British -> English
data derived with UnitSystems.jl
Kinematic Ratios
| Name | Quantity | Product |
|---|---|---|
| angle | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| solid angle | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| time | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| angular time | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| length | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| angular length | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| area | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| angular area | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| volume | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| wavenumber | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| angular wavenumber | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| fuel efficiency | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| number density | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| frequency | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| angular frequency | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| frequency drift | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| stagnance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| speed | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| acceleration | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| jerk | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| snap | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| crackle | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| pop | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| volume flow | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| etendue | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| photon intensity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| photon irradiance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| photon radiance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
Mechanical Ratios
| Name | Quantity | Product |
|---|---|---|
| inertia | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| mass | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| mass flow | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| linear density | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| area density | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| density | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| specific weight | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| specific volume | $0.031080950171567256$ $\left[\text{lbm}^{-1}\right]/\left[\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| force | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| specific force | $0.031080950171567256$ $\left[\text{lbm}^{-1}\right]/\left[\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| gravity force | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| pressure | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| compressibility | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| viscosity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| diffusivity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| rotational inertia | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| impulse | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| momentum | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| angular momentum | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| yank | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| energy | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| specific energy | $0.031080950171567256$ $\left[\text{lbm}^{-1}\right]/\left[\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| action | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| fluence | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| power | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| power density | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| irradiance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| radiance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| radiant intensity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| spectral flux | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| spectral exposure | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| sound exposure | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| impedance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| specific impedance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| admittance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| compliance | $0.031080950171567256$ $\left[\text{lbm}^{-1}\right]/\left[\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| inertance | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
Electromagnetic Ratios
| Name | Quantity | Product |
|---|---|---|
| charge | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| charge density | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| linear charge density | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| exposure | $0.031080950171567256$ $\left[\text{lbm}^{-1}\right]/\left[\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| mobility | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| current | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| current density | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| resistance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| conductance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| resistivity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| conductivity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| capacitance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| inductance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| reluctance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| permeance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| permittivity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| permeability | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| susceptibility | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| specific susceptibility | $0.031080950171567256$ $\left[\text{lbm}^{-1}\right]/\left[\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| demagnetizing factor | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| vector potential | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| electric potential | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| magnetic potential | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| electric field | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| magnetic field | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| electric flux | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| magnetic flux | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| electric displacement | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| magnetic flux density | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| electric dipole moment | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| magnetic dipole moment | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| electric polarizability | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| magnetic polarizability | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| magnetic moment | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| specific magnetization | $32.17404855643044$ $\left[\text{lbm}\right]/\left[\text{slug}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| pole strength | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
Thermodynamic Ratios
| Name | Quantity | Product |
|---|---|---|
| temperature | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| entropy | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| specific entropy | $0.031080950171567256$ $\left[\text{lbm}^{-1}\right]/\left[\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| volume heat capacity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| thermal conductivity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| thermal conductance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| thermal resistivity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| thermal resistance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| thermal expansion | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| lapse rate | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
Molar Ratios
| Name | Quantity | Product |
|---|---|---|
| molar mass | $1.0$ $\left[\text{lbm}\cdot \text{lb-mol}^{-1}\right]/\left[\text{slug} \cdot \text{slug-mol}^{-1}\right]$ | $1$ |
| molality | $1.0$ $\left[\text{lbm}^{-1}\text{lb-mol}\right]/\left[\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\text{slug-mol}\right]$ | $1$ |
| molar amount | $32.17404855643044$ $\left[\text{lb-mol}\right]/\left[\text{slug-mol}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| molarity | $32.17404855643044$ $\left[\text{lb-mol}\right]/\left[\text{slug-mol}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| molar volume | $0.031080950171567256$ $\left[\text{lb-mol}^{-1}\right]/\left[\text{slug-mol}^{-1}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| molar entropy | $0.031080950171567256$ $\left[\text{lb-mol}^{-1}\right]/\left[\text{slug-mol}^{-1}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| molar energy | $0.031080950171567256$ $\left[\text{lb-mol}^{-1}\right]/\left[\text{slug-mol}^{-1}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| molar conductivity | $0.031080950171567256$ $\left[\text{lb-mol}^{-1}\right]/\left[\text{slug-mol}^{-1}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| molar susceptibility | $0.031080950171567256$ $\left[\text{lb-mol}^{-1}\right]/\left[\text{slug-mol}^{-1}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| catalysis | $32.17404855643044$ $\left[\text{lb-mol}\right]/\left[\text{slug-mol}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
| specificity | $0.031080950171567256$ $\left[\text{lb-mol}^{-1}\right]/\left[\text{slug-mol}^{-1}\right]$ | $\text{g}_0^{-1}\text{ft}$ |
| diffusion flux | $32.17404855643044$ $\left[\text{lb-mol}\right]/\left[\text{slug-mol}\right]$ | $\text{g}_0\cdot \text{ft}^{-1}$ |
Photometric Ratios
| Name | Quantity | Product |
|---|---|---|
| luminous flux | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| luminous intensity | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| luminance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| illuminance | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| luminous energy | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| luminous exposure | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
| luminous efficacy | $1.0$ $\left[\mathbb{1}\right]/\left[\mathbb{1}\right]$ | $1$ |
Kinematic
| Unified | British | English | |
|---|---|---|---|
| angle | $\text{A}$ | $\mathbb{1}$ | $\text{rad}$ |
| solid angle | $\text{A}^{2}$ | $\mathbb{1}$ | $\text{rad}^{2}$ |
| time | $\text{T}$ | $\text{s}$ | $\text{s}$ |
| angular time | $\text{T}\cdot \text{A}^{-1}$ | $\text{s}$ | $\text{s}\cdot \text{rad}^{-1}$ |
| length | $\text{L}$ | $\text{ft}$ | $\text{ft}$ |
| angular length | $\text{L}\cdot \text{A}^{-1}$ | $\text{ft}$ | $\text{ft}\cdot \text{rad}^{-1}$ |
| area | $\text{L}^{2}$ | $\text{ft}^{2}$ | $\text{ft}^{2}$ |
| angular area | $\text{L}^{2}\text{A}^{-2}$ | $\text{ft}^{2}$ | $\text{ft}^{2}\text{rad}^{-2}$ |
| volume | $\text{L}^{3}$ | $\text{ft}^{3}$ | $\text{ft}^{3}$ |
| wavenumber | $\text{L}^{-1}$ | $\text{ft}^{-1}$ | $\text{ft}^{-1}$ |
| angular wavenumber | $\text{L}^{-1}\text{A}$ | $\text{ft}^{-1}$ | $\text{ft}^{-1}\text{rad}$ |
| fuel efficiency | $\text{L}^{-2}$ | $\text{ft}^{-2}$ | $\text{ft}^{-2}$ |
| number density | $\text{L}^{-3}$ | $\text{ft}^{-3}$ | $\text{ft}^{-3}$ |
| frequency | $\text{T}^{-1}$ | $\text{Hz}$ | $\text{Hz}$ |
| angular frequency | $\text{T}^{-1}\text{A}$ | $\text{Hz}$ | $\text{s}^{-1}\text{rad}$ |
| frequency drift | $\text{T}^{-2}$ | $\text{Hz} \cdot \text{s}^{-1}$ | $\text{Hz} \cdot \text{s}^{-1}$ |
| stagnance | $\text{L}^{-1}\text{T}$ | $\text{ft}^{-1}\text{s}$ | $\text{ft}^{-1}\text{s}$ |
| speed | $\text{L}\cdot \text{T}^{-1}$ | $\text{ft}\cdot \text{s}^{-1}$ | $\text{ft}\cdot \text{s}^{-1}$ |
| acceleration | $\text{L}\cdot \text{T}^{-2}$ | $\text{ft}\cdot \text{s}^{-2}$ | $\text{ft}\cdot \text{s}^{-2}$ |
| jerk | $\text{L}\cdot \text{T}^{-3}$ | $\text{ft}\cdot \text{s}^{-3}$ | $\text{ft}\cdot \text{s}^{-3}$ |
| snap | $\text{L}\cdot \text{T}^{-4}$ | $\text{ft}\cdot \text{s}^{-4}$ | $\text{ft}\cdot \text{s}^{-4}$ |
| crackle | $\text{L}\cdot \text{T}^{-5}$ | $\text{ft}\cdot \text{s}^{-5}$ | $\text{ft}\cdot \text{s}^{-5}$ |
| pop | $\text{L}\cdot \text{T}^{-6}$ | $\text{ft}\cdot \text{s}^{-6}$ | $\text{ft}\cdot \text{s}^{-6}$ |
| volume flow | $\text{L}^{3}\text{T}^{-1}$ | $\text{ft}^{3}\text{s}^{-1}$ | $\text{ft}^{3}\text{s}^{-1}$ |
| etendue | $\text{L}^{2}\text{A}^{2}$ | $\text{ft}^{2}$ | $\text{ft}^{2}\text{rad}^{2}$ |
| photon intensity | $\text{T}^{-1}\text{A}^{-2}$ | $\text{Hz}$ | $\text{s}^{-1}\text{rad}^{-2}$ |
| photon irradiance | $\text{L}^{-2}\text{T}$ | $\text{ft}^{-2}\text{s}$ | $\text{ft}^{-2}\text{s}$ |
| photon radiance | $\text{L}^{-2}\text{T}\cdot \text{A}^{-2}$ | $\text{ft}^{-2}\text{s}$ | $\text{ft}^{-2}\text{s}\cdot \text{rad}^{-2}$ |
Mechanical
| Unified | British | English | |
|---|---|---|---|
| inertia | $\text{F}\cdot \text{L}^{-1}\text{T}^{2}$ | $\text{slug}$ | $\text{lbf}\cdot \text{ft}^{-1}\text{s}^{2}$ |
| mass | $\text{M}$ | $\text{slug}$ | $\text{lbm}$ |
| mass flow | $\text{M}\cdot \text{T}^{-1}$ | $\text{lb}\cdot \text{ft}^{-1}\text{s}$ | $\text{lbm}\cdot \text{s}^{-1}$ |
| linear density | $\text{M}\cdot \text{L}^{-1}$ | $\text{lb}\cdot \text{ft}^{-2}\text{s}^{2}$ | $\text{lbm}\cdot \text{ft}^{-1}$ |
| area density | $\text{M}\cdot \text{L}^{-2}$ | $\text{lb}\cdot \text{ft}^{-3}\text{s}^{2}$ | $\text{lbm}\cdot \text{ft}^{-2}$ |
| density | $\text{M}\cdot \text{L}^{-3}$ | $\text{slug} \cdot \text{ft}^{-3}$ | $\text{lbm}\cdot \text{ft}^{-3}$ |
| specific weight | $\text{F}\cdot \text{L}^{-3}$ | $\text{lb}\cdot \text{ft}^{-3}$ | $\text{lbf}\cdot \text{ft}^{-3}$ |
| specific volume | $\text{M}^{-1}\text{L}^{3}$ | $\text{lb}^{-1}\text{ft}^{4}\text{s}^{-2}$ | $\text{lbm}^{-1}\text{ft}^{3}$ |
| force | $\text{F}$ | $\text{lb}$ | $\text{lbf}$ |
| specific force | $\text{F}\cdot \text{M}^{-1}$ | $\text{ft}\cdot \text{s}^{-2}$ | $\text{g}_0$ |
| gravity force | $\text{F}^{-1}\text{M}\cdot \text{L}\cdot \text{T}^{-2}$ | $\mathbb{1}$ | $\text{lbf}^{-1}\text{lbm}\cdot \text{ft}\cdot \text{s}^{-2}$ |
| pressure | $\text{F}\cdot \text{L}^{-2}$ | $\text{lb}\cdot \text{ft}^{-2}$ | $\text{lbf}\cdot \text{ft}^{-2}$ |
| compressibility | $\text{F}^{-1}\text{L}^{2}$ | $\text{lb}^{-1}\text{ft}^{2}$ | $\text{lbf}^{-1}\text{ft}^{2}$ |
| viscosity | $\text{F}\cdot \text{L}^{-2}\text{T}$ | $\text{lb}\cdot \text{ft}^{-2}\text{s}$ | $\text{lbf}\cdot \text{ft}^{-2}\text{s}$ |
| diffusivity | $\text{L}^{2}\text{T}^{-1}$ | $\text{ft}^{2}\text{s}^{-1}$ | $\text{ft}^{2}\text{s}^{-1}$ |
| rotational inertia | $\text{M}\cdot \text{L}^{2}$ | $\text{lb}\cdot \text{ft}\cdot \text{s}^{2}$ | $\text{lbm}\cdot \text{ft}^{2}$ |
| impulse | $\text{F}\cdot \text{T}$ | $\text{lb}\cdot \text{s}$ | $\text{lbf}\cdot \text{s}$ |
| momentum | $\text{M}\cdot \text{L}\cdot \text{T}^{-1}$ | $\text{lb}\cdot \text{s}$ | $\text{lbm}\cdot \text{ft}\cdot \text{s}^{-1}$ |
| angular momentum | $\text{F}\cdot \text{L}\cdot \text{T}\cdot \text{A}^{-1}$ | $\text{lb}\cdot \text{ft}\cdot \text{s}$ | $\text{lbf}\cdot \text{ft}\cdot \text{s}\cdot \text{rad}^{-1}$ |
| yank | $\text{M}\cdot \text{L}\cdot \text{T}^{-3}$ | $\text{lb}\cdot \text{s}^{-1}$ | $\text{lbm}\cdot \text{ft}\cdot \text{s}^{-3}$ |
| energy | $\text{F}\cdot \text{L}$ | $\text{lb}\cdot \text{ft}$ | $\text{lbf}\cdot \text{ft}$ |
| specific energy | $\text{F}\cdot \text{M}^{-1}\text{L}$ | $\text{ft}^{2}\text{s}^{-2}$ | $\text{lbf}\cdot \text{lbm}^{-1}\text{ft}$ |
| action | $\text{F}\cdot \text{L}\cdot \text{T}$ | $\text{lb}\cdot \text{ft}\cdot \text{s}$ | $\text{lbf}\cdot \text{ft}\cdot \text{s}$ |
| fluence | $\text{F}\cdot \text{L}^{-1}$ | $\text{lb}\cdot \text{ft}^{-1}$ | $\text{lbf}\cdot \text{ft}^{-1}$ |
| power | $\text{F}\cdot \text{L}\cdot \text{T}^{-1}$ | $\text{lb}\cdot \text{ft}\cdot \text{s}^{-1}$ | $\text{lbf}\cdot \text{ft}\cdot \text{s}^{-1}$ |
| power density | $\text{F}\cdot \text{L}^{-2}\text{T}^{-1}$ | $\text{lb}\cdot \text{ft}^{-2}\text{s}^{-1}$ | $\text{lbf}\cdot \text{ft}^{-2}\text{s}^{-1}$ |
| irradiance | $\text{F}\cdot \text{L}^{-1}\text{T}^{-1}$ | $\text{lb}\cdot \text{ft}^{-1}\text{s}^{-1}$ | $\text{lbf}\cdot \text{ft}^{-1}\text{s}^{-1}$ |
| radiance | $\text{F}\cdot \text{L}^{-1}\text{T}^{-1}\text{A}^{-2}$ | $\text{lb}\cdot \text{ft}^{-1}\text{s}^{-1}$ | $\text{lbf}\cdot \text{ft}^{-1}\text{s}^{-1}\text{rad}^{-2}$ |
| radiant intensity | $\text{F}\cdot \text{L}\cdot \text{T}^{-1}\text{A}^{-2}$ | $\text{lb}\cdot \text{ft}\cdot \text{s}^{-1}$ | $\text{lbf}\cdot \text{ft}\cdot \text{s}^{-1}\text{rad}^{-2}$ |
| spectral flux | $\text{F}\cdot \text{T}^{-1}$ | $\text{lb}\cdot \text{s}^{-1}$ | $\text{lbf}\cdot \text{s}^{-1}$ |
| spectral exposure | $\text{F}\cdot \text{L}^{-1}\text{T}$ | $\text{lb}\cdot \text{ft}^{-1}\text{s}$ | $\text{lbf}\cdot \text{ft}^{-1}\text{s}$ |
| sound exposure | $\text{F}^{2}\text{L}^{-4}\text{T}$ | $\text{lb}^{2}\text{ft}^{-4}\text{s}$ | $\text{lbf}^{2}\text{ft}^{-4}\text{s}$ |
| impedance | $\text{F}\cdot \text{L}^{-5}\text{T}$ | $\text{lb}\cdot \text{ft}^{-5}\text{s}$ | $\text{lbf}\cdot \text{ft}^{-5}\text{s}$ |
| specific impedance | $\text{F}\cdot \text{L}^{-3}\text{T}$ | $\text{lb}\cdot \text{ft}^{-3}\text{s}$ | $\text{lbf}\cdot \text{ft}^{-3}\text{s}$ |
| admittance | $\text{F}^{-1}\text{L}^{5}\text{T}^{-1}$ | $\text{lb}^{-1}\text{ft}^{5}\text{s}^{-1}$ | $\text{lbf}^{-1}\text{ft}^{5}\text{s}^{-1}$ |
| compliance | $\text{M}^{-1}\text{T}^{2}$ | $\text{lb}^{-1}\text{ft}$ | $\text{lbm}^{-1}\text{s}^{2}$ |
| inertance | $\text{M}\cdot \text{L}^{-4}$ | $\text{lb}\cdot \text{ft}^{-5}\text{s}^{2}$ | $\text{lbm}\cdot \text{ft}^{-4}$ |
Electromagnetic
| Unified | British | English | |
|---|---|---|---|
| charge | $\text{Q}$ | $\text{C}$ | $\text{C}$ |
| charge density | $\text{L}^{-3}\text{Q}$ | $\text{ft}^{-3}\text{C}$ | $\text{ft}^{-3}\text{C}$ |
| linear charge density | $\text{L}^{-1}\text{Q}$ | $\text{ft}^{-1}\text{C}$ | $\text{ft}^{-1}\text{C}$ |
| exposure | $\text{M}^{-1}\text{Q}$ | $\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\text{C}$ | $\text{lbm}^{-1}\text{C}$ |
| mobility | $\text{F}\cdot \text{L}^{3}\text{T}^{-1}\text{Q}^{-1}$ | $\text{lb}\cdot \text{ft}^{3}\text{s}^{-1}\text{C}^{-1}$ | $\text{lbf}\cdot \text{ft}^{3}\text{s}^{-1}\text{C}^{-1}$ |
| current | $\text{T}^{-1}\text{Q}$ | $\text{s}^{-1}\text{C}$ | $\text{s}^{-1}\text{C}$ |
| current density | $\text{L}^{-2}\text{T}^{-1}\text{Q}$ | $\text{ft}^{-2}\text{s}^{-1}\text{C}$ | $\text{ft}^{-2}\text{s}^{-1}\text{C}$ |
| resistance | $\text{F}\cdot \text{L}\cdot \text{T}\cdot \text{Q}^{-2}$ | $\text{lb}\cdot \text{ft}\cdot \text{s}\cdot \text{C}^{-2}$ | $\text{lbf}\cdot \text{ft}\cdot \text{s}\cdot \text{C}^{-2}$ |
| conductance | $\text{F}^{-1}\text{L}^{-1}\text{T}^{-1}\text{Q}^{2}$ | $\text{lb}^{-1}\text{ft}^{-1}\text{s}^{-1}\text{C}^{2}$ | $\text{lbf}^{-1}\text{ft}^{-1}\text{s}^{-1}\text{C}^{2}$ |
| resistivity | $\text{F}\cdot \text{L}^{2}\text{T}\cdot \text{Q}^{-2}$ | $\text{lb}\cdot \text{ft}^{2}\text{s}\cdot \text{C}^{-2}$ | $\text{lbf}\cdot \text{ft}^{2}\text{s}\cdot \text{C}^{-2}$ |
| conductivity | $\text{F}^{-1}\text{L}^{-2}\text{T}^{-1}\text{Q}^{2}$ | $\text{lb}^{-1}\text{ft}^{-2}\text{s}^{-1}\text{C}^{2}$ | $\text{lbf}^{-1}\text{ft}^{-2}\text{s}^{-1}\text{C}^{2}$ |
| capacitance | $\text{F}^{-1}\text{L}^{-1}\text{Q}^{2}$ | $\text{lb}^{-1}\text{ft}^{-1}\text{C}^{2}$ | $\text{lbf}^{-1}\text{ft}^{-1}\text{C}^{2}$ |
| inductance | $\text{F}\cdot \text{L}\cdot \text{T}^{2}\text{Q}^{-2}$ | $\text{lb}\cdot \text{ft}\cdot \text{s}^{2}\text{C}^{-2}$ | $\text{lbf}\cdot \text{ft}\cdot \text{s}^{2}\text{C}^{-2}$ |
| reluctance | $\text{F}^{-1}\text{L}^{-1}\text{T}^{-2}\text{Q}^{2}\text{R}\cdot \text{C}^{-2}$ | $\text{lb}^{-1}\text{ft}^{-1}\text{s}^{-2}\text{C}^{2}$ | $\text{lbf}^{-1}\text{ft}^{-1}\text{s}^{-2}\text{C}^{2}$ |
| permeance | $\text{F}\cdot \text{L}\cdot \text{T}^{2}\text{Q}^{-2}\text{R}^{-1}\text{C}^{2}$ | $\text{lb}\cdot \text{ft}\cdot \text{s}^{2}\text{C}^{-2}$ | $\text{lbf}\cdot \text{ft}\cdot \text{s}^{2}\text{C}^{-2}$ |
| permittivity | $\text{F}^{-1}\text{L}^{-2}\text{Q}^{2}\text{R}$ | $\text{lb}^{-1}\text{ft}^{-2}\text{C}^{2}$ | $\text{lbf}^{-1}\text{ft}^{-2}\text{C}^{2}$ |
| permeability | $\text{F}\cdot \text{T}^{2}\text{Q}^{-2}\text{R}^{-1}\text{C}^{2}$ | $\text{lb}\cdot \text{s}^{2}\text{C}^{-2}$ | $\text{lbf}\cdot \text{s}^{2}\text{C}^{-2}$ |
| susceptibility | $\text{R}^{-1}$ | $\mathbb{1}$ | $\mathbb{1}$ |
| specific susceptibility | $\text{M}^{-1}\text{L}^{3}\text{A}^{-1}\text{R}^{-1}$ | $\text{lb}^{-1}\text{ft}^{4}\text{s}^{-2}$ | $\text{lbm}^{-1}\text{ft}^{3}\text{rad}^{-1}$ |
| demagnetizing factor | $\text{R}$ | $\mathbb{1}$ | $\mathbb{1}$ |
| vector potential | $\text{F}\cdot \text{T}\cdot \text{Q}^{-1}\text{C}$ | $\text{lb}\cdot \text{s}\cdot \text{C}^{-1}$ | $\text{lbf}\cdot \text{s}\cdot \text{C}^{-1}$ |
| electric potential | $\text{F}\cdot \text{L}\cdot \text{Q}^{-1}$ | $\text{lb}\cdot \text{ft}\cdot \text{C}^{-1}$ | $\text{lbf}\cdot \text{ft}\cdot \text{C}^{-1}$ |
| magnetic potential | $\text{T}^{-1}\text{Q}\cdot \text{R}\cdot \text{C}^{-1}$ | $\text{s}^{-1}\text{C}$ | $\text{s}^{-1}\text{C}$ |
| electric field | $\text{F}\cdot \text{Q}^{-1}$ | $\text{lb}\cdot \text{C}^{-1}$ | $\text{lbf}\cdot \text{C}^{-1}$ |
| magnetic field | $\text{L}^{-1}\text{T}^{-1}\text{Q}\cdot \text{R}\cdot \text{C}^{-1}$ | $\text{ft}^{-1}\text{s}^{-1}\text{C}$ | $\text{ft}^{-1}\text{s}^{-1}\text{C}$ |
| electric flux | $\text{F}\cdot \text{L}^{2}\text{Q}^{-1}$ | $\text{lb}\cdot \text{ft}^{2}\text{C}^{-1}$ | $\text{lbf}\cdot \text{ft}^{2}\text{C}^{-1}$ |
| magnetic flux | $\text{F}\cdot \text{L}\cdot \text{T}\cdot \text{Q}^{-1}\text{C}$ | $\text{lb}\cdot \text{ft}\cdot \text{s}\cdot \text{C}^{-1}$ | $\text{lbf}\cdot \text{ft}\cdot \text{s}\cdot \text{C}^{-1}$ |
| electric displacement | $\text{L}^{-2}\text{Q}\cdot \text{R}$ | $\text{ft}^{-2}\text{C}$ | $\text{ft}^{-2}\text{C}$ |
| magnetic flux density | $\text{F}\cdot \text{L}^{-1}\text{T}\cdot \text{Q}^{-1}\text{C}$ | $\text{lb}\cdot \text{ft}^{-1}\text{s}\cdot \text{C}^{-1}$ | $\text{lbf}\cdot \text{ft}^{-1}\text{s}\cdot \text{C}^{-1}$ |
| electric dipole moment | $\text{L}\cdot \text{Q}$ | $\text{ft}\cdot \text{C}$ | $\text{ft}\cdot \text{C}$ |
| magnetic dipole moment | $\text{L}^{2}\text{T}^{-1}\text{Q}\cdot \text{A}^{-1}\text{C}^{-1}$ | $\text{ft}^{2}\text{s}^{-1}\text{C}$ | $\text{ft}^{2}\text{s}^{-1}\text{C}\cdot \text{rad}^{-1}$ |
| electric polarizability | $\text{F}^{-1}\text{L}\cdot \text{Q}^{2}$ | $\text{lb}^{-1}\text{ft}\cdot \text{C}^{2}$ | $\text{lbf}^{-1}\text{ft}\cdot \text{C}^{2}$ |
| magnetic polarizability | $\text{L}^{3}\text{A}^{-1}\text{R}^{-1}$ | $\text{ft}^{3}$ | $\text{ft}^{3}\text{rad}^{-1}$ |
| magnetic moment | $\text{F}\cdot \text{L}^{2}\text{T}\cdot \text{Q}^{-1}\text{C}$ | $\text{lb}\cdot \text{ft}^{2}\text{s}\cdot \text{C}^{-1}$ | $\text{lbf}\cdot \text{ft}^{2}\text{s}\cdot \text{C}^{-1}$ |
| specific magnetization | $\text{F}^{-1}\text{M}\cdot \text{L}^{-2}\text{T}^{-1}\text{Q}\cdot \text{C}^{-1}$ | $\text{ft}^{-3}\text{s}\cdot \text{C}$ | $\text{lbf}^{-1}\text{lbm}\cdot \text{ft}^{-2}\text{s}^{-1}\text{C}$ |
| pole strength | $\text{L}\cdot \text{T}^{-1}\text{Q}\cdot \text{A}^{-1}\text{C}^{-1}$ | $\text{ft}\cdot \text{s}^{-1}\text{C}$ | $\text{ft}\cdot \text{s}^{-1}\text{C}\cdot \text{rad}^{-1}$ |
Thermodynamic
| Unified | British | English | |
|---|---|---|---|
| temperature | $\Theta$ | ${^\circ}\text{R}$ | ${^\circ}\text{R}$ |
| entropy | $\text{F}\cdot \text{L}\cdot \Theta^{-1}$ | $\text{lb}\cdot \text{ft}\cdot {^\circ}\text{R}^{-1}$ | $\text{lbf}\cdot \text{ft}\cdot {^\circ}\text{R}^{-1}$ |
| specific entropy | $\text{F}\cdot \text{M}^{-1}\text{L}\cdot \Theta^{-1}$ | $\text{ft}^{2}\text{s}^{-2}{^\circ}\text{R}^{-1}$ | $\text{lbf}\cdot \text{lbm}^{-1}\text{ft}\cdot {^\circ}\text{R}^{-1}$ |
| volume heat capacity | $\text{F}\cdot \text{L}^{-2}\Theta^{-1}$ | $\text{lb}\cdot \text{ft}^{-2}{^\circ}\text{R}^{-1}$ | $\text{lbf}\cdot \text{ft}^{-2}{^\circ}\text{R}^{-1}$ |
| thermal conductivity | $\text{F}\cdot \text{T}^{-1}\Theta^{-1}$ | $\text{lb}\cdot \text{s}^{-1}{^\circ}\text{R}^{-1}$ | $\text{lbf}\cdot \text{s}^{-1}{^\circ}\text{R}^{-1}$ |
| thermal conductance | $\text{F}\cdot \text{L}\cdot \text{T}^{-1}\Theta^{-1}$ | $\text{lb}\cdot \text{ft}\cdot \text{s}^{-1}{^\circ}\text{R}^{-1}$ | $\text{lbf}\cdot \text{ft}\cdot \text{s}^{-1}{^\circ}\text{R}^{-1}$ |
| thermal resistivity | $\text{F}^{-1}\text{T}\cdot \Theta$ | $\text{lb}^{-1}\text{s}\cdot {^\circ}\text{R}$ | $\text{lbf}^{-1}\text{s}\cdot {^\circ}\text{R}$ |
| thermal resistance | $\text{F}^{-1}\text{L}^{-1}\text{T}\cdot \Theta$ | $\text{lb}^{-1}\text{ft}^{-1}\text{s}\cdot {^\circ}\text{R}$ | $\text{lbf}^{-1}\text{ft}^{-1}\text{s}\cdot {^\circ}\text{R}$ |
| thermal expansion | $\Theta^{-1}$ | ${^\circ}\text{R}^{-1}$ | ${^\circ}\text{R}^{-1}$ |
| lapse rate | $\text{L}^{-1}\Theta$ | $\text{ft}^{-1}{^\circ}\text{R}$ | $\text{ft}^{-1}{^\circ}\text{R}$ |
Molar
| Unified | British | English | |
|---|---|---|---|
| molar mass | $\text{M}\cdot \text{N}^{-1}$ | $\text{slug} \cdot \text{slug-mol}^{-1}$ | $\text{lbm}\cdot \text{lb-mol}^{-1}$ |
| molality | $\text{M}^{-1}\text{N}$ | $\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\text{slug-mol}$ | $\text{lbm}^{-1}\text{lb-mol}$ |
| molar amount | $\text{N}$ | $\text{slug-mol}$ | $\text{lb-mol}$ |
| molarity | $\text{L}^{-3}\text{N}$ | $\text{ft}^{-3}\text{slug-mol}$ | $\text{ft}^{-3}\text{lb-mol}$ |
| molar volume | $\text{L}^{3}\text{N}^{-1}$ | $\text{ft}^{3}\text{slug-mol}^{-1}$ | $\text{ft}^{3}\text{lb-mol}^{-1}$ |
| molar entropy | $\text{F}\cdot \text{L}\cdot \Theta^{-1}\text{N}^{-1}$ | $\text{lb}\cdot \text{ft}\cdot {^\circ}\text{R}^{-1}\text{slug-mol}^{-1}$ | $\text{lbf}\cdot \text{ft}\cdot {^\circ}\text{R}^{-1}\text{lb-mol}^{-1}$ |
| molar energy | $\text{F}\cdot \text{L}\cdot \text{N}^{-1}$ | $\text{lb}\cdot \text{ft}\cdot \text{slug-mol}^{-1}$ | $\text{lbf}\cdot \text{ft}\cdot \text{lb-mol}^{-1}$ |
| molar conductivity | $\text{F}^{-1}\text{T}^{-1}\text{Q}^{2}\text{N}^{-1}$ | $\text{lb}^{-1}\text{s}^{-1}\text{C}^{2}\text{slug-mol}^{-1}$ | $\text{lbf}^{-1}\text{s}^{-1}\text{C}^{2}\text{lb-mol}^{-1}$ |
| molar susceptibility | $\text{L}^{3}\text{N}^{-1}\text{A}^{-1}\text{R}^{-1}$ | $\text{ft}^{3}\text{slug-mol}^{-1}$ | $\text{ft}^{3}\text{lb-mol}^{-1}\text{rad}^{-1}$ |
| catalysis | $\text{T}^{-1}\text{N}$ | $\text{s}^{-1}\text{slug-mol}$ | $\text{s}^{-1}\text{lb-mol}$ |
| specificity | $\text{L}^{3}\text{T}^{-1}\text{N}^{-1}$ | $\text{ft}^{3}\text{s}^{-1}\text{slug-mol}^{-1}$ | $\text{ft}^{3}\text{s}^{-1}\text{lb-mol}^{-1}$ |
| diffusion flux | $\text{L}^{-2}\text{T}\cdot \text{N}$ | $\text{ft}^{-2}\text{s}\cdot \text{slug-mol}$ | $\text{ft}^{-2}\text{s}\cdot \text{lb-mol}$ |
Photometric
| Unified | British | English | |
|---|---|---|---|
| luminous flux | $\text{J}$ | $\text{cd}$ | $\text{lm}$ |
| luminous intensity | $\text{J}\cdot \text{A}^{-2}$ | $\text{cd}$ | $\text{cd}$ |
| luminance | $\text{L}^{-2}\text{J}\cdot \text{A}^{-2}$ | $\text{fc}$ | $\text{ft}^{-2}\text{lm}\cdot \text{rad}^{-2}$ |
| illuminance | $\text{L}^{-2}\text{J}$ | $\text{fc}$ | $\text{fc}$ |
| luminous energy | $\text{T}\cdot \text{J}$ | $\text{s}\cdot \text{lm}$ | $\text{s}\cdot \text{lm}$ |
| luminous exposure | $\text{L}^{-2}\text{T}\cdot \text{J}$ | $\text{ft}^{-2}\text{s}\cdot \text{lm}$ | $\text{ft}^{-2}\text{s}\cdot \text{lm}$ |
| luminous efficacy | $\text{F}^{-1}\text{L}^{-1}\text{T}\cdot \text{J}$ | $\text{lb}^{-1}\text{ft}^{-1}\text{s}\cdot \text{lm}$ | $\text{lbf}^{-1}\text{ft}^{-1}\text{s}\cdot \text{lm}$ |