barn unit
data derived with UnitSystems.jl
\[\text{L}^{2}\]
\[\left[\hbar^{2}\text{c}^{-2}\text{m}_\text{e}^{-2}\phi^{2}\text{g}_0^{2}\right]\]
| Quantity | Product | UnitSystem |
|---|---|---|
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | Metric |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | SI2019 |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | SI1976 |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | CODATA |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | Conventional |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | International |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | InternationalMean |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | MetricTurn |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | MetricSpatian |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | MetricGradian |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | MetricDegree |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | MetricArcminute |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | MetricArcsecond |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | Engineering |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | Gravitational |
| $1.0 \times 10^{-28}$ $\left[\text{m}^{2}\right]$ | $2^{-28}5^{-28}$ | MTS |
| $1.0 \times 10^{-24}$ $\left[\text{cm}^{2}\right]$ | $2^{-24}5^{-24}$ | EMU |
| $1.0 \times 10^{-24}$ $\left[\text{cm}^{2}\right]$ | $2^{-24}5^{-24}$ | ESU |
| $1.0 \times 10^{-24}$ $\left[\text{cm}^{2}\right]$ | $2^{-24}5^{-24}$ | Gauss |
| $1.0 \times 10^{-24}$ $\left[\text{cm}^{2}\right]$ | $2^{-24}5^{-24}$ | LorentzHeaviside |
| $1.076391041670972 \times 10^{-27}$ $\left[\text{ft}^{2}\right]$ | $\text{ft}^{-2}2^{-28}5^{-28}$ | FPS |
| $1.5500031000061997 \times 10^{-25}$ $\left[\text{in}^{2}\right]$ | $\text{ft}^{-2}2^{-24}3^{2}5^{-28}$ | IPS |
| $1.076391041670972 \times 10^{-27}$ $\left[\text{ft}^{2}\right]$ | $\text{ft}^{-2}2^{-28}5^{-28}$ | British |
| $1.076391041670972 \times 10^{-27}$ $\left[\text{ft}^{2}\right]$ | $\text{ft}^{-2}2^{-28}5^{-28}$ | English |
| $1.0763867361111114 \times 10^{-27}$ $\left[\text{ft}^{2}\right]$ | $\text{ft}_\text{US}^{-2}2^{-28}5^{-28}$ | Survey |
| $3.8610215854244574 \times 10^{-35}$ $\left[\text{mi}^{2}\right]$ | $\text{ft}^{-2}2^{-38}3^{-2}5^{-30}11^{-2}$ | MPH |
| $1.0 \times 10^{-34}$ $\left[\text{km}^{2}\right]$ | $2^{-34}5^{-34}$ | KKH |
| $2.9075732553(58) \times 10^{-35}$ $\left[\text{nm}^{2}\right]$ | $\text{g}_0\cdot \text{GM}_\text{E}^{-1}\tau^{-2}2^{-18}3^{6}5^{-24}$ | Nautical |
| $9.971101699(20) \times 10^{-29}$ $\left[\text{em}^{2}\right]$ | $\text{g}_0\cdot \text{GM}_\text{E}^{-1}\tau^{-2}2^{-10}5^{-14}$ | Meridian |
| $4.46837049952(18) \times 10^{-51}$ $\left[\text{au}^{2}\right]$ | $\text{au}^{-2}2^{-28}5^{-28}$ | IAU☉ |
| $6.767612775818946 \times 10^{-46}$ $\left[\text{LD}^{2}\right]$ | $2^{-34}3^{-6}5^{-34}/202692169$ | IAUE |
| $1.650084545088699 \times 10^{-52}$ $\left[\text{JD}^{2}\right]$ | $2^{-40}3^{-2}5^{-40}/67336617049$ | IAUJ |
| $5.350(66) \times 10^{-81}$ $\left[\text{T}^{2}\right]$ | $\text{c}^{-2}\text{H}_0^{2}\text{au}^{-2}\tau^{2}2^{-48}3^{-8}5^{-40}$ | Hubble |
| $4.399(65) \times 10^{-82}$ $\left[\text{T}^{2}\right]$ | $\text{c}^{-2}\Omega_{\Lambda}\cdot \text{H}_0^{2}\text{au}^{-2}\tau\cdot 2^{-50}3^{-7}5^{-40}$ | Cosmological |
| $1.2977(96) \times 10^{-20}$ $\left[\text{M}^{-2}\right]$ | $\hbar^{-1}\Omega_{\Lambda}^{1/2}\text{H}_0\cdot \text{au}^{-1}\text{m}_\text{P}\cdot \tau^{3/2}2^{-39}3^{-7/2}5^{-34}$ | CosmologicalQuantum |
| $3.046283(67) \times 10^{40}$ $\left[\text{M}^{-2}\right]$ | $\hbar^{-2}\text{c}^{2}\text{m}_\text{P}^{2}\tau\cdot 2^{-29}5^{-28}$ | Planck |
| $3.828072(84) \times 10^{41}$ $\left[\text{m}_\text{P}^{-2}\right]$ | $\hbar^{-2}\text{c}^{2}\text{m}_\text{P}^{2}\tau^{2}2^{-28}5^{-28}$ | PlanckGauss |
| $5.24584(12) \times 10^{43}$ $\left[\text{T}^{2}\right]$ | $\hbar^{-2}\text{c}^{2}\alpha^{-1}\text{m}_\text{P}^{2}\tau^{2}2^{-28}5^{-28}$ | Stoney |
| $3.5710648261(11) \times 10^{-8}$ $\left[\text{a}_0^{2}\right]$ | $\text{R}_{\infty}^{2}\alpha^{-2}\tau^{2}2^{-26}5^{-28}$ | Hartree |
| $3.5710648261(11) \times 10^{-8}$ $\left[\text{a}_0^2\right]$ | $\text{R}_{\infty}^{2}\alpha^{-2}\tau^{2}2^{-26}5^{-28}$ | Rydberg |
| $1.487565(33) \times 10^{35}$ $\left[\text{L}^{2}\right]$ | $\hbar^{-2}\text{c}^{2}\alpha^{3}\text{m}_\text{P}^{2}\tau^{2}2^{-28}5^{-28}$ | Schrodinger |
| $12.593209138(12)$ $\left[\text{T}^{2}\right]$ | $\text{R}_{\infty}^{2}\alpha^{-6}\tau^{2}2^{-26}5^{-28}$ | Electronic |
| $0.00067060544436(41)$ $\left[\mathbb{1}\right]$ | $\text{R}_{\infty}^{2}\alpha^{-4}\tau^{2}2^{-26}5^{-28}$ | Natural |
| $0.00067060544436(41)$ $\left[\mathbb{1}\right]$ | $\text{R}_{\infty}^{2}\alpha^{-4}\tau^{2}2^{-26}5^{-28}$ | NaturalGauss |
| $2260.91717830(14)$ $\left[\text{m}_\text{p}^{-2}\right]$ | $\text{R}_{\infty}^{2}\alpha^{-4}\mu_\text{eu}^{-2}\mu_\text{pu}^{2}\tau^{2}2^{-26}5^{-28}$ | QCD |
| $2260.91717830(14)$ $\left[\text{m}_\text{p}^{-2}\right]$ | $\text{R}_{\infty}^{2}\alpha^{-4}\mu_\text{eu}^{-2}\mu_\text{pu}^{2}\tau^{2}2^{-26}5^{-28}$ | QCDGauss |
| $2260.91717830(14)$ $\left[\text{m}_\text{p}^{-2}\right]$ | $\text{R}_{\infty}^{2}\alpha^{-4}\mu_\text{eu}^{-2}\mu_\text{pu}^{2}\tau^{2}2^{-26}5^{-28}$ | QCDoriginal |