proton mass unit
data derived with UnitSystems.jl
\[\text{M}\]
\[\left[\text{m}_\text{e}\right]\]
\[m_p = \mu_{pu} m_u = \mu_{pu}\frac{M_u}{N_A} = \mu_{pe}m_e = \mu_{pe}\frac{2R_\infty hg_0}{c\alpha^2} = m_P\mu_{pe}\sqrt{\alpha_G}\]
| Quantity | Product | UnitSystem |
|---|---|---|
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | Metric |
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | SI2019 |
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | SI1976 |
| $1.672621896(21) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{R}_\text{K}^{-1}\text{K}_\text{J}^{-2}2^{3}$ | CODATA |
| $1.67262159664(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot {\text{R}_\text{K}^{90}}^{-1}{\text{K}_\text{J}^{90}}^{-2}2^{3}$ | Conventional |
| $1.67234594111(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \Omega_\text{it}\cdot \text{V}_\text{it}^{-2}2$ | International |
| $1.67230414830(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2/1.0001900224889804$ | InternationalMean |
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | MetricTurn |
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | MetricSpatian |
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | MetricGradian |
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | MetricDegree |
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | MetricArcminute |
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | MetricArcsecond |
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | Engineering |
| $1.70559969377(53) \times 10^{-28}$ $\left[\text{hyl}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{g}_0^{-1}2$ | Gravitational |
| $1.67262192369(52) \times 10^{-30}$ $\left[\text{t}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2^{-2}5^{-3}$ | MTS |
| $1.67262192369(52) \times 10^{-24}$ $\left[\text{g}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2^{4}5^{3}$ | EMU |
| $1.67262192369(52) \times 10^{-24}$ $\left[\text{g}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2^{4}5^{3}$ | ESU |
| $1.67262192369(52) \times 10^{-24}$ $\left[\text{g}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2^{4}5^{3}$ | Gauss |
| $1.67262192369(52) \times 10^{-24}$ $\left[\text{g}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2^{4}5^{3}$ | LorentzHeaviside |
| $3.6875001308(12) \times 10^{-27}$ $\left[\text{lb}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{lb}^{-1}2$ | FPS |
| $9.5509173185(30) \times 10^{-30}$ $\left[\text{slinch}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{g}_0^{-1}\text{ft}\cdot \text{lb}^{-1}2^{-1}3^{-1}$ | IPS |
| $1.14611007822(36) \times 10^{-28}$ $\left[\text{slug}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{g}_0^{-1}\text{ft}\cdot \text{lb}^{-1}2$ | British |
| $3.6875001308(12) \times 10^{-27}$ $\left[\text{lbm}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{lb}^{-1}2$ | English |
| $3.6875001308(12) \times 10^{-27}$ $\left[\text{lbm}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{lb}^{-1}2$ | Survey |
| $3.6875001308(12) \times 10^{-27}$ $\left[\text{lb}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{lb}^{-1}2$ | MPH |
| $1.67262192369(52) \times 10^{-27}$ $\left[\text{kg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2$ | KKH |
| $1.6653767744(50) \times 10^{-27}$ $\left[\text{keg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{g}_0^{3/2}\text{GM}_\text{E}^{-3/2}\tau^{-3}2^{28}5^{21}$ | Nautical |
| $1.6653767744(50) \times 10^{-27}$ $\left[\text{keg}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{g}_0^{3/2}\text{GM}_\text{E}^{-3/2}\tau^{-3}2^{28}5^{21}$ | Meridian |
| $8.41186(19) \times 10^{-58}$ $\left[\text{M}_\odot\right]$ | $\hbar^{2}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{au}^{-3}\text{k}_\text{G}^{-2}\text{m}_\text{P}^{-2}\tau^{-3}2^{29}3^{14}5^{10}$ | IAU☉ |
| $2.800695(62) \times 10^{-52}$ $\left[\text{ME}\right]$ | $\hbar^{2}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{m}_\text{P}^{-2}\text{GM}_\text{E}^{-1}\tau^{-1}2$ | IAUE |
| $8.81197(19) \times 10^{-55}$ $\left[\text{MJ}\right]$ | $\hbar^{2}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{m}_\text{P}^{-2}\text{GM}_\text{J}^{-1}\tau^{-1}2$ | IAUJ |
| $1836.15267343(11)$ $\left[\mathbb{1}\right]$ | $\mu_\text{eu}^{-1}\mu_\text{pu}$ | Hubble |
| $6.548(49) \times 10^{-80}$ $\left[\text{M}\right]$ | $\hbar^{2}\text{c}^{-3}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \Omega_{\Lambda}^{1/2}\text{H}_0\cdot \text{au}^{-1}\text{m}_\text{P}^{-2}\tau^{1/2}2^{-8}3^{-7/2}5^{-6}$ | Cosmological |
| $4.174(15) \times 10^{11}$ $\left[\text{M}\right]$ | $\hbar^{1/2}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \Omega_{\Lambda}^{-1/4}\text{H}_0^{-1/2}\text{au}^{1/2}\text{m}_\text{P}^{-1/2}\tau^{1/4}2^{13/2}3^{7/4}5^{3}$ | CosmologicalQuantum |
| $2.724314(30) \times 10^{-19}$ $\left[\text{M}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{m}_\text{P}^{-1}\tau^{1/2}2^{3/2}$ | Planck |
| $7.685149(85) \times 10^{-20}$ $\left[\text{m}_\text{P}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{m}_\text{P}^{-1}2$ | PlanckGauss |
| $8.996418(99) \times 10^{-19}$ $\left[\text{M}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-5/2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{m}_\text{P}^{-1}2$ | Stoney |
| $1836.15267343(11)$ $\left[\mathbb{1}\right]$ | $\mu_\text{eu}^{-1}\mu_\text{pu}$ | Hartree |
| $918.076336716(55)$ $\left[\text{M}\right]$ | $\mu_\text{eu}^{-1}\mu_\text{pu}\cdot 2^{-1}$ | Rydberg |
| $8.996418(99) \times 10^{-19}$ $\left[\text{M}\right]$ | $\hbar\cdot \text{c}^{-1}\text{R}_{\infty}\cdot \alpha^{-5/2}\mu_\text{eu}^{-1}\mu_\text{pu}\cdot \text{m}_\text{P}^{-1}2$ | Schrodinger |
| $1836.15267343(11)$ $\left[\mathbb{1}\right]$ | $\mu_\text{eu}^{-1}\mu_\text{pu}$ | Electronic |
| $1836.15267343(11)$ $\left[\mathbb{1}\right]$ | $\mu_\text{eu}^{-1}\mu_\text{pu}$ | Natural |
| $1836.15267343(11)$ $\left[\mathbb{1}\right]$ | $\mu_\text{eu}^{-1}\mu_\text{pu}$ | NaturalGauss |
| $1.0$ $\left[\text{m}_\text{p}\right]$ | $1$ | QCD |
| $1.0$ $\left[\text{m}_\text{p}\right]$ | $1$ | QCDGauss |
| $1.0$ $\left[\text{m}_\text{p}\right]$ | $1$ | QCDoriginal |