amu                  

Atomic mass unit

kg

1.6605402e-027

c

Speed of light

m/s

299792458

e

Base of natural logarithms

2.71828182845905

ec

Elementary charge (electron)

s-amp

1.60217733e-019

Eps0

Permittivity of vacuum

s4-amp2/kg-m3

8.85418781762039e-12

ev

Electron-volt

kg-m2/s2

1.60217733e-019

G

Gravitational constant

m3/kg-s2

6.67259e-011

gee

Acceleration of gravity

m/s2

9.80665

h

Planck’s constant

kg-m2/s

6.6260755e-34

HgDens

Density of mercury

kg/m3

13595.08

k

Boltzmann constant

kg-m2/s2-K

1.380658e-23

me

Electron mass

kg

9.1093897e-31

mn

Neutron mass

kg

1.6749286e-27

mp

Proton mass

kg

1.6726231e-27

Mu0

Permeability of vacuum

kg-m/s2-amp2

1.25663706143592e-06

N

Avogadro’s constant

1/mol

6.0221367e+23

pi

Pi

3.14159265358979

R

Gas constant

kg-m2/s2-K-mol

8.31451

sigma

Stefan-Boltzmann constant

kg/s3-K4

5.67051e-008

Stemp

Standard temperature

K

273.15

Vmol

Molar gas volume at STP

m3

0.0224140972760918

WatDens

Density of water at STP

kg/m3

999.95

WatWt

Unit weight of water at STP

kg/m2/s2

9806.16