A physical quantity calculator.
Project description
Demo
Rest mass of an electron
>>> me
9.1093837015e-31 kg
Speed of light
>>> c
299792458.0 m * s**-1
Rest energy of an electron
>>> me * c**2
8.187105776823886e-14 m**2 * s**-2 * kg
In mega electronvolts
>>> me * c**2 / MeV
0.5109989499961642
This matches the rest energy of electron on Wikipedia.
Usage
- Install this module via
pip install electronvolt
. - Recommended to use in an interactive python environment, e.g. jupyter notebook.
- Recommended to import via
from electronvolt import *
.
You can also run this module online HERE.
- This page typically loads in 3 minutes.
- Use shift+enter to run a block of code.
- Run the first block to initialize the calculator.
- Run the second block to feel how it works.
Units and Constants
Variable Name | Value | Unit |
---|---|---|
Math Constants | ||
pi | 3.14159265 | |
euler | 2.71828183 | |
Metric Prefixes | ||
yotta | 1.00E+24 | |
zetta | 1.00E+21 | |
exa | 1.00E+18 | |
peta | 1.00E+15 | |
tera | 1.00E+12 | |
giga | 1.00E+09 | |
mega | 1000000 | |
kilo | 1000 | |
hecto | 100 | |
deca | 10 | |
deci | 0.1 | |
centi | 0.01 | |
milli | 0.001 | |
micro | 1.00E-06 | |
nano | 1.00E-09 | |
pico | 1.00E-12 | |
femto | 1.00E-15 | |
atto | 1.00E-18 | |
zepto | 1.00E-21 | |
yocto | 1.00E-24 | |
Common Prefixes | ||
hundred | 100 | |
thousand | 1000 | |
million | 1000000 | |
billion | 1.00E+09 | |
trillion | 1.00E+12 | |
SI Units | ||
s | 1 | s |
m | 1 | m |
kg | 1 | kg |
A | 1 | A |
K | 1 | K |
mol | 1 | mol |
cd | 1 | cd |
Time | ||
minute | 60 | s |
hour | 3600 | s |
day | 86400 | s |
week | 604800 | s |
year | 31557600 | s |
ms | 0.001 | s |
us | 1.00E-06 | s |
ns | 1.00E-09 | s |
Length | ||
km | 1000 | m |
dm | 0.1 | m |
cm | 0.01 | m |
mm | 0.001 | m |
um | 1.00E-06 | m |
nm | 1.00E-09 | m |
fm | 1.00E-15 | m |
Frequency | ||
Hz | 1 | s**-1 |
kHz | 1000 | s**-1 |
MHz | 1000000 | s**-1 |
GHz | 1.00E+09 | s**-1 |
THz | 1.00E+12 | s**-1 |
Classical Mechanics | ||
g | 9.80665 | m * s**-2 |
N | 1 | kg * m * s**-2 |
Pa | 1 | kg * m**-1 * s**-2 |
J | 1 | kg * m**2 * s**-2 |
W | 1 | kg * m**2 * s**-3 |
Thermodynamics | ||
h | 6.63E-34 | kg * m**2 * s**-1 |
hbar | 1.05E-34 | kg * m**2 * s**-1 |
NA | 6.02E+23 | mol**-1 |
kB | 1.38E-23 | kg * m**2 * s**-2 * K**-1 |
R | 8.31446262 | kg * mol**-1 * K**-1 * m**2 * s**-2 |
Electromagnetism | ||
C | 1 | s * A |
V | 1 | kg * A**-1 * m**2 * s**-3 |
F | 1 | kg**-1 * A**2 * m**-2 * s**4 |
Ohm | 1 | kg * A**-2 * m**2 * s**-3 |
T | 1 | kg * A**-1 * s**-2 |
Wb | 1 | kg * m**2 * s**-2 * A**-1 |
H | 1 | kg * A**-2 * m**2 * s**-2 |
c | 299792458 | m * s**-1 |
mu0 | 1.26E-06 | kg * A**-2 * m * s**-2 |
epsilon0 | 8.85E-12 | kg**-1 * m**-3 * s**4 * A**2 |
k | 8.99E+09 | kg * m**3 * s**-4 * A**-2 |
e | 1.60E-19 | s * A |
Imperial Units | ||
inch | 0.0254 | m |
foot | 0.3048 | m |
yard | 0.9144 | m |
mile | 1609.344 | m |
lb | 0.45359237 | kg |
lbf | 4.44822162 | kg * m * s**-2 |
slug | 14.5939029 | kg |
blob | 175.126835 | kg |
Common Units | ||
kph | 0.277777778 | m * s**-1 |
mph | 0.44704 | m * s**-1 |
gram | 0.001 | kg |
L | 0.001 | m**3 |
psi | 6894.757 | kg * m**-1 * s**-2 |
kWh | 3600000 | kg * m**2 * s**-2 |
Atomic Physics | ||
me | 9.11E-31 | kg |
mp | 1.67E-27 | kg |
mn | 1.67E-27 | kg |
u | 1.66E-27 | kg |
mH | 1.67E-27 | kg |
mHe | 6.65E-27 | kg |
Quantum Mechanics | ||
sigma | 5.67E-08 | kg * K**-4 * s**-3 |
a0 | 5.29E-11 | m |
hground | -2.18E-18 | kg * m**2 * s**-2 |
alpha | 0.007297353 | |
Rinfty | 10973731.6 | m**-1 |
Radioactive Decays | ||
Bq | 1 | s**-1 |
Ci | 3.70E+10 | s**-1 |
mCi | 37000000 | s**-1 |
uCi | 37000 | s**-1 |
Nuclear Physics | ||
eV | 1.60E-19 | kg * m**2 * s**-2 |
keV | 1.60E-16 | kg * m**2 * s**-2 |
MeV | 1.60E-13 | kg * m**2 * s**-2 |
GeV | 1.60E-10 | kg * m**2 * s**-2 |
TeV | 1.60E-07 | kg * m**2 * s**-2 |
eVpc | 5.34E-28 | kg * m * s**-1 |
MeVpc | 5.34E-22 | kg * m * s**-1 |
eVpc2 | 1.78E-36 | kg |
MeVpc2 | 1.78E-30 | kg |
Cosmology | ||
G | 6.67E-11 | kg**-1 * m**3 * s**-2 |
au | 1.50E+11 | m |
ly | 9.46E+15 | m |
pc | 3.09E+16 | m |
Mpc | 3.09E+22 | m |
H0 | 2.33E-18 | s**-1 |
Project details
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