qty module¶

A Python library for dealing with physical quantities

class qty.Energy¶

Bases: qty._Meta

Energy units.

Available units:

Joule [J]

Electronvolt [eV]

Meter [m]

Kelvin [K]

Hertz [Hz]

Second [s]

Hartree [Ha]

Units are related by the following equalities:

\[\begin{split}E[\text{J}] &= E[\text{eV}] \times e[\text{C}] \times [\text{J} \cdot \text{C}^{-1} \cdot \text{eV}^{-1}]\\ E[\text{J}] &= h[\text{J} \cdot \text{s}] \times c[\text{m} \cdot \text{s}^{-1}] \times (\lambda[\text{m}])^{-1}\\ E[\text{J}] &= k_B[\text{J} \cdot \text{K}^{-1}] \times T[\text{K}]\\ E[\text{J}] &= h[\text{J} \cdot \text{s}] \times ν[\text{Hz}] \times [\text{Hz}^{-1} \cdot \text{s}^{-1}]\\ E[\text{J}] &= h[\text{J} \cdot \text{s}] \times (ν^{-1}[\text{s}])^{-1}\\ E[\text{J}] &= E[\text{Ha}] \times m_e[\text{kg}] \times (c[\text{m} \cdot \text{s}^{-1}])^2 \times \alpha^2 \times [\text{Ha}^{-1}] \\\end{split}\]

Note

Due to a conflict with the built-in Python keyword as, use as_ for attoseconds.

EHa¶

EHz¶

EJ¶

EK¶

EeV¶

Em¶

Es¶

GHa¶

GHz¶

GJ¶

GK¶

GeV¶

Gm¶

Gs¶

Ha¶

Hz¶

J¶

K¶

MHa¶

MHz¶

MJ¶

MK¶

MeV¶

Mm¶

Ms¶

PHa¶

PHz¶

PJ¶

PK¶

PeV¶

Pm¶

Ps¶

THa¶

THz¶

TJ¶

TK¶

TeV¶

Tm¶

Ts¶

YHa¶

YHz¶

YJ¶

YK¶

YeV¶

Ym¶

Ys¶

ZHa¶

ZHz¶

ZJ¶

ZK¶

ZeV¶

Zm¶

Zs¶

aHa¶

aHz¶

aJ¶

aK¶

aeV¶

am¶

as_¶

cHa¶

cHz¶

cJ¶

cK¶

ceV¶

cm¶

cs¶

dHa¶

dHz¶

dJ¶

dK¶

daHa¶

daHz¶

daJ¶

daK¶

daeV¶

dam¶

das¶

deV¶

dm¶

ds¶

eV¶

fHa¶

fHz¶

fJ¶

fK¶

feV¶

fm¶

fs¶

hHa¶

hHz¶

hJ¶

hK¶

heV¶

hm¶

hs¶

kHa¶

kHz¶

kJ¶

kK¶

keV¶

km¶

ks¶

m¶

mHa¶

mHz¶

mJ¶

mK¶

meV¶

mm¶

ms¶

nHa¶

nHz¶

nJ¶

nK¶

neV¶

nm¶

ns¶

pHa¶

pHz¶

pJ¶

pK¶

peV¶

pm¶

ps¶

s¶

uHa¶

uHz¶

uJ¶

uK¶

ueV¶

um¶

us¶

zHa¶

zHz¶

zJ¶

zK¶

zeV¶

zm¶

zs¶

class qty.Length¶

Bases: qty._Meta

Length units.

Available units:

Meter [m]

Ångström [Å]

Units are related by the following equality:

\[l[\text{m}] = l[\text{Å}] \times 10^{-10}[\text{m} \cdot \text{Å}^{-1}]\]

Note

The ångström symbol (Å) has been substituted with a capital A in the module for convenience.

A¶

EA¶

Em¶

GA¶

Gm¶

MA¶

Mm¶

PA¶

Pm¶

TA¶

Tm¶

YA¶

Ym¶

ZA¶

Zm¶

aA¶

am¶

cA¶

cm¶

dA¶

daA¶

dam¶

dm¶

fA¶

fm¶

hA¶

hm¶

kA¶

km¶

m¶

mA¶

mm¶

nA¶

nm¶

pA¶

pm¶

uA¶

um¶

zA¶

zm¶

class qty.Temperature¶

Bases: qty._Meta

Temperature units.

Available units:

Kelvin [K]
Degree Celsius [℃]
Degree Farenheit [℉]

Units are related by the following equalities:

\[ \begin{align}\begin{aligned}T[\text{K}] &= 1[\text{K} \cdot \text{℃}^{-1}] \times T[\text{℃}] + 273.15[\text{K}]\\T[℉] &= 1.8[\text{F} \cdot \text{℃}^{-1}] \times T[\text{℃}] + 32[\text{℉}]\end{aligned}\end{align} \]

Note

The degree sign from the degree Celsius (℃) and degree Farenheit (℉) symbols has been omitted in the module for convenience.

C¶

EC¶

EF¶

EK¶

F¶

GC¶

GF¶

GK¶

K¶

MC¶

MF¶

MK¶

PC¶

PF¶

PK¶

TC¶

TF¶

TK¶

YC¶

YF¶

YK¶

ZC¶

ZF¶

ZK¶

aC¶

aF¶

aK¶

cC¶

cF¶

cK¶

dC¶

dF¶

dK¶

daC¶

daF¶

daK¶

fC¶

fF¶

fK¶

hC¶

hF¶

hK¶

kC¶

kF¶

kK¶

mC¶

mF¶

mK¶

nC¶

nF¶

nK¶

pC¶

pF¶

pK¶

uC¶

uF¶

uK¶

zC¶

zF¶

zK¶

class qty.Time¶

Bases: qty._Meta

Time units.

Available units:

Second [s]

Minutes [min]

Hour [h]

Units are related by the following equalities:

\[ \begin{align}\begin{aligned}t[\text{min}] &= 60[\text{s} \cdot \text{min}^{-1}] × t[\text{s}]\\t[\text{h}] &= 60[\text{min} \cdot \text{h}^{-1}] × t[\text{h}]\end{aligned}\end{align} \]

Note

Due to a conflict with the built-in Python keyword as, use as_ for attoseconds.

Eh¶

Emin¶

Es¶

Gh¶

Gmin¶

Gs¶

Mh¶

Mmin¶

Ms¶

Ph¶

Pmin¶

Ps¶

Th¶

Tmin¶

Ts¶

Yh¶

Ymin¶

Ys¶

Zh¶

Zmin¶

Zs¶

ah¶

amin¶

as_¶

ch¶

cmin¶

cs¶

dah¶

damin¶

das¶

dh¶

dmin¶

ds¶

fh¶

fmin¶

fs¶

h¶

hh¶

hmin¶

hs¶

kh¶

kmin¶

ks¶

mh¶

min¶

mmin¶

ms¶

nh¶

nmin¶

ns¶

ph¶

pmin¶

ps¶

s¶

uh¶

umin¶

us¶

zh¶

zmin¶

zs¶

Qty

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qty module¶