Return the corresponding value of the specified unit in meters (e.g., “centi” returns 0.01).
Example
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from scipy import constants
print(constants.yotta) #1e+24
print(constants.zetta) #1e+21
print(constants.exa) #1e+18
print(constants.peta) #1000000000000000.0
print(constants.tera) #1000000000000.0
print(constants.giga) #1000000000.0
print(constants.mega) #1000000.0
print(constants.kilo) #1000.0
print(constants.hecto) #100.0
print(constants.deka) #10.0
print(constants.deci) #0.1
print(constants.centi) #0.01
print(constants.milli) #0.001
print(constants.micro) #1e-06
print(constants.nano) #1e-09
print(constants.pico) #1e-12
print(constants.femto) #1e-15
print(constants.atto) #1e-18
print(constants.zepto) #1e-21
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Binary Prefixes:
Return the corresponding value of the specified unit in bytes (e.g., “kibi” returns 1024).
Example
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from scipy import constants
print(constants.kibi) #1024
print(constants.mebi) #1048576
print(constants.gibi) #1073741824
print(constants.tebi) #1099511627776
print(constants.pebi) #1125899906842624
print(constants.exbi) #1152921504606846976
print(constants.zebi) #1180591620717411303424
print(constants.yobi) #1208925819614629174706176
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Mass:
Return the equivalent value of the specified unit in kilograms (e.g., “gram” returns 0.001).
Example
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from scipy import constants
print(constants.gram) #0.001
print(constants.metric_ton) #1000.0
print(constants.grain) #6.479891e-05
print(constants.lb) #0.45359236999999997
print(constants.pound) #0.45359236999999997
print(constants.oz) #0.028349523124999998
print(constants.ounce) #0.028349523124999998
print(constants.stone) #6.3502931799999995
print(constants.long_ton) #1016.0469088
print(constants.short_ton) #907.1847399999999
print(constants.troy_ounce) #0.031103476799999998
print(constants.troy_pound) #0.37324172159999996
print(constants.carat) #0.0002
print(constants.atomic_mass) #1.66053904e-27
print(constants.m_u) #1.66053904e-27
print(constants.u) #1.66053904e-27
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