"""The valid types of metric unit formats."""# noqa: E501
"""# Atto (symbol a) is a unit prefix in the metric system denoting a factor of 10^−18 or 0.000000000000000001. <https://en.wikipedia.org/wiki/Atto-> """# noqa: E501
ATTO="atto"
"""# Femto (symbol f) is a unit prefix in the metric system denoting a factor of 10^-15. <https://en.wikipedia.org/wiki/Femto-> """# noqa: E501
FEMTO="femto"
"""# Pico (unit symbol p) is a unit prefix in the metric system denoting a factor of one trillionth in the short scale and one billionth in the long scale (0.000000000001); that is, 10^−12. <https://en.wikipedia.org/wiki/Pico-> """# noqa: E501
PICO="pico"
"""# Nano (symbol n) is a unit prefix meaning "one billionth". Used primarily with the metric system, this prefix denotes a factor of 10^−9 or 0.000000001. <https://en.wikipedia.org/wiki/Nano-> """# noqa: E501
NANO="nano"
"""# Micro (Greek letter μ (U+03BC) or the legacy symbol µ (U+00B5)) is a unit prefix in the metric system denoting a factor of 10^−6 (one millionth). <https://en.wikipedia.org/wiki/Micro-> """# noqa: E501
MICRO="micro"
"""# Milli (symbol m) is a unit prefix in the metric system denoting a factor of one thousandth (10^−3). <https://en.wikipedia.org/wiki/Milli-> """# noqa: E501
MILLI="milli"
"""# Centi (symbol c) is a unit prefix in the metric system denoting a factor of one hundredth. <https://en.wikipedia.org/wiki/Centi-> """# noqa: E501
CENTI="centi"
"""# Deci (symbol d) is a decimal unit prefix in the metric system denoting a factor of one tenth. <https://en.wikipedia.org/wiki/Deci-> """# noqa: E501
DECI="deci"
"""# One metric unit. """# noqa: E501
UNIT="unit"
"""# Deca is a decimal unit prefix in the metric system denoting a factor of ten. <https://en.wikipedia.org/wiki/Deca-> """# noqa: E501
DECA="deca"
"""# Hecto (symbol: h) is a decimal unit prefix in the metric system denoting a factor of one hundred. <https://en.wikipedia.org/wiki/Hecto-> """# noqa: E501
HECTO="hecto"
"""# Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (10^3). <https://en.wikipedia.org/wiki/Kilo-> """# noqa: E501
KILO="kilo"
"""# Mega is a unit prefix in metric systems of units denoting a factor of one million (10^6 or 1000000). <https://en.wikipedia.org/wiki/Mega-> """# noqa: E501
MEGA="mega"
"""# Giga is a unit prefix in the metric system denoting a factor of a short-scale billion or long-scale milliard (10^9 or 1000000000). <https://en.wikipedia.org/wiki/Giga-> """# noqa: E501
GIGA="giga"
"""# Tera is a unit prefix in the metric system denoting multiplication by one trillion, or 10^12 or 1000000000000 (one trillion short scale; one billion long scale). <https://en.wikipedia.org/wiki/Tera-> """# noqa: E501
TERA="tera"
"""# Peta is a decimal unit prefix in the metric system denoting multiplication by one quadrillion, or 10^15 (1000000000000000). <https://en.wikipedia.org/wiki/Peta-> """# noqa: E501
PETA="peta"
"""# Exa is a decimal unit prefix in the metric system denoting 10^18 or 1000000000000000000. <https://en.wikipedia.org/wiki/Exa-> """# noqa: E501