<spanclass="w"></span><spanclass="sd">"""The valid types of metric unit formats."""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# 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->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# Femto (symbol f) is a unit prefix in the metric system denoting a factor of 10^-15. <https://en.wikipedia.org/wiki/Femto->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# 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->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# 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->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# 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->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# 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->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# Centi (symbol c) is a unit prefix in the metric system denoting a factor of one hundredth. <https://en.wikipedia.org/wiki/Centi->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# Deci (symbol d) is a decimal unit prefix in the metric system denoting a factor of one tenth. <https://en.wikipedia.org/wiki/Deci->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# Deca is a decimal unit prefix in the metric system denoting a factor of ten. <https://en.wikipedia.org/wiki/Deca->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# Hecto (symbol: h) is a decimal unit prefix in the metric system denoting a factor of one hundred. <https://en.wikipedia.org/wiki/Hecto->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (10^3). <https://en.wikipedia.org/wiki/Kilo->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# 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->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# 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->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# 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->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# 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->"""</span><spanclass="c1"># noqa: E501</span>
<spanclass="w"></span><spanclass="sd">"""# Exa is a decimal unit prefix in the metric system denoting 10^18 or 1000000000000000000. <https://en.wikipedia.org/wiki/Exa->"""</span><spanclass="c1"># noqa: E501</span>
