constants
Collection of physical constants and conversion factors.
Physical constants
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Earth standard gravity in |
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Planck constant in |
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Boltzmann constant in |
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Speed of light in |
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Avogadro constant in |
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Kelvin at 0 Celsius |
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Triple point temperature of water |
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Universal gas constant in
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Molar mass for dry air in
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Molar mass for water vapor in
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Gas constant for dry air in
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Gas constant for water vapor in
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Specific heat capacity in
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Heat of vaporization in |
Mathematical constants
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Golden ratio |
SI prefixes
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Non-SI ratios
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Binary prefixes
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Earth characteristics
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Earth mass in |
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Earth radius in |
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Standard atmosphere in |