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Convert inches [in] to centimeters [cm] and vice-versa

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Convert any value from / to inches [in] to centimeters [cm]. Fill one of the following fields, values will be converted and updated automatically.

inches [in]
centimeters [cm]



Since the adoption of the international yard on 1 July 1959, inch is based on the metric system and one inch is defined as exactly 2.54 cm. It becomes trivial to deduce the following formula:

$$ l_{ (cm) } = 2.54 \times l_{ (in) } $$

and vice-versa:

$$ l_{ (in) } = \frac { l_{ (cm) } } {2.54} $$

See also

Last update : 04/13/2019