cm to inches FREE
Convert centimetres to inches and back. One inch is 2.54 cm exactly, so nothing here is an approximation you have to worry about.
This value in every unit
The formula
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Every conversion is calculated in this tab. Nothing is sent anywhere, which is also why the result appears as you type rather than after a round trip to a server.
How the conversion is done
One inch is 2.54 centimetres exactly, by definition since 1959. That makes 1 cm equal to 0.393700787401575 in, and every figure on this page is that ratio rounded to the number of decimals you choose.
A tape measure is read in fractions rather than decimals. This page gives you the decimal, which is the honest answer; rounding 5.906 in to the nearest sixteenth is a step you take deliberately, and it is worth knowing you took it.
Millimetres, feet, metres and yards for the same length are one panel away, and the formula is written out so you can check it rather than trust it. The conversion happens in this tab, with no request to a server.
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