Length Converters

How long or tall something is — feet, centimeters and meters.

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What length units measure

Length units measure distance in a straight line. The foot has been defined as exactly 0.3048 meters since 1959, so feet and centimeters convert with no rounding in the factor itself.

Length units on this site

Each unit expressed in meters, the base unit these converters calculate through.
Unit Symbol Equals in meters
Meters m 1 (base unit)
Centimeters cm 0.01
Feet ft 0.3048

Every converter here calculates through meters, so a pair and its reverse always agree. The full list of factors and the standards behind them is on the methodology page.