Previous Page...   Printer Version Science Constants - Foot Symbol: ft ' Value: 0.3048 m Category: - Units of Length Description: The foot was a base unit in the Foot-Pound-Second system of units. Used in America, but now obsolete in the United Kingdom (replaced by the SI metre).   [ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ] [ Download ] [ Shop ] [ Contact ] [ About ]