Foot
Unit of length
The foot is a unit of length in the British imperial and United States customary systems of measurement. The prime symbol, ′, is commonly used to represent the foot. In both customary and imperial units, one foot comprises 12 inches, and one yard... Wikipedia
1 ft in: is equal to
Imperial/US units: 1/3 yd; 12 in
Metric (SI) units: 0.3048 m; 30.48 cm; 304.8 mm
Symbol: ft, ′
Unit of: Length