One foot is 6 inches long. True or false?
false (1 foot = 12 inches)
A foot is a unit for measuring length, height, or depth, and is equal to 12 inches or 30.48 centimetres. When you are giving measurements, the form “foot” is often used as the plural instead of the plural form “feet.” 英尺 (常用单数形式表示复数)
An inch is an imperial unit of length, approximately equal to 2.54 centimeters. There are twelve inches in a foot. 英寸
Facts about "foot"
The foot is a unit of length in the imperial and US customary systems of measurement. Since 1959, both units have been defined by international agreement as equivalent to 0.3048 meters exactly. In both systems, the foot comprises 12 inches and three feet compose a yard.