Feet to inches (ft to in) length units conversion factor is 12. To find out how many inches in feet, multiply the foot value by 12 or use the converter.
1 Foot = 12 Inches
There are 12 inches in a foot, because in latin, inch means "one-twelfth" and in length measurement it is 1/12 of a foot (2.54 centimeters).
For example, to calculate how many inches there are in 6 feet, multiply the foot value by the conversion factor, 6 ft * 12 in = 72 inches in 6 ft.
Foot is a US customary and imperial measurement systems length unit. In 1959, one foot (in both US customary and imperial systems) is defined to be 0.3048 meter (metre in SI spelling). There are 3 feet in a yard, 3.2808399 feet in a meter and 5280 feet in a mile.
The international and the US survey foot (used in surveying and mapping) are different units but the difference is very small, ex: 1 foot is 0.3048 meter and the US survey foot is 0.3048006096 meter. A US survey foot is also 12 survey inches. The abbreviation for foot is "ft" or (') prime symbol.
Inch is a US customary and imperial measurement systems length unit. 1 inch is 2.54 centimeters or 25.4 millimeters. There are 36 inches in a yard. The abbreviation for inch is "in" and also the symbol is a double prime (").
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