Convert Foot to Inch

One ft equals 12 in. This converter allows you to easily convert between Foot and Inch in real time.

Formula

ft × 12 = in

Example: 1 ft = 12 in

What is Foot?

The foot is a unit of length in the imperial and US customary systems, equal to exactly 0.3048 meters or 12 inches. Its name comes from the length of a human foot, and it has been used as a measure since ancient civilizations. In the United States, height is commonly expressed in feet and inches (for example, "5 feet 10 inches"), and real estate listings use square feet for floor area. In aviation worldwide, altitude is measured in feet, regardless of whether the country otherwise uses the metric system.

What is Inch?

The inch is a unit of length in the imperial and US customary systems, defined as exactly 25.4 millimeters. The word comes from the Latin "uncia," meaning one-twelfth, as there are 12 inches in a foot. Screen sizes for televisions, monitors, and smartphones are universally measured diagonally in inches. In plumbing and hardware, pipe diameters and bolt sizes are often specified in inches, even in countries that otherwise use the metric system.