Convert Feet To Inches

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Please provide values below to convert foot [ft] to inch [in], or vice versa.

From:	foot
To:	inch

Foot

Definition: A foot (symbol: ft) is a unit of length in the imperial and US customary systems of measurement. A foot was defined as exactly 0.3048 meters in 1959. One foot contains 12 inches, and one yard is comprised of three feet.

History/origin: Prior to standardization of units of measurement, and the definition of the foot currently in use, the measurement of the foot was used in many different systems including the Greek, Roman, English, Chinese, and French systems, varying in length between each. The various lengths were due to parts of the human body historically being used as a basis for units of length (such as the cubit, hand, span, digit, and many others, sometimes referred to as anthropic units). This resulted in the measurement of a foot varying between 250 mm and 335 mm in the past compared to the current definition of 304.8 mm. While the United States is one of the few, if not only, countries in which the foot is still widely used, many countries used their own version of the foot prior to metrication, as evidenced by a fairly large list of obsolete feet measurements.

Current use: The foot is primarily used in the United States, Canada, and the United Kingdom for many everyday applications. In the US, feet and inches are commonly used to measure height, shorter distances, field length (sometimes in the form of yards), etc. Feet are also commonly used to measure altitude (aviation) as well as elevation (such as that of a mountain). The international foot corresponds to human feet with shoe size 13 (UK), 14 (US male), 15.5 (US female), or 46 (EU).

Inch

Definition: An inch (symbol: in) is a unit of length in the imperial and US customary systems of measurement. An inch was defined to be equivalent to exactly 25.4 millimeters in 1959. There are 12 inches in a foot and 36 inches in a yard.

History/origin: The term "inch" was derived from the Latin unit "uncia" which equated to "one-twelfth" of a Roman foot.

There have been a number of different standards for the inch in the past, with the current definition being based on the international yard. One of the earliest definitions of the inch was based on barleycorns, where an inch was equal to the length of three grains of dry, round barley placed end-to-end. Another version of the inch is also believed to have been derived from the width of a human thumb, where the length was obtained from averaging the width of three thumbs: a small, a medium, and a large one.

Current use: The inch is mostly used in the United States, Canada, and the United Kingdom. It is also sometimes used in Japan (as well as other countries) in relation to electronic parts, like the size of display screens.

Foot to Inch Conversion Table

Foot [ft]	Inch [in]
0.01 ft	0.12 in
0.1 ft	1.2 in
1 ft	12 in
2 ft	24 in
3 ft	36 in
5 ft	60 in
10 ft	120 in
20 ft	240 in
50 ft	600 in
100 ft	1200 in
1000 ft	12000 in

How to Convert Foot to Inch

1 ft = 12 in1 in = 0.0833333333 ft

Example: convert 15 ft to in:15 ft = 15 × 12 in = 180 in

Popular Length Unit Conversions

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Convert Foot to Other Length Units

feet to metersFoot to KilometerFoot to Decimeterfeet to cmfeet to mmFoot to MicrometerFoot to Nanometerfeet to milesfeet to yardsFoot to Light YearFoot to BreakFoot to ExameterFoot to PetameterFoot to TerameterFoot to GigameterFoot to MegameterFoot to HectometerFoot to DekameterFoot to MicronFoot to PicometerFoot to FemtometerFoot to AttometerFoot to MegaparsecFoot to KiloparsecFoot to ParsecFoot to Astronomical UnitFoot to LeagueFoot to Nautical League (UK)Foot to Nautical League (int.)Foot to League (statute)Foot to Nautical Mile (UK)Foot to Nautical Mile (international)Foot to Mile (statute)Foot to Mile (US Survey)Foot to Mile (Roman)Foot to KiloyardFoot to FurlongFoot to Furlong (US Survey)Foot to ChainFoot to Chain (US Survey)Foot to RopeFoot to RodFoot to Rod (US Survey)Foot to PerchFoot to PoleFoot to FathomFoot to Fathom (US Survey)Foot to EllFoot to Foot (US Survey)Foot to LinkFoot to Link (US Survey)Foot to Cubit (UK)Foot to HandFoot to Span (cloth)Foot to Finger (cloth)Foot to Nail (cloth)Foot to Inch (US Survey)Foot to BarleycornFoot to MilFoot to MicroinchFoot to AngstromFoot to A.u. Of LengthFoot to X-unitFoot to FermiFoot to ArpentFoot to PicaFoot to PointFoot to TwipFoot to AlnFoot to FamnFoot to CaliberFoot to CentiinchFoot to KenFoot to Russian ArchinFoot to Roman ActusFoot to Vara De TareaFoot to Vara ConuqueraFoot to Vara CastellanaFoot to Cubit (Greek)Foot to Long ReedFoot to ReedFoot to Long CubitFoot to HandbreadthFoot to FingerbreadthFoot to Planck LengthFoot to Electron Radius (classical)Foot to Bohr RadiusFoot to Earth's Equatorial RadiusFoot to Earth's Polar RadiusFoot to Earth's Distance From SunFoot to Sun's Radius