Convert feet to inches

Enter the number of feet you want to convert to inches in the text box below. The conversion to length in inches will update as you type.

Answer: 12
feet (ft)
{"answerString":"12","answerSymbol":"inches"}
1 feet = 12 inches

Precise decimal and fraction answers

The conversion in inches rounded to six significant decimal places is 1 ft = 12.000000 in. The precise fraction answer is 12 0/1 in.

Decimal Precision

Conversion from one to ten decimal places

  • 1 ft = 12.0 in
  • 1 ft = 12.00 in
  • 1 ft = 12.000 in
  • 1 ft = 12.0000 in
  • 1 ft = 12.00000 in
  • 1 ft = 12.000000 in
  • 1 ft = 12.0000000 in
  • 1 ft = 12.00000000 in
  • 1 ft = 12.000000000 in
  • 1 ft = 12.0000000000 in

Answer in feet and inches

1 ft equals 1 ft using feet, inches and fractional inches instead of decimals as is traditional in the imperial system. This calculation is accurate to the nearest 1/64th of an inch.

How many inches are in a foot?

There are 12 inches in one foot. A foot is 12 times longer than an inch. An inch is 8.33% of a foot

Feet to inches conversion factor and formulas

Formula

The conversion factor between feet and inches is 12. This represents the ratio of inches per one foot. To calculate the value in inches, we can either multiply by the conversion factor or divide by its inverse.

Multiplication

To convert from feet to inches, multiply feet by 12.
The formula is expressed as:
ft × 12 = in

Division

Alternatively we can divide by the inverse conversion factor to get the same result.
The inverse of 12 is 1/12 or 0.083. To convert from feet to inches, divide feet by 0.083.
The formula is expressed as:
ft ÷ 0.083 = in

About this conversion

When converting from from feet to inches, both units are within the US Customary / UK Imperial system and conversion factors are governed by standards set by the controlling body.

About Feet

Customary/Imperial Unit

The foot is a length unit of measure within the US Customary and UK Imperial systems. It is commonly abbreviated as ft or using the ' symbol. The official definition of the foot is 0.3048 meters. Within the Imperial system, the foot is equal to 12 inches or 1/3 of a yard. The foot is very widely used within the United States in situations where nearly the rest of the world would measure in meters. Globally, the foot is used by the aviation community as the standard measurement of flight altitude eg. 35,000 feet.

About Inches

Customary/Imperial Unit

The inch is a length measurement within US Customary and British Imperial units of measure. It is officially defined as 25.4 millimeters. Twelve inches equal one foot and thirty six inches equal a yard in the US/Imperial systems. The abbreviation for inches is either in or " as in 12". When measuring in inches, it is common to subdivide the inch into fractional portions like a half-inch, quarter-inch, eighth of an inch etc. instead of using decimals. Inches are frequently used in the building construction trades in the US and Canada. Internationally, inches are a common measurement of tire size and display screen sizes. Historically the inch is derived from the width of an adult thumb.

Reverse this conversion

Convert from inches to feet instead.

1 feet to other length units

Metric

  • 1 ft = 3.048×10-4 km
  • 1 ft = 0.305 m
  • 1 ft = 3.048 dm
  • 1 ft = 30.48 cm
  • 1 ft = 304.8 mm
  • 1 ft = 304,800 µ
  • 1 ft = 3.048×108 nm

Imperial/U.S.

  • 1 ft = 1.894×10-4 mi
  • 1 ft = 0.333 yd
  • 1 ft = 1 ft
  • 1 ft = 12 in

References and Citations

  1. National Institute of Standards and Technology (NIST) General Tables of Units of Measurement

Feet to inches conversion table

ft in
1 ft 12 in
2 ft 24 in
3 ft 36 in
4 ft 48 in
5 ft 60 in
6 ft 72 in
7 ft 84 in
8 ft 96 in
9 ft 108 in
10 ft 120 in
ft in
20 ft 240 in
30 ft 360 in
40 ft 480 in
50 ft 600 in
60 ft 720 in
70 ft 840 in
80 ft 960 in
90 ft 1,080 in
100 ft 1,200 in
1,000 ft 12,000 in

More ft to in conversions

Frequent conversions from feet

ft to in ft to yd ft to mi ft to mm ft to cm ft to m ft to km