Feet to Inches Conversion Calculator (ft to in) - Inch Calculator (2024)

Enter the length in feet below to get the value converted to inches.

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Result in Inches:

Feet to Inches Conversion Calculator (ft to in) - Inch Calculator (1)

1 ft = 12 in

Learn how we calculated this below

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Do you want to convert inches to feet?

How to Convert Feet to Inches

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Joe is the creator of Inch Calculator and has over 20 years of experience in engineering and construction. He holds several degrees and certifications.

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Reviewed by

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Ethan has a PhD in astrophysics and is currently a satellite imaging scientist. He specializes in math, science, and astrophysics.

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Cite As:

Sexton, J. (n.d.). Feet to Inches Conversion Calculator. Inch Calculator. Retrieved July 5, 2024, from https://www.inchcalculator.com/convert/foot-to-inch/

To convert a measurement in feet to a measurement in inches, multiply the length by the following conversion ratio: 12 inches/foot.

Since one foot is equal to 12 inches, you can use this simple formula to convert:

inches = feet × 12

The length in inches is equal to the length in feet multiplied by 12.

For example, here's how to convert 5 feet to inches using the formula above.

inches = (5' × 12) = 60"

Feet to Inches Conversion Calculator (ft to in) - Inch Calculator (4)

How Many Inches Are in a Foot?

There are 12 inches in a foot, which is why we use this value in the formula above.

1' = 12"

Our inch fraction calculator can add feet and inches together, and it can also automatically convert the results to US customary, imperial, and SI metric values.

Feet and inches are both units used to measure length. Keep reading to learn more about each unit of measure.

Feet to Inches Conversion Calculator (ft to in) - Inch Calculator (5)

What Is a Foot?

The foot is a unit of length measurement equal to 12 inches or 1/3 of a yard.Because the international yard is legally defined to be equal to exactly 0.9144 meters, one foot is equal to 0.3048 meters.[1]

The foot is a US customary and imperial unit of length. Feet can be abbreviated as ft; for example, 1 foot can be written as 1 ft.

Feet can also be denoted using the symbol, otherwise known as a prime, though a single-quote (') is often used instead of the prime symbol for convenience.Using the prime symbol, 1 ft can be written as 1′.

Measurements in feet are most commonly taken using either a standard 12" ruler or a tape measure, though there are many other measuring devices available.Feet are sometimes referred to as linear feet, which are simply a measurement of length in feet.

You might be interested in our feet and inches calculator, which can add feet with other units of measurement such as inches, centimeters, or meters.

Learn more about feet.

What Is an Inch?

An inch is a unit of length equal to 1/12 of a foot or 1/36 of a yard.Because the international yard is legally defined to be equal to exactly 0.9144 meters, one inch is equal to 2.54 centimeters.[2]

The inch is a US customary and imperial unit of length. Inches can be abbreviated as in; for example, 1 inch can be written as 1 in.

Inches can also be denoted using the symbol, otherwise known as a double-prime.Often a double-quote (") is used instead of a double-prime for convenience.A double-prime is commonly used to express 1 in as 1″.

Feet to Inches Conversion Calculator (ft to in) - Inch Calculator (6)

The standard ruler is 12 inches long and is a common tool for measuring a length in inches.Another frequently used tool to perform measurements in inches is a tape measure, which commonly comes in lengths from 6' - 35'.Other types of devices used to make measurements in inches include scales, calipers, measuring wheels, micrometers, yardsticks, and even lasers.

Learn more about inches.

We recommend using a ruler or tape measure for measuring length, which can be found at a local retailer or home center.Rulers are available in imperial, metric, or a combination of both values, so make sure you get the correct type for your needs.

Need a ruler? Try our free downloadable and printable rulers, which include both imperial and metric measurements.

Foot to Inch Conversion Table

Table showing various foot measurements converted to inches.
Feet Inches
1'12"
2'24"
3'36"
4'48"
5'60"
6'72"
7'84"
8'96"
9'108"
10'120"
11'132"
12'144"
13'156"
14'168"
15'180"
16'192"
17'204"
18'216"
19'228"
20'240"

References

  1. National Institute of Standards and Technology, U.S. Survey Foot: Revised Unit Conversion Factors, https://www.nist.gov/pml/us-surveyfoot/revised-unit-conversion-factors
  2. National Institute of Standards and Technology, Checking the Net Contents of Packaged Goods, Handbook 133 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.133-2019.pdf

More Foot & Inch Conversions

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  • feet to yards
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  • feet to meters
  • feet to centimeters
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  • feet to nanometers
  • miles to inches
  • yards to inches
  • kilometers to inches
  • meters to inches
  • centimeters to inches
  • millimeters to inches
  • micrometers to inches
  • nanometers to inches
Feet to Inches Conversion Calculator (ft to in) - Inch Calculator (2024)
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