How to convert Feet to Inches

To convert a foot measurement to an customs measurement, main point the length by the switch ratio.

because one foot is same to 12 inches, you have the right to use this straightforward formula come convert:


How many Inches are in a Foot?

There space 12 inches in a foot, i m sorry is why we use this value in the formula above.

1" = 12"

our inch portion calculator can include feet and also inches together and it additionally automatically switch the outcomes to us customary, imperial and also SI metric values.

You are watching: How many inches in 20 feet

Feet and inches are both units offered to measure up length. Keep reading to learn more about every unit the measure.



The foot is a unit that linear size measure equal to 12 inch or 1/3 the a yard. Since the global yard is legally defined to be same to exactly 0.9144 meters, one foot is equal to 0.3048 meters.<1>

The foot is a us customary and imperial unit the length. Feet deserve to be abbreviated as ft; for example, 1 foot have the right to be created as 1 ft.

Feet can also be denoted making use of the symbol, otherwise recognized as a prime, though a single-quote (") is often used instead of the element symbol because that convenience. Using the element symbol, 1 ft have the right to be created as 1′.

The foot is most typically measured utilizing either a traditional 12" ruler or a ice measure, though there are plenty of other measuring gadgets available. Feet are sometimes referred to as linear feet, which are just the measure up of size in feet.

You might be interested in our feet and inches calculator, i m sorry can include feet v inches, centimeters, or meters.


An customs is a unit the linear size measure equal to 1/12 of a foot or 1/36 of a yard. Because the international yard is legally characterized to be equal to exactly 0.9144 meters, one inch is same to 2.54 centimeters.<2>

The inch is a us customary and imperial unit of length. Inches deserve to be abbreviated together in; for example, 1 inch can be composed as 1 in.

inch can likewise be denoted using the symbol, otherwise well-known as a double-prime. Regularly a double-quote (") is used rather of a double-prime because that convenience. A double-prime is frequently used come express 1 in together 1″.

See more: When Determining Whether To Record An Asset As A Fixed Asset, What Two Criteria Must Be Met?


The traditional ruler has 12", and is a usual measuring tool for measure up inches. Lock are additionally often measured using tape measures, which typically come in lengths indigenous 6" - 35". Other species of measuring gadgets include scales, calipers, measuring wheels, micrometers, yardsticks, and also even lasers.

us recommend using a leader or tape measure for measure up length, which have the right to be discovered at a neighborhood retailer or home center. Rulers are accessible in imperial, metric, or mix with both values, therefore make certain you get the correct form for your needs.

require a ruler? try our free downloadable and also printable rulers, which incorporate both imperial and metric measurements.

Foot to customs Conversion Table

Foot dimensions converted come inches Feet inch
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"


National institute of Standards and also Technology, U.S. Inspection Foot: modification Unit conversion Factors, institute of Standards and Technology, check the Net materials of Packaged Goods, Handbook 133 - 2019 Edition,

More Foot & customs Conversions