Feet to Inches

1 ft = 12 in

Feet to inches is a within-system conversion used constantly in US construction, carpentry, and home improvement. Plans and room sizes are often given in feet, while lumber cuts, trim, and fabric need inches. A foot contains exactly 12 inches, so the math is simple but easy to slip on with fractions.

From

When you need to convert feet to inches

Turning a room dimension in feet into inches for baseboard or trim cuts
Converting a height given in feet into total inches for a medical or sports form
Calculating fabric or ribbon lengths when patterns list inches
Checking appliance clearances when cabinet openings are measured in inches

How to convert feet to inches

in = ft × 12

Example: 5 ft = 60 in

Common lengths in feet

Feet (ft)	Inches (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
8 ft	96 in
10 ft	120 in
12 ft	144 in

Tips for converting feet to inches

Multiply by 12. For decimals, a quarter foot is 3 in, a half foot is 6 in, three quarters is 9 in.
Do not confuse 6.5 ft with 6 ft 5 in. The decimal form means six and a half feet.
For mixed measurements like 8 ft 3 in, convert the feet and then add the extra inches.

Feet to Inches conversion table

Feet (ft)	Inches (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
15 ft	180 in
20 ft	240 in
25 ft	300 in
30 ft	360 in
40 ft	480 in
50 ft	600 in
75 ft	900 in
100 ft	1,200 in
250 ft	3,000 in
500 ft	6,000 in
1,000 ft	12,000 in

About the units

Feet: The foot is an imperial and US customary unit of length equal to 12 inches, or exactly 0.3048 meters. It is common for height, room dimensions and altitude.

Inches: The inch is an imperial and US customary unit of length, defined since 1959 as exactly 2.54 centimeters. It is used for screen sizes, clothing and hardware in the US and UK.

Frequently asked questions

How many inches are in 1 foot?

1 foot equals 12 inches.

How many feet are in 1 inch?

1 inch equals 0.08333333 feet.

How do I convert feet to inches?

Use the formula in = ft × 12.

What is 10 feet in inches?

10 feet equals 120 inches.

Related conversions

Factors: NIST SP 811 · SI Brochure · NIST Handbook 44 — Updated October 17, 2026