Convert feet to inches

1 ft=12in

Use the converter below to change any feet value into inches instantly — with formula, conversion table, and real-world examples.

You have

Equals

Conversion formula

Forward

inches = feet × 12

Reverse

feet = inches × 0.08333

Example: 10 ft × 12 = 120 in.

About both units

From

Foot

The foot equals 30.48 centimeters exactly and is one of the oldest length units in human history. It is the international aviation standard for altitude — commercial airliners cruise at 35,000 feet. In the US, building dimensions, human height and elevation are all expressed in feet. 1 foot = 12 inches.

Real-world: Airliners cruise at 35,000 ft (10.7 km). Mount Everest is 29,032 ft (8,849 m). A standard US ceiling is 8 ft (2.44 m).

Read full foot reference →

Inch

The inch equals 2.54 centimeters exactly since 1959. It is the global standard for screen diagonal sizes — a "55-inch TV" has a 139.7 cm diagonal. Pipe diameters, US and UK shoe sizes, and hard-drive form factors are all specified in inches. 1 inch = 1/12 foot = 1/36 yard.

Real-world: A 65-inch TV has a 165 cm diagonal. A smartphone screen is typically 6–7 inches. Standard copper plumbing in the UK is ½ inch or ¾ inch.

Read full inch reference →

Foot to Inch conversion table

Common feet to inches values for quick reference.

Foot (ft)	Inch (in)
1 ft	12 in
5 ft	60 in
10 ft	120 in
25 ft	300 in
50 ft	600 in
100 ft	1,200 in
250 ft	3,000 in
500 ft	6,000 in
1,000 ft	12,000 in
5,000 ft	60,000 in

Tips & common mistakes

Quick tips

1 foot = 12 inches = 30.48 cm exactly. Knowing feet gives you inches instantly.
For a quick metric estimate, multiply feet by 0.3 — 10 ft ≈ 3 m.
Pilots and air-traffic control use feet globally, even over metric countries.

Avoid these

Writing "6.2 ft" to mean "6 feet 2 inches" — the decimal form is 6.167 ft, not 6.2.
Confusing feet (length) with square feet (area) in US real-estate listings.
Using 0.3 instead of 0.3048 on structural drawings — errors accumulate on multi-storey buildings.

Frequently asked questions

How many inches in a foot?

One foot equals 12 inches.

How do I convert feet to inches?

Multiply the foot value by 12 to get the equivalent in inches.

What is 100 feet in inches?

100 feet equals 1,200 inches.

Is a foot bigger than a inch?

Yes. 1 foot equals 12 inches, so one foot is larger.

How to convert feet to inches without a calculator?

Multiply by 12 for a quick estimate; use a calculator for precise results.

Related length conversions

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