How many inches are in a foot?

There are exactly 12 inches in one foot. So 1 ft = 12 in.

What is the formula to convert feet to inches?

To convert feet to inches, multiply by 12. The formula is: inches = feet × 12.

Where is feet to inches conversion used?

Feet to inches is used to convert people’s height, timber lengths, furniture dimensions, and building measurements into smaller imperial units for detailed work or cutting lists.

Feet to inches – convert ft to in

Convert feet to inches (ft to in) to break longer measurements into smaller, easy-to-use units for cutting, drilling and detailed planning. This page opens the main length converter with ft → in pre-selected.

Open the interactive feet → inches converter:

Use main converter (ft → in) or switch to in → ft

You can also convert between feet, inches, yards, metres and centimetres on the homepage.

Quick reference: feet to inches

One foot is defined as 12 inches, so: inches = feet × 12. Examples:

Length (feet)	Length (inches)
1 ft	12 in
2 ft	24 in
3 ft	36 in
5 ft	60 in
10 ft	120 in

Why convert feet to inches?

ft to in helps when you:

Prepare cutting lists for timber, pipes or cables measured in inches.
Convert a person’s height from feet to a clean inch figure.
Work on projects where your tape measure or tools only show inches.
Translate mixed feet-and-inches measurements into pure inches for calculations.

Other length converters on this site

The foot used here is the international foot, so results are consistent with modern surveying, mapping and building standards.

Page last updated: 11 December 2025.