Example 1
- Direction: feet to inches
- 1 ft
12 in
How many inches is 1 foot? 12 inches, because a foot is exactly 12 inches.
Feet to Inches
The calculator multiplies feet by 12. One foot is 12 inches. 6 feet are 72 inches. 5.5 feet are 66 inches.
The other page, inches to feet, is on inches to feet. Height as 5 ft 11: cm to feet and inches.
Result
Enter a length in inches or in feet. The result will appear here.
How it works
The calculator multiplies feet by 12. 1 ft is 12 in. 6 ft is 72 in. 5.5 ft is 66 in.
The other way, you divide inches by 12. 72 in is 6 ft. 18 in is 1.5 ft.
The international foot is exactly 12 inches. This is not a US survey foot from a map.
The result is one number in inches or in feet. The calculator does not write the result as feet and inches, such as 5 ft 11.
You may enter zero; the result is then also zero. The calculator does not accept negative numbers.
A comma and a period give the same fraction. 2.5 ft is 30 in.
Formula
ft = in / 12; in = ft × 12
The international foot is exactly 12 inches. The result is one number.
How to use
- Choose feet to inches.
- Enter 1. The result is 12 in.
- Enter 6. The result is 72 in.
- Enter 5.5. The result is 66 in.
12 inches are 1 foot
A foot has 12 inches. 72 inches are 6 feet. 18 inches are 1.5 feet.
- in
- Inch. 12 in = 1 ft. 72 in = 6 ft. The result is not written as 5 ft 11.
- ft
- Foot. 1 ft = 12 in. 6 ft = 72 in. This is not a US survey foot from a map.
- 12
- The foot constant. The inch and the foot are exact, not a rough guess.
Examples
Example 2
- Direction: feet to inches
- 6 ft
72 in
How many inches are 6 feet? 72 inches.
Example 3
- Direction: feet to inches
- 5.5 ft
66 in
How many inches are 5.5 feet? 66 inches.
Related calculators
Frequently asked questions
How many inches is 1 foot?
Exactly 12 inches.
How many inches are 6 feet?
72 inches.
How many inches are 5.5 feet?
66 inches.
Is the result in feet and inches, like 5 ft 11?
No. The result is one number in inches or in feet.
How many feet are 72 inches?
6 feet. Reverse the direction, or use the inches-to-feet page.
Can length be negative?
No. Zero is allowed; after conversion the result is still zero.
Is 2.5 feet 30 inches?
Yes. 2.5 × 12 = 30.
Is a tailor foot different?
Not on this page. The factor is 12 international inches.
Do a comma and a period both work?
Yes. 5,5 and 5.5 give the same fraction.
Where do I convert inches to feet?
On the inches to feet page. That page starts from inches.
Sources
The international foot is exactly 12 inches.
Page updated in 2026.