Feet to Inches Converter
Convert feet to inches by multiplying by 12, or inches back to feet. Enter a length in feet or inches and get the result plus a centimeters equivalent.
Example: with Length 10 · Direction Feet → Inches → Result: 120 in.
- Also10 ft = 304.8 cm
- Conversion factor1 ft = 12 in exactly
Computed by the calculator below using its default values. Change any input to see your own numbers.
One foot is exactly 12 inches. Inches = feet × 12; feet = inches ÷ 12. One inch is exactly 2.54 cm, so 1 ft = 30.48 cm.
Feet and inches, twelve to one
The foot and the inch are both US customary length units, locked together by a fixed ratio: twelve inches make one foot. So converting feet to inches is a single multiplication by 12, and inches back to feet is a division by 12. Ten feet is 120 inches; six feet is 72 inches.
When a length is not a whole number of feet, the tidy way to read it is feet plus leftover inches. Seventy-two inches is exactly 6 feet 0 inches, while 74 inches is 6 feet 2 inches. This tool also shows centimeters, using the exact 1 inch = 2.54 cm, so you can cross into metric in the same step.
How it’s calculated
Inches = feet × 12; feet = inches ÷ 12. One foot is defined as exactly 12 inches, and one inch as exactly 2.54 cm, giving 1 ft = 30.48 cm. Feet outputs round to 4 decimals; the feet-and-inches breakdown uses the whole feet plus the remainder.
US customary and international foot, which are identical for these lengths. The US survey foot differs by a few parts per million and is not used.
Feet to inches reference
| Feet | Inches | Centimeters |
|---|---|---|
| 1 ft | 12 in | 30.48 cm |
| 3 ft | 36 in | 91.44 cm |
| 5 ft | 60 in | 152.4 cm |
| 6 ft | 72 in | 182.88 cm |
| 10 ft | 120 in | 304.8 cm |
Computed with 1 ft = 12 in and 1 in = 2.54 cm, both exact.
Common mistakes
- Multiplying by 10 instead of 12 — a metric habit that undercounts inches by about 17%.
- Dividing when converting feet to inches; feet to inches makes the number bigger, so multiply.
- Forgetting leftover inches: 74 inches is 6 ft 2 in, not 6.2 ft.
Frequently asked questions
How many inches are in 10 feet?
10 × 12 = 120 inches. Each foot holds exactly 12 inches.
What is the formula for feet to inches?
Inches = feet × 12. To reverse it, divide inches by 12 to get feet.
How do I convert inches to feet and inches?
Divide the inches by 12 for whole feet, and the remainder is the leftover inches. 74 ÷ 12 = 6 feet with 2 inches left over.
How many centimeters is a foot?
Exactly 30.48 cm, since one inch is 2.54 cm and a foot is 12 inches.