How feet and inches are converted
A foot is exactly 12 inches, so the conversion is one multiplication or division.
inches = feet × 12, and feet = inches ÷ 12
- Multiply feet by 12 to get inches. To go back, divide inches by 12.
- For feet and inches, multiply the feet by 12 and add the inches. 5 ft 7 in is 5 × 12 + 7 = 67 in.
- To split inches back into feet and inches, take out whole lots of 12. 100 in is 8 ft 4 in.
- For centimetres, multiply inches by 2.54. An inch is exactly 2.54 cm.
Worked example — 5.5 ft × 12 = 66 in, which is 167.64 cm or 5 ft 6 in.
Common lengths converted
| Feet | Inches | Centimetres |
|---|---|---|
| 1 ft | 12 in | 30.48 cm |
| 2 ft | 24 in | 60.96 cm |
| 3 ft | 36 in | 91.44 cm |
| 4 ft | 48 in | 121.92 cm |
| 5 ft | 60 in | 152.4 cm |
| 5.5 ft | 66 in | 167.64 cm |
| 6 ft | 72 in | 182.88 cm |
| 6.5 ft | 78 in | 198.12 cm |
| 7 ft | 84 in | 213.36 cm |
| 8 ft | 96 in | 243.84 cm |
| 10 ft | 120 in | 304.8 cm |
| 12 ft | 144 in | 365.76 cm |
Swipe the table sideways to see the rest.
To go the other way, choose the Inches to feet direction.
Things to consider
- 5.5 ft is 5 ft 6 in, not 5 ft 5 in. The decimal is a fraction of a foot, not inches.
- Heights are usually written like 5'7", where ' means feet and " means inches.
- For a room, convert each wall on its own before you multiply them together.
- Rounding to the nearest half inch is usually enough for heights and furniture.
Frequently asked questions
How many inches are in a foot?
Exactly 12 inches. Three feet, or one yard, is 36 inches.
How do I convert feet to inches?
Multiply by 12. 5.5 ft × 12 = 66 in.
How do I convert 5'7" to inches?
Multiply the feet by 12 and add the inches: 5 × 12 + 7 = 67 in. That is 170.18 cm.
How do I turn inches into feet and inches?
Divide by 12. The whole number is the feet and the remainder is the inches. 67 in is 5.5833 ft, or 5 ft 7 in.
How do I convert feet and inches to centimetres?
Convert to inches first, then multiply by 2.54. 5 ft 7 in is 67 in, which is 170.18 cm. For metres, use the Feet to Meters Converter.
Results are estimates for general information only, not financial, medical or professional advice.