1 foot = 12 inches
Twelve inches to the foot. Heights are spoken as feet and inches, so 5'10" is 70 inches, or 177.8 cm.
Formula in = ft × 12
Type in either field — the other updates on every keystroke. Need other units? Open the full length converter.
| Foot | Inch |
|---|---|
| 1 ft | 12 in |
| 2 ft | 24 in |
| 3 ft | 36 in |
| 4 ft | 48 in |
| 5 ft | 60 in |
| 10 ft | 120 in |
| 15 ft | 180 in |
| 20 ft | 240 in |
| 25 ft | 300 in |
| 50 ft | 600 in |
| 100 ft | 1200 in |
| 500 ft | 6000 in |
| 1000 ft | 12000 in |
| Inch | Foot |
|---|---|
| 1 in | 0.083333 ft |
| 2 in | 0.166667 ft |
| 3 in | 0.25 ft |
| 4 in | 0.333333 ft |
| 5 in | 0.416667 ft |
| 10 in | 0.833333 ft |
| 15 in | 1.25 ft |
| 20 in | 1.666667 ft |
| 25 in | 2.083333 ft |
| 50 in | 4.166667 ft |
| 100 in | 8.333333 ft |
| 500 in | 41.666667 ft |
| 1000 in | 83.333333 ft |
| Situation | From | To |
|---|---|---|
| One foot | 1 ft | 12 in |
| A shelf | 2.5 ft | 30 in |
| Short person | 5 ft | 60 in |
| Height | 5.5 ft | 66 in |
| Six-foot person | 6 ft | 72 in |
| Ladder | 10 ft | 120 in |
Multiply by 12, which is ×10 plus ×2. 6 ft is 60 + 12 = 72 in.
Heights, shelves, ceilings and cables are given in feet and inches. A height of 5 ft 9 in is 69 in.
Decimal feet are not feet and inches: 6.5 ft is 6 ft 6 in, but 6.25 ft is 6 ft 3 in.
Twelve inches to the foot is a legacy of duodecimal counting. The word inch comes from the Latin uncia, meaning a twelfth.
Related guides: Imperial vs metric: differences and quick conversion tricks