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Feet to Inches converter
Enter a number, fraction, power, π, or arithmetic expression.1 ft = 12 in inches = feet × 12
Ready for local conversionFeet to Inches formula
inches = feet × 12
1 foot = exactly 12 inches
The foot-to-inch ratio is exact, so whole feet always produce whole inches unless the foot input itself contains a fraction.
How to convert Feet to Inches
Multiply feet by 12. If a dimension is already written as feet plus inches, multiply only the feet by 12 and then add the existing inch portion.
Example calculation
A length of 5.5 ft is 66 inches: 5.5 × 12 = 66.
5.5 ft = 66 in
When this conversion is useful
Use feet to inches for material cutting, display sizes, workshop projects, fabric measurements, and forms that accept inches but not mixed units.
Common Feet to Inches conversions
| Feet (ft) | Inches (in) |
|---|---|
| 1 | 12 |
| 2 | 24 |
| 3 | 36 |
| 5.5 | 66 |
| 8 | 96 |
| 10 | 120 |
Feet to Inches FAQ
There are exactly 12 inches in one foot.
Multiply 5 by 12 to get 60, then add 8. The full height is 68 inches.
Yes. For example, 2.125 feet equals 25.5 inches because the fractional foot is also multiplied by 12.