How Many Inches in a Foot?
There are exactly 12 inches in one foot.
How to Convert Feet to Inches
To convert feet to inches, multiply by 12.
For example: 5 feet × 12 = 60 inches.
Why This Number Matters
This is the first conversion anyone does with a tape measure, and the one that makes feet-and-inches arithmetic awkward: carpentry, height and room dimensions all mix the two.
A 7-foot ceiling is 84 inches, which is why a 80-inch door leaves only 4 inches of header above it.
What People Get Wrong
A height written as 5.9 feet is not 5 feet 9 inches. 5.9 feet is 5 feet 10.8 inches, because the decimal is tenths of a foot, not inches.
Feet to Inches Conversion Table
| Feet (ft) | Inches (in) |
|---|---|
| 1 | 12 |
| 2 | 24 |
| 3 | 36 |
| 4 | 48 |
| 5 | 60 |
| 6 | 72 |
| 7 | 84 |
| 8 | 96 |
| 9 | 108 |
| 10 | 120 |
| 11 | 132 |
| 12 | 144 |
| 13 | 156 |
| 14 | 168 |
| 15 | 180 |
| 16 | 192 |
| 17 | 204 |
| 18 | 216 |
| 19 | 228 |
| 20 | 240 |
| 25 | 300 |
| 30 | 360 |
| 40 | 480 |
| 50 | 600 |
| 75 | 900 |
| 100 | 1,200 |
| 250 | 3,000 |
| 500 | 6,000 |
| 1,000 | 12,000 |
About These Units
The foot
One foot is 12 inches, or exactly 0.3048 meters. It is the everyday American unit for human height, ceiling heights, room dimensions and aviation altitude.
The inch
The inch is exactly 2.54 centimeters by international agreement. Americans use it for screen sizes, lumber, rainfall, tire rims and body height together with feet.
Definitions follow NIST Special Publication 811, Appendix B. See how we calculate for the exact values and rounding rules.
Frequently Asked Questions
How do I convert feet and inches to inches?
Multiply the feet by 12 and add the inches. 5 feet 9 inches is 60 plus 9, or 69 inches.
How many inches in 6 feet?
6 feet is 72 inches, since 6 times 12 is 72.
How many inches in a yard?
A yard is 3 feet, which is 36 inches.
Why 12 inches and not 10?
Twelve divides evenly by 2, 3, 4 and 6, which made halves, thirds and quarters easy to mark out before decimals were in common use.