How to use Feet to Inches
Enter the value in ft, then select Calculate. The result is shown in in. Enter decimal feet; 2 feet 6 inches should be entered as 2.5.
The formula
in = ft × 12
Examples
- 1 feet to inches
12 in
- 10 feet to inches
120 in
- 250 feet to inches
3,000 in
Feet to Inches conversion table
| Feet | Inches |
|---|---|
| 1 | 12 in |
| 2 | 24 in |
| 3 | 36 in |
| 4 | 48 in |
| 5 | 60 in |
| 6 | 72 in |
| 7 | 84 in |
| 8 | 96 in |
| 9 | 108 in |
| 10 | 120 in |
| 15 | 180 in |
| 20 | 240 in |
| 25 | 300 in |
| 30 | 360 in |
| 40 | 480 in |
| 50 | 600 in |
| 75 | 900 in |
| 100 | 1,200 in |
| 250 | 3,000 in |
| 500 | 6,000 in |
| 1,000 | 12,000 in |
Limitations and assumptions
Uses standard unit definitions. Results are rounded to at most eight decimal places; very small results may round to zero. Enter decimal feet; 2 feet 6 inches should be entered as 2.5.
Frequently asked questions
How many inches are in one foot?
One foot equals 12 in. The formula is in = ft × 12.
How do I convert feet to inches?
Use in = ft × 12. For example, 10 feet gives 120 in. Enter your own value above and the converter does the arithmetic for you.
How do I convert inches back to feet?
Use the Inches to Feet converter, or invert the factor by dividing instead of multiplying.
Is this conversion exact?
Every length conversion here hangs on one exact definition, 1 inch = 2.54 cm, so results are exact apart from display rounding.
Reference source
Checked against the official reference on nist.gov.
Formula, example and source checked 2026-11-09. This is a content check, not independent expert certification.