Feet to Inches Converter
1 foot is exactly 12 inches. To convert feet to inches, multiply by 12.
Sources: NIST SP 811, NIST Handbook 44 Updated
Result
1 ft = 12 in
How to convert feet to inches
inches = feet × 12
1 foot is exactly 0.3048 meter (12 inches). 1 inch is exactly 25.4 millimeters.
The factor 12 is exact, not a rounded value. Nothing is rounded until you choose how many decimals to show.
Worked example: 5.5 ft
- Start with the value in feet: 5.5 ft.
- Multiply by 12, because 1 foot = 12 inches: 5.5 × 12 = 66 in.
- On a tape measure that is 66 in to the nearest 1/16.
Feet and inches side by side
Feet to inches chart
Feet from 1 to 100 converted to inches with the exact factor, shown to five significant digits.
| ft | in | in, nearest 1/16 |
|---|---|---|
| 1 | 12 | 12 |
| 2 | 24 | 24 |
| 3 | 36 | 36 |
| 4 | 48 | 48 |
| 5 | 60 | 60 |
| 6 | 72 | 72 |
| 7 | 84 | 84 |
| 8 | 96 | 96 |
| 9 | 108 | 108 |
| 10 | 120 | 120 |
| 11 | 132 | 132 |
| 12 | 144 | 144 |
| 13 | 156 | 156 |
| 14 | 168 | 168 |
| 15 | 180 | 180 |
| 16 | 192 | 192 |
| 17 | 204 | 204 |
| 18 | 216 | 216 |
| 19 | 228 | 228 |
| 20 | 240 | 240 |
| 21 | 252 | 252 |
| 22 | 264 | 264 |
| 23 | 276 | 276 |
| 24 | 288 | 288 |
| 25 | 300 | 300 |
| ft | in | in, nearest 1/16 |
|---|---|---|
| 26 | 312 | 312 |
| 27 | 324 | 324 |
| 28 | 336 | 336 |
| 29 | 348 | 348 |
| 30 | 360 | 360 |
| 31 | 372 | 372 |
| 32 | 384 | 384 |
| 33 | 396 | 396 |
| 34 | 408 | 408 |
| 35 | 420 | 420 |
| 36 | 432 | 432 |
| 37 | 444 | 444 |
| 38 | 456 | 456 |
| 39 | 468 | 468 |
| 40 | 480 | 480 |
| 41 | 492 | 492 |
| 42 | 504 | 504 |
| 43 | 516 | 516 |
| 44 | 528 | 528 |
| 45 | 540 | 540 |
| 46 | 552 | 552 |
| 47 | 564 | 564 |
| 48 | 576 | 576 |
| 49 | 588 | 588 |
| 50 | 600 | 600 |
| ft | in | in, nearest 1/16 |
|---|---|---|
| 51 | 612 | 612 |
| 52 | 624 | 624 |
| 53 | 636 | 636 |
| 54 | 648 | 648 |
| 55 | 660 | 660 |
| 56 | 672 | 672 |
| 57 | 684 | 684 |
| 58 | 696 | 696 |
| 59 | 708 | 708 |
| 60 | 720 | 720 |
| 61 | 732 | 732 |
| 62 | 744 | 744 |
| 63 | 756 | 756 |
| 64 | 768 | 768 |
| 65 | 780 | 780 |
| 66 | 792 | 792 |
| 67 | 804 | 804 |
| 68 | 816 | 816 |
| 69 | 828 | 828 |
| 70 | 840 | 840 |
| 71 | 852 | 852 |
| 72 | 864 | 864 |
| 73 | 876 | 876 |
| 74 | 888 | 888 |
| 75 | 900 | 900 |
| ft | in | in, nearest 1/16 |
|---|---|---|
| 76 | 912 | 912 |
| 77 | 924 | 924 |
| 78 | 936 | 936 |
| 79 | 948 | 948 |
| 80 | 960 | 960 |
| 81 | 972 | 972 |
| 82 | 984 | 984 |
| 83 | 996 | 996 |
| 84 | 1,008 | 1008 |
| 85 | 1,020 | 1020 |
| 86 | 1,032 | 1032 |
| 87 | 1,044 | 1044 |
| 88 | 1,056 | 1056 |
| 89 | 1,068 | 1068 |
| 90 | 1,080 | 1080 |
| 91 | 1,092 | 1092 |
| 92 | 1,104 | 1104 |
| 93 | 1,116 | 1116 |
| 94 | 1,128 | 1128 |
| 95 | 1,140 | 1140 |
| 96 | 1,152 | 1152 |
| 97 | 1,164 | 1164 |
| 98 | 1,176 | 1176 |
| 99 | 1,188 | 1188 |
| 100 | 1,200 | 1200 |
inches = feet × 12. Factors: NIST SP 811, NIST Handbook 44. unitcheck.net/length/feet-to-inches/
Common values
| Feet | Inches | What it is |
|---|---|---|
| 1 ft | 12 in | |
| 3 ft | 36 in | 1 yard |
| 5.5 ft | 66 in | 5 ft 6 in |
| 10 ft | 120 in | |
| 5280 ft | 63,360 in | 1 mile |
Going the other way? Use the Inches to Feet converter.
Frequently asked questions
How many inches are in 1 foot?
1 foot is exactly 12 inches. 1 inch is exactly 25.4 millimeters.
How do I convert feet to inches?
Multiply by 12: inches = feet × 12. For example, 5.5 ft = 66 in.
How many feet are in 1 inch?
1 inch is about 0.0833333 feet. To go the other way, use the inches to feet converter.
Is the ft to in conversion exact?
Yes. 1 inch is exactly 25.4 millimeters. The factor 12 follows from the definitions, so the only rounding is in the number of decimals you display.
How do I get the result as a fraction of an inch?
Switch on “Inch fractions” under the converter and choose 1/16, 1/32 or 1/64. The result is rounded to the nearest mark and the size of the rounding error is shown next to it, so you can see whether the nearest tape-measure mark is close enough.
Sources
- NIST Special Publication 811, Guide for the Use of the International System of Units, Appendix B.8: Factors for Units Listed Alphabetically — exact factors are printed in bold in the NIST table (checked October 12, 2026)
- NIST Handbook 44 (2026), Appendix C: General Tables of Units of Measurement — US customary units and their exact relationships (checked October 12, 2026)