Length converter
Feet to Inches
If you need to know how many Inches one Feet contains, the answer is 12. The conversion is linear, so 10 ft is 120 in and 100 ft is 1,200 in. Use the converter for any other value.
Formula 1 ft = 12 in
Need the other direction? Inches to Feet.
How to convert Feet to Inches
The foot is exactly 0.3048 metres, or twelve inches. The inch is defined as exactly 2.54 centimetres, which anchors the whole imperial length system.
To convert Feet to Inches, multiply the value in ft by 12. For example, 10 ft × 12 = 120 in. This works because the ratio between the two units is constant for every value in length.
Worked examples
| ft | in |
|---|---|
| 1 ft | 12 in |
| 2.5 ft | 30 in |
| 5 ft | 60 in |
| 10 ft | 120 in |
| 25 ft | 300 in |
| 50 ft | 600 in |
| 100 ft | 1,200 in |
Reverse conversion
| in | ft |
|---|---|
| 1 in | 0.08333333 ft |
| 5 in | 0.41666667 ft |
| 10 in | 0.83333333 ft |
| 25 in | 2.083333 ft |
| 50 in | 4.166667 ft |
| 100 in | 8.333333 ft |
When this conversion is useful
This is the calculation you need when you are working across metric and imperial measurements, shopping abroad or reading a spec sheet. Because the factor is fixed, you can use the same number for a single measurement or for a batch: 1,000 ft is 12,000 in.
Is the conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Reference: BIPM SI Brochure and NIST SP 811. Last reviewed: 2026-11-01.
ft to in conversion chart
The chart lists the most requested values. For a value that is not here, use the converter at the top of the page.
| Feet (ft) | Inches (in) |
|---|---|
| 1 ft | 12 in |
| 2 ft | 24 in |
| 3 ft | 36 in |
| 4 ft | 48 in |
| 5 ft | 60 in |
| 6 ft | 72 in |
| 7 ft | 84 in |
| 8 ft | 96 in |
| 9 ft | 108 in |
| 10 ft | 120 in |
| 11 ft | 132 in |
| 12 ft | 144 in |
| 13 ft | 156 in |
| 14 ft | 168 in |
| 15 ft | 180 in |
| 16 ft | 192 in |
| 17 ft | 204 in |
| 18 ft | 216 in |
| 19 ft | 228 in |
| 20 ft | 240 in |
| 21 ft | 252 in |
| 22 ft | 264 in |
| 23 ft | 276 in |
| 24 ft | 288 in |
| 25 ft | 300 in |
| 26 ft | 312 in |
| 27 ft | 324 in |
| 28 ft | 336 in |
| 29 ft | 348 in |
| 30 ft | 360 in |
| 31 ft | 372 in |
| 32 ft | 384 in |
| 33 ft | 396 in |
| 34 ft | 408 in |
| 35 ft | 420 in |
| 36 ft | 432 in |
| 37 ft | 444 in |
| 38 ft | 456 in |
| 39 ft | 468 in |
| 40 ft | 480 in |
| 41 ft | 492 in |
| 42 ft | 504 in |
| 43 ft | 516 in |
| 44 ft | 528 in |
| 45 ft | 540 in |
| 46 ft | 552 in |
| 47 ft | 564 in |
| 48 ft | 576 in |
| 49 ft | 588 in |
| 50 ft | 600 in |
| 60 ft | 720 in |
| 70 ft | 840 in |
| 80 ft | 960 in |
| 90 ft | 1,080 in |
| 100 ft | 1,200 in |
Frequently asked questions
How many Inches are in 1 Feet?
1 ft equals 12 in.
How do I convert Feet to Inches?
Multiply the ft value by 12. Example: 25 ft = 300 in.
What is 2.5 ft in in?
2.5 ft = 30 in.
Is the ft to in conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Does the calculator work offline?
Yes. The conversion runs in your browser with JavaScript, so it works after the page has loaded, even without a connection.