Feet to inches
One ft equals 12 in. Type any number and the answer appears as you type — the maths happens in your browser.
Result
The same value in every unit
| Unit | Value |
|---|
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Common values
| feet | inches |
|---|---|
| 1 ft | 12 in |
| 2 ft | 24 in |
| 3 ft | 36 in |
| 5 ft | 60 in |
| 10 ft | 120 in |
| 15 ft | 180 in |
| 20 ft | 240 in |
| 25 ft | 300 in |
| 50 ft | 600 in |
| 100 ft | 1200 in |
| 500 ft | 6000 in |
| 1000 ft | 12000 in |
How to use
- Enter the number of feet in the field.
- The result in inches updates on every keystroke.
- Use the table below for the values people look up most often.
Formula and reverse conversion
The formula
To convert by hand: in = ft × 12. Going back the other way, one in is 0.08333333333 ft.
Where the odd number comes from
The factor is not a round number because the imperial units are defined through the metric ones by international agreement: an inch is exactly 25.4 mm and a pound is exactly 0.45359237 kg. Everything else follows from those definitions.
in = ft × 12
Frequently asked questions
How many inches are in one feet?
One ft is 12 in.
How do I convert feet to inches?
Multiply by the factor: in = ft × 12.
Is the result exact?
The factors are the exact legal definitions, and up to ten significant digits are kept in the answer. Rounding happens only in the display.
How do I convert inches back to feet?
One in is 0.08333333333 ft — or open the reverse page linked below.