# How do I convert inches to feet?

Converts inches (in) to feet (ft) and back, with the exact unit definitions.

- Page: https://www.acalculator.org/convert/inches-to-feet
- JSON spec: https://www.acalculator.org/convert/inches-to-feet.json
- Version: 5b7309b2034f

## Default answer

Example with the default inputs (Inches (in) 1): 1 in = 0.083333 ft.

## Inputs

| Key | Label | Description |
| --- | --- | --- |
| value | Inches (in) | The amount in inches to convert. |
| result | Feet (ft) | The same amount in feet. |

## Outputs

| Key | Label | Description |
| --- | --- | --- |
| value | Inches (in) | The amount in inches to convert. |
| result | Feet (ft) | The amount in feet. |

## Method

ft = in × 0.0833333333333 (the same as in ÷ 12)

## Assumptions

- 1 inch = 0.0833333333333 feet, from the exact definitions in NIST SP 811.
- The answer shows at most 6 decimal places; the calculation keeps full precision.

## Worked examples

1. value = 1 gives result = 0.083333. Source: exact unit definitions in NIST SP 811 (2008), Appendix B.8.
2. value = 30 gives result = 2.5. Source: exact unit definitions in NIST SP 811 (2008), Appendix B.8.
3. result = 2.5 gives value = 30. Source: exact unit definitions in NIST SP 811 (2008), Appendix B.8.

## FAQ

### How many feet are in an inch?

1 inch is 0.083333 feet, from the exact unit definitions (NIST SP 811).

### How do I convert inches to feet?

Multiply by 0.083333: ft = in × 0.0833333333333 (the same as in ÷ 12). For example, 1 in × 0.083333 = 0.083333 ft.

### How do I convert feet back to inches?

Multiply by 12, or type the feet into the second box and the converter works it out. 1 foot is 12 inches.

## Sources

- NIST SP 811 (2008), Guide for the Use of the International System of Units, Appendix B.8. https://www.nist.gov/pml/special-publication-811