Length calculator
Feet to Inches Converter
Convert feet (ft) to inches (in) with the exact length formula, worked examples, and a common-values table.
Exact conversion
Feet to inches formula
in = ft × 12
1 ft equals 12 in. 10 ft equals 120 in.
About these units
- ft
- Foot, an imperial and US customary length unit equal to 12 inches or 0.3048 meters. It is used for building dimensions, land measurements, heights, and survey conversions.
- in
- Inch, a common imperial length unit.
Before you use the result
ft to in context and checks
- Best use
- Use length conversions for dimensions, distances, survey notes, product specs, and engineering sketches where both units measure one-dimensional length.
- Common mistake
- Check whether the source is length, area, speed, diameter, or a historical survey unit before applying a simple length factor.
- Precision note
- Preserve the original value until the last step, then round to the tolerance required by the drawing, label, or task.
Example check: 1 ft converts to 12 in. Use this known value to sanity-check a spreadsheet, homework solution, spec sheet, or manual calculation.
Common ft to in conversion table
| ft | in |
|---|---|
| 1 ft | 12 in |
| 5 ft | 60 in |
| 10 ft | 120 in |
| 25 ft | 300 in |
| 50 ft | 600 in |
| 100 ft | 1200 in |
FAQ8 common questions for this calculator.
FAQs
How do I convert feet to inches?+
Use this formula: in = ft × 12. Enter the ft value and the calculator applies the relationship immediately.
How many in are in 1 ft?+
1 ft equals 12 in.
What is 10 ft in in?+
10 ft equals 120 in. The displayed result may be rounded, while the calculator keeps full precision internally.
Can I convert inches back to feet?+
Yes. Use Swap in the converter to reverse the units and calculate in to ft.
How does the Feet to Inches Converter calculate the result?+
For the Feet to Inches Converter, it uses the Feet to inches formula: in = ft × 12. 1 ft equals 12 in. 10 ft equals 120 in.
What information do I need to use the Feet to Inches Converter?+
Enter the values requested by the form, keep units consistent, and use the displayed assumptions to decide whether the Feet to Inches Converter matches your scenario.
How accurate is the Feet to Inches Converter?+
Feet to Inches Converter is accurate for the values and assumptions entered on this page. It uses the Feet to inches formula. Recheck the inputs before relying on the estimate.
What should I check before using the Feet to Inches Converter result?+
For the Feet to Inches Converter, check that the units, inputs, and assumptions match your situation. Change one input at a time to understand which values have the largest effect on the result.
RelatedNearby length converters that share units or direction.
Length conversion tools
Length guide
How to use the Feet to Inches Converter
Convert feet (ft) to inches (in) with the exact length formula, worked examples, and a common-values table. Use the instant result for the feet to inches conversion, then check the common-value table, reverse link, and unit notes before copying the answer.
- 1
Enter Feet
Type the feet value you want to convert. Decimal values work when you need a partial unit.
- 2
Read Inches
Use the main result for the exact inches value, then scan the common-value table for nearby reference points.
- 3
Confirm Feet to Inches
Confirm the feet to inches unit symbols before using the number in a report, product listing, invoice, or assignment.