Feet to Inches Converter
Quick answer: To convert feet to inches, multiply by 12. For example, 10 ft is 120 in. One foot equals 12 in.
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Use the Feet to Inches Converter
Feet to Inches formula and what each symbol means
in = ft × 12
| Symbol | Meaning |
|---|---|
| ft | Foot |
| in | Inch |
Feet to Inches examples
1 ft
1 ft × 12 = 12 in.
10 ft
10 ft × 12 = 120 in.
100 ft
100 ft × 12 = 1,200 in.
Feet compared with Inches
One ft is 12 times as large as one in, so your number gets bigger when you convert feet to inches and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About feet and inches
Foot (ft): The international foot, exactly 0.3048 metres or 12 inches. Inch (in): The international inch, exactly 2.54 centimetres.
Where feet to inches conversions are used
Sports, aviation and shipping each keep their own favourites: yards on a football pitch, feet for altitude, nautical miles at sea. Road distances and maps use kilometres or miles, while building plans use metres, millimetres or feet.
How to calculate Feet to Inches step by step
- Enter the value in ft (the starting unit).
- Multiply by 12, because 1 ft = 12 in.
- The product is the value in in. To go back, divide by 12 or multiply by 0.08333333.
Popular length conversions
How to read your Feet to Inches result
Quick estimate: multiply by about 12 to get inches from feet; this is within 0.1% of the exact factor. Between metric and imperial, the key fact is that 1 inch is exactly 2.54 cm, which makes 1 foot exactly 0.3048 m, 1 yard exactly 0.9144 m and 1 mile exactly 1,609.344 m.
| FEET | INCHES |
|---|---|
| 1 | 12 |
| 2 | 24 |
| 5 | 60 |
| 10 | 120 |
| 20 | 240 |
| 50 | 600 |
| 100 | 1,200 |
| 1,000 | 12,000 |
Inches to Feet: quick table
| INCHES | FEET |
|---|---|
| 1 | 0.08333333 |
| 5 | 0.4166667 |
| 10 | 0.8333333 |
| 25 | 2.083333 |
| 50 | 4.166667 |
| 100 | 8.333333 |
| 250 | 20.83333 |
| 500 | 41.66667 |
Common mistakes when calculating Feet to Inches
- Rounding the factor too early, for example using 2.5 instead of 2.54 for inches.
- Dividing when you should multiply: from ft to in multiply by 12; from in to ft divide by 12.
Feet to Inches FAQ
How many in are in 1 ft?
1 ft equals 12 in.
How many ft are in 1 in?
1 in equals 0.08333333 ft.
Is 1 ft = 12 in an exact conversion?
Yes. The foot and the inch are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 12 is just that ratio shown to 7 significant figures.
What is an inch (in)?
The international inch, exactly 2.54 centimetres.
How can I estimate feet to inches in my head?
Quick estimate: multiply by about 12 to get inches from feet; this is within 0.1% of the exact factor.
What is 75 ft in inches?
75 ft = 900 in (since 75 × 12).
What is 300 ft in inches?
300 ft = 3,600 in (since 300 × 12).
What is 12 ft in inches?
12 ft = 144 in (since 12 × 12).
How many decimals should I keep when converting ft to in?
Match the precision of your original measurement. For example, 120 in rounds to 120 in at 3 significant figures; keep more digits only for engineering or scientific work.
More in Length converters
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- Feet to MM Converter
- CM to Miles Converter
- Feet to Yards Converter
- CM to Meters Converter
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the SI base units