Feet to Inches
Convert feet to inches with a calculator and a lookup table. The ratio is 12, so 1 ft = 12 in; examples and the reverse direction included.
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How feet convert to inches
The unit table behind the converter relates feet and inches through one ratio, and that ratio works out to 12. In other words, 1 ft = 12 in.
Because the relationship is a plain ratio, doubling the feet doubles the inches, and 0 ft stays 0 in. The inverse ratio is 0.083333333, meaning 1 in = 0.083333333 ft.
Feet and their value in inches
The table below lists 12 amounts of feet next to the matching inches. The amounts were picked to suit a ratio of 12, so the results stay easy to read.
| Feet (ft) | Inches (in) |
|---|---|
| 0.5 | 6 |
| 1 | 12 |
| 2 | 24 |
| 5 | 60 |
| 10 | 120 |
| 20 | 240 |
| 25 | 300 |
| 50 | 600 |
| 100 | 1,200 |
| 250 | 3,000 |
| 500 | 6,000 |
| 1,000 | 12,000 |
These figures are generated, not typed in by hand, and follow the widget's rounding rules described in the questions further down.
Three sample conversions from feet to inches
Example 1. Start with 5.5 ft. Multiply 5.5 by 12 and the converter shows 66 in.
A second amount, 85 feet, becomes 1,020 inches. Converting that result in the opposite direction recovers about 85 ft.
Working backwards, an amount of 750 in corresponds to 62.5 ft.
Converting inches back to feet
The mirror-image page is Inches to Feet, where 1 in = 0.083333333 ft. Its table and examples use inches as the starting unit.
The full Length Converter lets you choose any two units from the same list, not only ft and in.
Related conversions for feet and inches
Other pairs that use the same unit table are listed here.
Frequently asked questions
What is 1 ft in in?
One foot equals 12 inches. The relationship is linear, so 10 ft is 120 in and 100 ft is 1,200 in.
How many ft make up 1 in?
1 in = 0.083333333 ft. The reverse ratio is the reciprocal of 12, so 10 in comes to 0.83333333 ft.
What is 1.5 feet in inches?
1.5 ft converts to 18 in, using the ratio 12 between the two units.
How many decimal places does the ft to in converter show?
Rounding happens only when a result is displayed. Between 1 and 1,000 the display has 10 significant digits, under 1 it has 8, and from 1,000 up it allows 6 decimals with comma separators; very large or very small results switch to scientific notation. Entering 0.123456789 ft shows 1.481481468 in, and 1,234.5678 ft shows 14,814.8136 in.
Which formula does the ft-to-in converter use?
Conversion goes through a shared reference unit: ft is scaled into it, and the result is scaled out into in. The two steps combine into one multiplication by 12.
How do I turn inches into feet?
The page titled "Inches to Feet" covers it, or you can press the swap button in the widget above. In the reverse direction multiply by 0.083333333, or equivalently divide by 12, giving 2.083333333 ft for an input of 25 in.
Learn more from an authoritative source:
NISTInches to Feet Converter
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