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Convert ft to mi
1 ft = 0.000189393939394 mi
Type a value in feet and the answer in miles appears as you go. The conversion is exactly 0.000189393939394 mi to the foot, and it happens on your own machine — this page asks nothing of a server once it has loaded.
Where it runs
In your browser. The number you type is never part of a request.
Exact by definition
1 ft is exactly 0.000189393939394 mi — a definition, not a rounded factor.
Answers as you type
No button, no wait. The worked answer is already on the page before any script runs.
Foot and Mile
A foot is twelve inches, and it is the unit heights and room sizes are quoted in across the United States. Aviation uses it worldwide for altitude, including in countries that use metres for everything else.
A mile is 1,760 yards — a number that comes from a Roman thousand paces, adjusted by an Elizabethan statute to fit the furlong. It is exactly 1,609.344 metres.
feet to miles in practice
6 ft is 0.001136 mi
— a tall doorway.
10 ft is 0.001894 mi
— a basketball hoop, which is exactly ten feet.
feet to miles at a glance
| ft | mi |
|---|---|
| 1 | 0.000189393939394 |
| 2 | 0.000378787878788 |
| 3 | 0.000568181818182 |
| 5 | 0.00094696969697 |
| 10 | 0.00189393939394 |
| 20 | 0.00378787878788 |
| 50 | 0.0094696969697 |
| 100 | 0.0189393939394 |
Every figure here is computed from the same definition the calculator uses, so the table cannot drift away from the answer above it.
Convert ft to mi: common questions
How many miles are in a foot?
Exactly 0.000189393939394. One foot is 0.000189393939394 miles, and the box above will do it for any figure you type.
Is this conversion exact, or rounded?
The ratio is exact. It is not a rounded constant typed into a table: it is derived from the definitions of the two units, so it agrees with any other correct converter to as many digits as you care to compare.
Why does another converter show a slightly different number?
Almost always rounding rather than disagreement. Many converters cut the answer to two or four decimals, and some carry a factor that was rounded before the multiplication rather than after. The figures here are computed from the exact definitions and only rounded on the way to the screen.
Where these figures come from
The claims this page makes about length units are checkable, and these are the documents that settle them.
How this page works
The factor is a constant in the page and the arithmetic is four operations, so nothing is sent anywhere and nothing needs to be. The number you type never leaves the browser — there is no request for it to travel in.