MM to Feet Converter
Convert millimeter to foot instantly. 1 mm = 0.003280839895 ft, worked steps and a full reference table.
How to use it
- Type the value in millimeter — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 mm | 0.003280839895 ft |
| 5 mm | 0.01640419948 ft |
| 10 mm | 0.03280839895 ft |
| 100 mm | 0.3280839895 ft |
One millimeter equals 0.0032808399 feet (ft). To convert millimeters to feet, multiply by 0.0032808399; to go back the other way, multiply by 304.8 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What millimeters and feet actually measure
Millimeter (mm) — A millimetre is a thousandth of a metre, and the smallest division on a normal ruler. Engineering drawings, timber and steel sizes, rainfall and screen bezels.
Foot (ft) — A foot is twelve inches, or exactly 0.3048 metres. Heights, room dimensions, aviation altitude and property listings in the US and UK.
MM to Feet conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| mm | ft |
|---|---|
| 1 mm | 0.0032808399 ft |
| 2 mm | 0.0065616798 ft |
| 5 mm | 0.016404199 ft |
| 10 mm | 0.032808399 ft |
| 25 mm | 0.082020997 ft |
| 50 mm | 0.16404199 ft |
| 100 mm | 0.32808399 ft |
How to convert millimeters to feet by hand
Multiply the number of millimeters by 0.0032808399.
For example, 25 mm × 0.0032808399 = 0.082020997 ft.
Going the other way, divide by 0.0032808399 — or multiply by 304.8, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many ft are in 1 mm?
1 mm equals exactly 0.003280839895 ft. Multiply any value in millimeter by 0.003280839895 to get foot.
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Last updated 18 August 2026