Millimeters to feet

Type a value in millimeters to see it in feet straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the millimeters box.
  2. Read the result in feet as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

ft = mm × 0.003280839895

Multiply the value in millimeters by 0.003280839895 to get feet.

Example

To convert 25 mm to feet: 25 × 0.003280839895 = 0.082021 ft.

Conversion table

Millimeters (mm)Feet (ft)
10.00328084
20.00656168
30.00984252
50.0164042
100.0328084
200.0656168
250.082021
500.164042
1000.328084
2500.82021
5001.64042
1,0003.28084

About the units

Millimeter
A millimeter is one thousandth of a meter, common in engineering drawings and thickness measurements.
Foot
The international foot is 12 inches, exactly 0.3048 meter, used for height, altitude and building sizes.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many feet are in one millimeter?

1 mm = 0.00328084 ft exactly.

How do I convert millimeters to feet?

Use ft = mm × 0.003280839895. For example, 25 mm = 0.082021 ft.

How many millimeters are in one foot?

1 ft = 304.8 mm.

Are the inch, foot and mile factors exact or rounded?

They are exact by definition. Since the 1959 agreement one inch is exactly 2.54 cm, one foot 0.3048 m and one mile 1609.344 m.

What is the difference between a mile and a nautical mile?

A statute mile is 1609.344 meters and is used on roads. A nautical mile is 1852 meters and is used at sea and in aviation.