Unit Converters

mm to Feet (Length Conversion)

Convert millimeters to feet and back using the exact 304.8 mm per foot definition. The factor comes from the 1959 International Yard and Pound Agreement.

Try
Converted length
1 ft

304.8 mm → feet

Conversion factor
÷304.8
1 mm equals
0.003281 ft
Conversion factors are exact; rounding may affect the final digit.
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How it's calculated

ft = mm ÷ 304.8

mm = millimetres, ft = feet. 1 ft = 304.8 mm exactly. Reverse: mm = ft × 304.8.

Common values

MillimetersFeet
100 mm0.328 ft
304.8 mm1 ft
1000 mm3.281 ft
3048 mm10 ft

Common questions

How many millimeters are in a foot?

Exactly 304.8 millimeters, a value fixed by the 1959 international agreement on the yard and pound.

How do I convert feet to millimeters?

Multiply the number of feet by 304.8, or just type the value into the feet field to let the calculator do it.