Free length calculator

Millimeters to Feet Converter (mm to ft)

Enter a value to convert millimeters to feet. Results update as you type and include the calculation steps.

mm

Result

Enter a value above

How to convert millimeters to feet

Multiply the millimeters value by 0.0032808399.

ft = mm x 0.0032808399

Worked example

For 20 mm: 20 x 0.0032808399 = 0.065616798 ft.

The calculator keeps more precision internally than the number displayed, so repeated conversions remain accurate.

Millimeters to Feet conversion table

Millimeters (mm)Feet (ft)
0.1 mm0.00032808399 ft
1 mm0.0032808399 ft
2 mm0.0065616798 ft
5 mm0.016404199 ft
10 mm0.032808399 ft
20 mm0.065616798 ft
25 mm0.082020997 ft
50 mm0.16404199 ft
100 mm0.32808399 ft
250 mm0.82020997 ft
500 mm1.6404199 ft
1000 mm3.2808399 ft

About the units

Millimeter

A millimeter is one thousandth of a meter, one tenth of a centimeter, and exactly 1/25.4 of an inch.

Foot

A foot equals exactly 12 inches, 30.48 centimeters, or 0.3048 meters.