How many mm is 10 ft?

10 ft = 3048.0 mm. Use this conversion factor for your calculations.

What's the exact conversion factor for foot to millimeter?

1 ft = 304.8 mm. This factor is based on the international standard meter definition.

Why would I need to convert foot to millimeter?

Different countries and industries use different measurement systems. This conversion bridges systems used globally.

Can I use quick mental math for foot to millimeter conversion?

For precision, use a calculator. But you can multiply foot by 304.8 for rough estimates.

Foot to Millimeter Converter

Enter a value to instantly convert between length units.

From

Precision4 dp

1 Foot = 304.8 Millimeter

Key Formulas

Centimeter → Inch

in = cm × 0.393701

Kilometer → Mile

mi = km × 0.621371

Foot → Meter

m = ft × 0.3048

Inch → Centimeter

cm = in × 2.54

Formula

mm = ft × 304.8

Foots work for general construction, millimeters for precision manufacturing and engineering. Machinists need this conversion for exact specifications.

Source: NIST SP 811, Table B.8

Last reviewed: 2026-06-11 · see our methodology

Frequently Asked Questions

Real-World Examples

1 foot equals 304.8 millimeters

1 ft = 304.8 mm

10 feet equals 3,048 millimeters

10 ft = 3048 mm

5 feet equals 1,524 millimeters

5 ft = 1524 mm

0.5 feet equals 152.4 millimeters

0.5 ft = 152.4 mm

cm to inches km to miles feet to meters inches to cm miles to km meters to feet

Foot to Millimeter Converter

Key Formulas

Formula

Frequently Asked Questions

Real-World Examples

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