Imperial ↔ Metric Converter

Convert inches, feet, and board feet to millimetres, metres, and cubic units — and back.

feet (ft)0.0833333
yards (yd)0.0277778
millimetres (mm)25.4
centimetres (cm)2.54
metres (m)0.0254

Key conversions

1 inch = 25.4 mm
1 foot = 304.8 mm
1 yard = 914.4 mm
1 metre = 39.370 inches
1 board foot = 144 cubic inches
1 board foot = 2,359.74 cm³
1 sq foot = 929.03 cm²
1 sq metre = 10.764 sq feet