Inches (in) Conversions

Inches (in) is a unit of length. Pick a converter below to convert Inches to any other length unit — each one shows the formula, a worked example and a reference table.


Quick Reference

1 in = 2.5400e+07 nm Nanometers
1 in = 25400 µm Micrometers
1 in = 25.4 mm Millimeters
1 in = 2.54 cm Centimeters
1 in = 0.0254 m Meters
1 in = 2.5400e-05 km Kilometers
1 in = 0.0833333 ft Feet
1 in = 0.0277778 yd Yards
1 in = 1.5783e-05 mi Miles
1 in = 1.3715e-05 nmi Nautical Miles

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Other length units