THE RIGHT UNIT. THE CLEAR ANSWER.

Inch converter.

From everyday measurements to astronomical distances. Convert metric, imperial, and nautical units.

Length converter

Precision

From

0.0254m

THE RESULT

1 in = 0.0254 m

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ONE VALUE, EVERY UNIT

Inch equivalents

Value

Convert to	Result	Calculator
Meter (m)	0.0254 m
Kilometer (km)	0.0000254 km
Centimeter (cm)	2.54 cm
Millimeter (mm)	25.4 mm
Decimeter (dm)	0.254 dm
Micrometer (μm)	25,400 μm
Nanometer (nm)	25,400,000 nm
Foot (ft)	0.08333333333 ft
Yard (yd)	0.02777777778 yd
Mile (mi)	0.00001578282828 mi
Nautical mile (nmi)	0.00001371490281 nmi
Light-year (ly)	2.684782118e-18 ly

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Explore length conversions

The conversions you reach for.

cm→mCentimeter to Meter cm→kmCentimeter to Kilometer cm→mmCentimeter to Millimeter cm→dmCentimeter to Decimeter cm→μmCentimeter to Micrometer cm→nmCentimeter to Nanometer cm→inCentimeter to Inch cm→ftCentimeter to Foot

About length conversions

From everyday measurements to astronomical distances. Convert metric, imperial, and nautical units.

Each unit is defined relative to one common base unit, so the same factors work consistently in both directions. Select any unit above to see its conversion formula, a worked example, and a reference table.

How precision and conventions work