THE RIGHT UNIT. THE CLEAR ANSWER.

Length converter.

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

Length converter

Precision

From

0.3937007874in

THE RESULT

1 cm = 0.3937007874 in

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ONE VALUE, EVERY UNIT

Centimeter equivalents

Value

Convert to	Result	Calculator
Meter (m)	0.01 m
Kilometer (km)	0.00001 km
Millimeter (mm)	10 mm
Decimeter (dm)	0.1 dm
Micrometer (μm)	10,000 μm
Nanometer (nm)	10,000,000 nm
Inch (in)	0.3937007874 in
Foot (ft)	0.03280839895 ft
Yard (yd)	0.01093613298 yd
Mile (mi)	0.000006213711922 mi
Nautical mile (nmi)	0.000005399568035 nmi
Light-year (ly)	1.057000834e-18 ly

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All length units

mMeter kmKilometer cmCentimeter mmMillimeter dmDecimeter μmMicrometer nmNanometer inInch ftFoot ydYard miMile nmiNautical mile lyLight-year

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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