THE RIGHT UNIT. THE CLEAR ANSWER.

Light-year converter.

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

Length converter

Precision

From

3.724697036e17in

THE RESULT

1 ly = 3.724697036e17 in

Calculated in your browserFormula & conversion table

ONE VALUE, EVERY UNIT

Light-year equivalents

Value

Convert to	Result	Calculator
Meter (m)	9.460730473e15 m
Kilometer (km)	9.460730473e12 km
Centimeter (cm)	9.460730473e17 cm
Millimeter (mm)	9.460730473e18 mm
Decimeter (dm)	9.460730473e16 dm
Micrometer (μm)	9.460730473e21 μm
Nanometer (nm)	9.460730473e24 nm
Inch (in)	3.724697036e17 in
Foot (ft)	3.103914197e16 ft
Yard (yd)	1.034638066e16 yd
Mile (mi)	5.878625373e12 mi
Nautical mile (nmi)	5.108385784e12 nmi

BROWSE BY UNIT

Convert light-year to…

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

STRAIGHT TO THE ANSWER

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