Light-year (ly)

A unit of length & distance.

Symbol: ly
System: astronomical
Category: Length & Distance
Exact?: Yes

Definition source: IAU: 1 ly = 365.25 d × c (exact).

Also written as: ly, lightyear, light year, light-year, light years

Common conversions from ly

1 ly = 9,460,730,472,580,800 m

Light-year → Meter

1 ly = 9,460,730,472,580.8 km

Light-year → Kilometer

1 ly = 94,607,304,725,808,000 dm

Light-year → Decimeter

1 ly = 946,073,047,258,080,000 cm

Light-year → Centimeter

1 ly = 9,460,730,472,580,800,000 mm

Light-year → Millimeter

1 ly = 9,460,730,472,580,801,000,000 μm

Light-year → Micrometer

1 ly = 9,460,730,472,580,800,000,000,000 nm

Light-year → Nanometer

1 ly = 372,469,703,644,913,400 in

Light-year → Inch

1 ly = 31,039,141,970,409,450 ft

Light-year → Foot

1 ly = 10,346,380,656,803,150 yd

Light-year → Yard

1 ly = 5,878,625,373,183.61 mi

Light-year → Mile

1 ly = 5,108,385,784,330.89 nmi

Light-year → Nautical mile