Convert light years (ly) to millimeters (mm) with formulas, examples, and conversion tables.
To convert 1 light years to millimeters, we multiply by 9.461e+18 because one light year equals exactly 9.461e+18 millimeters.
Since each light year contains 9.461e+18 millimeters, we multiply our value by this factor:
So 1 light years = 9.461e+18 millimeters.
To convert light years to millimeters, multiply the value by 9.461e+18.
1 light year = 9.461e+18 millimeters
| Light Years (ly) | Millimeters (mm) |
|---|---|
| 1 ly | 9.461e+18 mm |
| 2 ly | 1.8922e+19 mm |
| 5 ly | 4.7305e+19 mm |
| 10 ly | 9.461e+19 mm |
| 20 ly | 1.8922e+20 mm |
| 25 ly | 2.3653e+20 mm |
| 50 ly | 4.7305e+20 mm |
| 100 ly | 9.461e+20 mm |
| 250 ly | 2.3653e+21 mm |
| 500 ly | 4.7305e+21 mm |
| 1000 ly | 9.461e+21 mm |
| Unit | 1 ly = |
|---|---|
| Light Years to Kilometers | 9.461e+12 km |
| Light Years to Meters | 9.461e+15 m |
| Light Years to Centimeters | 9.461e+17 cm |
| Light Years to Millimeters | 9.461e+18 mm |
| Light Years to Micrometers | 9.461e+21 μm |
| Light Years to Nanometers | 9.461e+24 nm |
| Light Years to Miles | 5.8788e+12 mi |
| Light Years to Yards | 1.0347e+16 yd |
| Light Years to Feet | 3.104e+16 ft |
| Light Years to Inches | 3.7248e+17 in |
| Light Years to Nautical Miles | 5.1085e+12 nmi |
| Light Years to Fathoms | 5.1733e+15 ftm |
| Light Years to Astronomical Units | 63241.98 AU |
| Light Years to Parsecs | 0.30658 pc |
| Light Years to Angstroms | 9.461e+25 Å |
| Light Years to Planck Lengths | 5.8537e+50 ℓP |
| Light Years to Rods | 1.8812e+15 rd |
The light year (ly) is a unit of length in the astronomical system. One light year equals 9461000000000000 meters.
The millimeter (mm) is a unit of length in the metric system. One millimeter equals 0.001 meters.