21 Kilometers to Light Years
Convert 21 kilometers (km) to light years (ly) with formulas and conversion tables.
km
ly
21 kilometers (km) = 2.21970175145e-12 light years (ly)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 light year = 9.46073047258e12 kilometers
2Divide the value by the conversion factor:
21 ÷ 9.46073047258e12 = 2.21970175145e-12
3Result:
21 kilometers (km) = 2.21970175145e-12 light years (ly)
Kilometers to Light Years Conversion Table
| Kilometers | Light Years |
|---|---|
| 1 km | 1.057e-13 ly |
| 2 km | 2.114e-13 ly |
| 5 km | 5.285e-13 ly |
| 10 km | 1.057e-12 ly |
| 20 km | 2.114e-12 ly |
| 21 km | 2.2197e-12 ly |
| 50 km | 5.285e-12 ly |
| 100 km | 1.057e-11 ly |
21 Kilometers in Other Units
| Unit | 21 km = |
|---|---|
| Kilometers to Meters | 21000 m |
| Kilometers to Astronomical Units | 1.40376329568e-7 AU |
| Kilometers to Light Years | 2.21970175145e-12 ly |
| Kilometers to Parsecs | 6.80563650783e-13 pc |
| Kilometers to Kiloparsecs | 6.80563650783e-16 kpc |
| Kilometers to Megaparsecs | 6.80563650783e-19 Mpc |
| Kilometers to Light Seconds | 7.00484599916e-5 ls |
| Kilometers to Light Minutes | 1.16747433319e-6 lm |
| Kilometers to Miles | 13.048795037 mi |