21 Kilometers to Astronomical Units
Convert 21 kilometers (km) to astronomical units (AU) with formulas, examples, and conversion tables.
km
AU
21 kilometers (km) = 1.40374331551e-7 astronomical units (AU)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 astronomical unit = 149600000 kilometers
2Divide the value by the conversion factor:
21 ÷ 149600000 = 1.40374331551e-7
3Result:
21 kilometers (km) = 1.40374331551e-7 astronomical units (AU)
Kilometers to Astronomical Units Conversion Table
| Kilometers | Astronomical Units |
|---|---|
| 1 km | 6.68449e-9 AU |
| 2 km | 1.3369e-8 AU |
| 3 km | 2.00535e-8 AU |
| 4 km | 2.6738e-8 AU |
| 5 km | 3.34225e-8 AU |
| 10 km | 6.68449e-8 AU |
| 20 km | 1.3369e-7 AU |
| 21 km | 1.40374e-7 AU |
| 50 km | 3.34225e-7 AU |
| 100 km | 6.68449e-7 AU |
21 Kilometers in Other Units
| Unit | 21 km = |
|---|---|
| KM to Meters | 21000 m |
| Kilometers to Centimeters | 2100000 cm |
| Kilometers to Millimeters | 21000000 mm |
| Kilometers to Micrometers | 2.1e10 μm |
| Kilometers to Nanometers | 2.1e13 nm |
| KM to Miles | 13.048795037 mi |
| Kilometers to Yards | 22965.8792651 yd |
| Kilometers to Feet | 68897.6377953 ft |
| Kilometers to Inches | 826771.653543 in |
| KM to Nautical Miles | 11.3390928726 nmi |
| Kilometers to Fathoms | 11482.9396325 ftm |
| Kilometers to Light Years | 2.21963851601e-12 ly |
| Kilometers to Astronomical Units | 1.40374331551e-7 AU |
| Kilometers to Parsecs | 6.80492546986e-13 pc |
| Kilometers to Angstroms | 2.1e14 Å |
| Kilometers to Planck Lengths | 1.29929992483e39 ℓP |
| Kilometers to Rods | 4175.61441183 rd |