Astronomical units to kilometers
1 astronomical unit in kilometers
1 AU = 149,597,870 km
km = AU × 149,597,870.7
To convert astronomical units to kilometers, multiply by 149,597,870.7. The table below gives the values people look up most often, and the converter works for any number.
Astronomical units to kilometers table
| Astronomical units | Kilometers |
|---|---|
| 1 AU | 149,597,870 |
| 2 AU | 299,195,740 |
| 3 AU | 448,793,610 |
| 4 AU | 598,391,480 |
| 5 AU | 747,989,350 |
| 10 AU | 1,495,978,700 |
| 15 AU | 2,243,968,100 |
| 20 AU | 2,991,957,400 |
| 25 AU | 3,739,946,800 |
| 30 AU | 4,487,936,100 |
| 40 AU | 5,983,914,800 |
| 50 AU | 7,479,893,500 |
| 75 AU | 11,219,840,000 |
| 100 AU | 14,959,787,000 |
| 250 AU | 37,399,468,000 |
| 500 AU | 74,798,935,000 |
| 1,000 AU | 149,597,870,000 |
How the conversion works
The relationship is km = AU × 149,597,870.7. Both units measure length, so the conversion is a fixed factor that never changes.
Common questions
- How many kilometers are in one astronomical unit?
- One astronomical unit equals 149,597,870 kilometers. km = AU × 149,597,870.7.
- How do you convert astronomical units to kilometers?
- Use km = AU × 149,597,870.7. So 10 AU is 1,495,978,700 km.
- How many astronomical units are in one kilometer?
- One kilometer equals 6.685 × 10^-9 astronomical units, which is the reverse of the conversion above.
Related pages
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
- Calculated on this page — At One Place