Astronomical Unit Calculator
Our astronomical unit calculator will rescale your universe according to the distance between Earth and Sun.
Result149,597,870.7 km1 AU converted
1 AU equals149,597,870.7 km
1 km equals6.68459e-9 AU
Astronomical unit to kilometer reference
| astronomical unit | kilometer |
|---|---|
| 1 AU | 149,597,870.7 km |
| 2 AU | 299,195,741.4 km |
| 5 AU | 747,989,353.5 km |
| 10 AU | 1,495,978,707 km |
| 25 AU | 3,739,946,767.5 km |
| 50 AU | 7,479,893,535 km |
| 100 AU | 14,959,787,070 km |
| 500 AU | 74,798,935,350 km |
| 1,000 AU | 149,597,870,700 km |
How to convert astronomical unit to kilometer
One astronomical unit equals 149597870.7 km, so multiply the number of astronomical units by 149597870.7:
km = AU × 149597870.7
Going the other way
One kilometer equals 6.684587122e-9 AU, so to convert back:
AU = km × 6.684587122e-9
Both directions are shown in the results above, and the drop-downs let you convert between any pair of length units — not just these two.