Astronomical Units to Kilometers

Convert au (AU) to kilometers (km) with formulas, examples, and conversion tables.

AU
km
1 AU = 149597870.7 km
Full precision:149597870.7 km
Step-by-Step Solution

To convert 1 au to kilometers, we multiply by 149597870.7 because one astronomical unit equals exactly 149597870.7 kilometers.

1 astronomical unit = 149597870.7 kilometers

Since each astronomical unit contains 149597870.7 kilometers, we multiply our value by this factor:

1 × 149597870.7 = 149597870.7 kilometers

So 1 au = 149597870.7 kilometers.

✓Quick check: 149597870.7 ÷ 149597870.7 = 1 au
↔ Kilometers to Astronomical Units

How to Convert AU to Kilometers

To convert au to kilometers, multiply the value by 149597870.7.

The Formula

Kilometers = AU × 149597870.7

Key Fact

1 astronomical unit = 149597870.7 kilometers

Tip: To convert kilometers back to au, divide by 149597870.7.

Example Conversions

Example 1: 1 AU = 149597870.7 km
1 × 149597870.7 = 149597870.7
Example 2: 5 AU = 747989353.5 km
5 × 149597870.7 = 747989353.5
Example 3: 10 AU = 1495978707 km
10 × 149597870.7 = 1495978707

AU to Kilometers Table

AUKilometers
1 AU149597870.7 km
2 AU299195741.4 km
5 AU747989353.5 km
10 AU1495978707 km
20 AU2991957414 km
25 AU3739946767.5 km
50 AU7479893535 km
100 AU1.5e+10 km
250 AU3.74e+10 km
500 AU7.48e+10 km
1000 AU1.5e+11 km

1 Astronomical Unit in Other Units

Unit1 AU =
AU to Meters1.5e+11 m
Astronomical Units to Kilometers149597870.7 km
AU to Light Years0.000016 ly
AU to Parsecs0.000005 pc
AU to Kiloparsecs4.85e-9 kpc
AU to Megaparsecs4.85e-12 Mpc
AU to Light Seconds499.005 ls
AU to Light Minutes8.3167 lm
AU to Miles92955807.27 mi

Related Conversions

Light Years to KilometersKilometers to Light YearsLight Years to ParsecsParsecs to Light YearsKilometers to Astronomical UnitsLight Years to AUAU to Light Years