Convert meters to astronomical units
1 m = 0.00000000000668458712227 au — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
6.68458712227e-12au
As a fraction: 1/149597870700
1 m = 0.00000000000668458712227 au
How to convert meters to astronomical units
Multiply the number of meters by 0.00000000000668458712227 to get astronomical units.
Astronomical unit: Fixed at exactly 149 597 870 700 m by the IAU in 2012.
Meter to Astronomical unit conversion table
| Meters (m) | Astronomical units (au) |
|---|---|
| 1 m | 6.6845871e-12 |
| 2 m | 1.3369174e-11 |
| 3 m | 2.0053761e-11 |
| 5 m | 3.3422936e-11 |
| 10 m | 6.6845871e-11 |
| 20 m | 1.3369174e-10 |
| 25 m | 1.6711468e-10 |
| 50 m | 3.3422936e-10 |
| 100 m | 6.6845871e-10 |
| 250 m | 1.6711468e-9 |
| 500 m | 3.3422936e-9 |
| 1000 m | 6.6845871e-9 |
Astronomical unit to Meter conversion table
| Astronomical units (au) | Meters (m) |
|---|---|
| 1 au | 149 597 870 000 |
| 2 au | 299 195 740 000 |
| 3 au | 448 793 610 000 |
| 5 au | 747 989 350 000 |
| 10 au | 1 495 978 700 000 |
| 20 au | 2 991 957 400 000 |
| 25 au | 3 739 946 800 000 |
| 50 au | 7 479 893 500 000 |
| 100 au | 14 959 787 000 000 |
| 250 au | 37 399 468 000 000 |
| 500 au | 74 798 935 000 000 |
| 1000 au | 149 597 870 000 000 |
Frequently asked
How many astronomical units are in a meter?
One meter equals 6.684587122e-12 astronomical units (m → au). That figure is exact, not rounded.
How do you convert meters to astronomical units?
Multiply the number of meters by 0.00000000000668458712227 to get astronomical units.
What is 1 au in meters?
One astronomical unit is 149597870700 meters.
What is 10 m in au?
10 m = 6.6845871e-11 au.
What exactly is a astronomical unit?
Fixed at exactly 149 597 870 700 m by the IAU in 2012.