Millimeters to astronomical units
1 millimeter in astronomical units
1 mm = 6.685 × 10^-15 AU
AU = mm × 6.684587122 × 10^-15
To convert millimeters to astronomical units, multiply by 6.684587122 × 10^-15. The table below gives the values people look up most often, and the converter works for any number.
Millimeters to astronomical units table
| Millimeters | Astronomical units |
|---|---|
| 1 mm | 6.685 × 10^-15 |
| 2 mm | 1.337 × 10^-14 |
| 3 mm | 2.005 × 10^-14 |
| 4 mm | 2.674 × 10^-14 |
| 5 mm | 3.342 × 10^-14 |
| 10 mm | 6.685 × 10^-14 |
| 15 mm | 1.003 × 10^-13 |
| 20 mm | 1.337 × 10^-13 |
| 25 mm | 1.671 × 10^-13 |
| 30 mm | 2.005 × 10^-13 |
| 40 mm | 2.674 × 10^-13 |
| 50 mm | 3.342 × 10^-13 |
| 75 mm | 5.013 × 10^-13 |
| 100 mm | 6.685 × 10^-13 |
| 250 mm | 1.671 × 10^-12 |
| 500 mm | 3.342 × 10^-12 |
| 1,000 mm | 6.685 × 10^-12 |
How the conversion works
The relationship is AU = mm × 6.684587122 × 10^-15. Both units measure length, so the conversion is a fixed factor that never changes.
Common questions
- How many astronomical units are in one millimeter?
- One millimeter equals 6.685 × 10^-15 astronomical units. AU = mm × 6.684587122 × 10^-15.
- How do you convert millimeters to astronomical units?
- Use AU = mm × 6.684587122 × 10^-15. So 10 mm is 6.685 × 10^-14 AU.
- How many millimeters are in one astronomical unit?
- One astronomical unit equals 149,597,870,000,000 millimeters, 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