Millimeters to Astronomical units
1 mm ≈ 6.685 × 10⁻¹⁵ au. Edit either value to convert instantly.
Conversion formula
au = mm × (0.001) × (1 / 1.495978707 × 10¹¹)1 mm ≈ 6.68459 × 10⁻¹⁵ au
millimeter (mm)
One millimeter equals exactly 0.001 m.
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
astronomical unit (au)
One astronomical unit equals exactly 1.495978707 × 10¹¹ m.
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
Conversion table
| mm | au |
|---|---|
| ≈ 6.68459 × 10⁻¹⁵ | |
| ≈ 1.33692 × 10⁻¹⁴ | |
| ≈ 3.34229 × 10⁻¹⁴ | |
| ≈ 6.68459 × 10⁻¹⁴ | |
| ≈ 1.00269 × 10⁻¹³ | |
| ≈ 1.33692 × 10⁻¹³ | |
| ≈ 1.67115 × 10⁻¹³ | |
| ≈ 2.00538 × 10⁻¹³ | |
| ≈ 2.67383 × 10⁻¹³ | |
| ≈ 3.00806 × 10⁻¹³ |
| mm | au |
|---|---|
| ≈ 3.34229 × 10⁻¹³ | |
| ≈ 4.01075 × 10⁻¹³ | |
| ≈ 4.67921 × 10⁻¹³ | |
| ≈ 5.34767 × 10⁻¹³ | |
| ≈ 6.01613 × 10⁻¹³ | |
| ≈ 6.68459 × 10⁻¹³ | |
| ≈ 1.00269 × 10⁻¹² | |
| ≈ 1.06953 × 10⁻¹² | |
| ≈ 1.13638 × 10⁻¹² | |
| ≈ 1.20323 × 10⁻¹² |
Frequently asked questions
How many astronomical units are in 1 millimeter?
1 mm ≈ 6.685 × 10⁻¹⁵ au. au = mm × (0.001) × (1 / 1.495978707 × 10¹¹)
How do I convert mm to au?
au = mm × (0.001) × (1 / 1.495978707 × 10¹¹)
Is 1 millimeter bigger than 1 astronomical unit?
1 mm ≈ 6.685 × 10⁻¹⁵ au.
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