To convert millimeters to astronomical units, multiply the value by 6.68459 × 10⁻¹⁵. To go the other way, multiply astronomical units by 149,597,870,700,000 to get millimeters.
| Millimeters (mm) | Astronomical Units (AU) |
|---|---|
| 1 mm | 6.68459 × 10⁻¹⁵ AU |
| 5 mm | 3.34229 × 10⁻¹⁴ AU |
| 10 mm | 6.68459 × 10⁻¹⁴ AU |
| 25 mm | 1.67115 × 10⁻¹³ AU |
| 50 mm | 3.34229 × 10⁻¹³ AU |
| 100 mm | 6.68459 × 10⁻¹³ AU |
| 250 mm | 1.67115 × 10⁻¹² AU |
| 500 mm | 3.34229 × 10⁻¹² AU |
| 1,000 mm | 6.68459 × 10⁻¹² AU |
| 2,500 mm | 1.67115 × 10⁻¹¹ AU |
| 5,000 mm | 3.34229 × 10⁻¹¹ AU |
| 10,000 mm | 6.68459 × 10⁻¹¹ AU |
| 100,000 mm | 6.68459 × 10⁻¹⁰ AU |
| 1,000,000 mm | 6.68459 × 10⁻⁹ AU |
25 mm × 6.68459 × 10⁻¹⁵ = 1.67115 × 10⁻¹³ AU
Try this example →250 mm × 6.68459 × 10⁻¹⁵ = 1.67115 × 10⁻¹² AU
Try this example →Millimeter (mm). A millimeter is one thousandth of a meter, used for small measurements such as thickness and rainfall.
Astronomical unit (AU). An astronomical unit is the average distance from the Earth to the Sun, about 149.6 million kilometers.
There are 6.68459 × 10⁻¹⁵ astronomical units in one millimeter.
Multiply the number of millimeters by 6.68459 × 10⁻¹⁵. For example, 10 millimeters equal 6.68459 × 10⁻¹⁴ astronomical units.
One astronomical unit equals 149,597,870,700,000 millimeters.
6.68459 × 10⁻¹² astronomical units. Other common values: 100 millimeters = 6.68459 × 10⁻¹³ astronomical units and 10,000 millimeters = 6.68459 × 10⁻¹¹ astronomical units.