ConvertAnything

Convert Astronomical Unit to Millimeter

1 astronomical unit = 149,597,870,000,000 millimeters (AU to mm).

The astronomical unit (AU) and the millimeter (mm) both measure length. A astronomical unit is larger than a millimeter — one astronomical unit contains 149,598,000,000,000 millimeters. Going the other way, one millimeter is 6.68459e-15 astronomical units. The converter above does this in real time, and the reference chart lists the values that come up most often.

149,597,870,000,000

1 AU = 149,597,870,000,000 mm

How to convert Astronomical Units to Millimeters

Multiply the astronomical unit value by 149,598,000,000,000 to get millimeters.

Example: 10 astronomical units = 1.49598e+15 millimeters.

Astronomical Unit to Millimeter Conversion Chart

Astronomical UnitsMillimeters
1 AU149,597,870,000,000 mm
2 AU299,195,740,000,000 mm
3 AU448,793,610,000,000 mm
5 AU747,989,350,000,000 mm
10 AU1.4959787e+15 mm
20 AU2.9919574e+15 mm
25 AU3.7399468e+15 mm
50 AU7.4798935e+15 mm
100 AU1.4959787e+16 mm
1000 AU1.4959787e+17 mm

Frequently Asked Questions

How many millimeters are in a astronomical unit?
There are 149,597,870,000,000 millimeters in 1 astronomical unit.
How do you convert astronomical units to millimeters?
Multiply the astronomical unit value by 149,598,000,000,000 to get millimeters.
What is 5 astronomical units in millimeters?
5 astronomical units equals 747,989,350,000,000 millimeters.
What is 100 astronomical units in millimeters?
100 astronomical units equals 1.4959787e+16 millimeters.
What is 1 millimeter in astronomical units?
1 millimeter equals 6.6845871e-15 astronomical units.
Is this astronomical unit to millimeter converter free?
Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.

Related Conversions