Free Length Converter

Astronomical Unit to millimeter.

One astronomical unit equals 1.495979e+14 millimeter. Use this converter for quick, accurate au to mm conversions.

From

To

—

Precision

Conversion formula.

1 au = 1.495979e+14 mm

To convert astronomical unit to millimeter, multiply the value in au by 1.495979e+14.

Quick examples

1 au = 1.495979e+14 mm
5 au = 7.479894e+14 mm
10 au = 1.495979e+15 mm
100 au = 1.495979e+16 mm

Astronomical Unit to Millimeter conversion table.

Astronomical Unit (au)	Millimeter (mm)
1	1.495979e+14
2	2.991957e+14
3	4.487936e+14
4	5.983915e+14
5	7.479894e+14
6	8.975872e+14
7	1.047185e+15
8	1.196783e+15
9	1.346381e+15
10	1.495979e+15
11	1.645577e+15
12	1.795174e+15
13	1.944772e+15
14	2.09437e+15
15	2.243968e+15
16	2.393566e+15
17	2.543164e+15
18	2.692762e+15
19	2.84236e+15
20	2.991957e+15

Convert the other way: Millimeter to Astronomical Unit

Related conversions.

Millimeter to Centimeter Millimeter to Decimeter Millimeter to Meter Millimeter to Kilometer Millimeter to Micrometer Millimeter to Nanometer

More Astronomical Unit conversions.

au → cm au → dm au → m au → km au → μm au → nm au → in au → ft

Frequently asked questions.

How many millimeter are in a astronomical unit?

One astronomical unit equals 1.495979e+14 millimeter (mm).

How do I convert au to mm?

Multiply the value in au by 1.495979e+14. For example, 10 au = 1.495979e+15 mm.

Is this conversion exact?

Yes. This converter uses the internationally defined factor: 1 au = 1.495979e+14 mm.