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... Astronomical Unit = ... Millimeter

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Astronomical Unit to Millimeter Converter

Use this page to convert astronomical unit values into millimeter, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 AU = 149,597,870,700,000 mm

1 mm = 6.68458712226845e-15 AU

Example: 15 AU = 2,243,968,060,500,000 mm

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Astronomical Unit

Astronomical Unit (AU) is represented in this converter as 149597870700 meters.

History: Astronomical Unit belongs to astronomy and space-science measurement, where terrestrial units become impractically small.

Current use: Astronomical Unit is useful for comparing planetary, solar, and interstellar distances with metric or customary units.

Also written as AU.

Millimeter

A millimeter is 1/1,000 of a meter in the SI system.

History: It became widely used with metric manufacturing and engineering tolerances.

Current use: Millimeters are common in product specs, machining, and technical drawings.

Also written as mm, millimeters, millimetre, millimetres.

Astronomical Unit to Millimeter table

Astronomical Unit [AU]Millimeter [mm]
0.01 AU1,495,978,707,000 mm
0.1 AU14,959,787,070,000 mm
1 AU149,597,870,700,000 mm
2 AU299,195,741,400,000 mm
5 AU747,989,353,500,000 mm
10 AU1,495,978,707,000,000 mm
20 AU2,991,957,414,000,000 mm
50 AU7,479,893,535,000,000 mm
100 AU14,959,787,070,000,000 mm