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AU to MM Converter

Convert astronomical units to millimeters with accurate formulas, examples and conversion tables.

Length conversion

Calculator

Results update instantly. Use Calculate to confirm the current conversion.

Decimals and negative values are supported.

Result

149,597,870,700,000 mm

1 AU ≈ 149,597,870,700,000 mm

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Open a focused converter for a commonly searched length conversion.

Centimeters to Inches1 cm = 0.39370079 inInches to Centimeters1 in = 2.54 cmMeters to Feet1 m = 3.2808399 ftFeet to Meters1 ft = 0.3048 mKilometers to Miles1 km = 0.62137119 miMiles to Kilometers1 mi = 1.609344 kmMillimeters to Inches1 mm = 0.03937008 inInches to Millimeters1 in = 25.4 mmYards to Meters1 yd = 0.9144 mMeters to Yards1 m = 1.0936133 yd

Conversion table

Common astronomical units to millimeters values, generated from the selected units.

astronomical units (AU)millimeters (mm)
1 astronomical unit149,597,870,700,000 millimeters
5 astronomical units747,989,353,500,000 millimeters
10 astronomical units1.49597871e15 millimeters
20 astronomical units2.99195741e15 millimeters
50 astronomical units7.47989354e15 millimeters
100 astronomical units1.49597871e16 millimeters

Conversion Formula

Multiply the value in astronomical units by 149597870700000 to get millimeters.

Formulamm = AU × 149597870700000

Example

Convert 1 astronomical unit to millimeters:

1 × 149597870700000= 149,597,870,700,000 mm

Unit information

Concise reference information for the selected source and target units.

Astronomical unit (AU)

Scientific
1 AU = 149,597,870,700 m
Definition
One astronomical unit equals exactly 149,597,870,700 meters.
Usage
Used for distances within the solar system.

Millimeter (mm)

Metric
1 mm = 0.001 m
Definition
One millimeter is one-thousandth of a meter.
Usage
Used for precise dimensions, manufacturing, medicine, and rainfall.
AU to MM tableReference chart and common astronomical unit-to-millimeter values.Millimeters to Astronomical unitsConvert millimeters to astronomical units.Astronomical units to CentimetersConvert astronomical units to centimeters.Astronomical units to MetersConvert astronomical units to meters.Astronomical units to KilometersConvert astronomical units to kilometers.Astronomical units to InchesConvert astronomical units to inches.Astronomical units to FeetConvert astronomical units to feet.Astronomical units to YardsConvert astronomical units to yards.

Frequently asked questions

How many millimeters are in 1 astronomical unit?

1 astronomical unit equals 149,597,870,700,000 millimeters.

How do you convert astronomical units to millimeters?

Multiply the value in astronomical units by 149597870700000 to get millimeters. The formula is mm = AU × 149597870700000.

What is 10 astronomical units in millimeters?

10 astronomical units is approximately 1.49597871e15 millimeters.