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MM to AU Converter

Convert millimeters to astronomical units 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

6.68458712e-15 AU

1 mm ≈ 6.68458712e-15 AU

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

millimeters (mm)astronomical units (AU)
1 millimeter6.68458712e-15 astronomical units
5 millimeters3.34229356e-14 astronomical units
10 millimeters6.68458712e-14 astronomical units
20 millimeters1.33691742e-13 astronomical units
50 millimeters3.34229356e-13 astronomical units
100 millimeters6.68458712e-13 astronomical units

Conversion Formula

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

FormulaAU = mm ÷ 149597870700000

Example

Convert 1 millimeter to astronomical units:

1 ÷ 149597870700000= 6.68458712e-15 AU

Unit information

Concise reference information for the selected source and target units.

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.

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.
MM to AU tableReference chart and common millimeter-to-astronomical unit values.Astronomical units to MillimetersConvert astronomical units to millimeters.Millimeters to CentimetersConvert millimeters to centimeters.Millimeters to MetersConvert millimeters to meters.Millimeters to KilometersConvert millimeters to kilometers.Millimeters to InchesConvert millimeters to inches.Millimeters to FeetConvert millimeters to feet.Millimeters to YardsConvert millimeters to yards.

Frequently asked questions

How many astronomical units are in 1 millimeter?

1 millimeter equals 6.684587122268e-15 astronomical units.

How do you convert millimeters to astronomical units?

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

What is 10 millimeters in astronomical units?

10 millimeters is approximately 6.68458712e-14 astronomical units.