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1 AU = 149597870700000 mm
1 Astronomical Unit equals 149597870700000 Millimeters

Astronomical Units to Millimeters Conversion Table

Standard benchmark values from 1 to 1,000 AU in mm.

Astronomical Units (AU) Millimeters (mm)
1 AU 1.496e+14 mm
2 AU 2.992e+14 mm
5 AU 7.4799e+14 mm
10 AU 1.496e+15 mm
25 AU 3.7399e+15 mm
50 AU 7.4799e+15 mm
100 AU 1.496e+16 mm
250 AU 3.7399e+16 mm
500 AU 7.4799e+16 mm
1000 AU 1.496e+17 mm

Convert Astronomical Units to Millimeters

Convert astronomical units to millimeters (AU to mm) with our instant calculator. 1 AU = 149597870700000 mm. Includes exact formula and reference tables.

How to Convert Astronomical Units to Millimeters (AU to mm)

1 Astronomical Unit (AU) is equal to 149597870700000 Millimeters (mm). Multiply the astronomical unit value by 149597870700000

Quick Answer 1 AU = 149597870700000 mm
Formula mm = AU × 149597870700000
Inverse Factor 1 mm = 0 AU

Unit Definitions & Metrology Context

The standard SI base unit of length is the meter (m), defined as the distance traveled by light in a vacuum in 1/299,792,458 of a second.

About Astronomical Units (AU): Astronomical Unit (AU) is a unit in the Length & Distance measurement category. It is widely used in earth-sun distance (solar system). Relative to the length & distance base unit, 1 AU equals 149597870700 Meters (m).

About Millimeters (mm): Millimeter (mm) is a unit in the Length & Distance measurement category. It is a standard everyday unit of length & distance measurement. Relative to the length & distance base unit, 1 mm equals 0.001 Meters (m).

Need to convert in the opposite direction? Visit our Convert Millimeters to Astronomical Units (mm to AU) calculator (1 mm = 0 AU).

Step-by-Step Worked Examples (AU to mm)

  • Convert 5 Astronomical Units to Millimeters: Applying the formula (mm = AU × 149597870700000): starting with 5 AU, multiply the astronomical unit value by 149597870700000 to get 747989353500000 mm.
  • Convert 10 Astronomical Units to Millimeters: Applying the formula (mm = AU × 149597870700000): starting with 10 AU, multiply the astronomical unit value by 149597870700000 to get 1495978707000000 mm.
  • Convert 50 Astronomical Units to Millimeters: Applying the formula (mm = AU × 149597870700000): starting with 50 AU, multiply the astronomical unit value by 149597870700000 to get 7479893535000000 mm.

Popular Length & Distance Conversions

Kilometer ⇄ Mile
Multiply kilometers by ~0.621371 to get miles, or divide miles by 0.621371 to get kilometers.
Inch ⇄ Centimeter
1 inch is legally and scientifically defined as exactly 2.54 centimeters.
Foot ⇄ Meter
1 foot is defined as exactly 0.3048 meters (12 inches).
Mile ⇄ Nautical Mile
1 nautical mile is exactly 1,852 meters (~1.15078 statute miles).

Frequently Asked Questions

Verified answers and formulas for converting astronomical units to millimeters.

How many millimeters are in 1 astronomical unit?

There are 149597870700000 millimeters (mm) in 1 astronomical unit (AU). Conversely, 1 millimeter equals 0 astronomical units.

How do you convert astronomical units to millimeters?

To convert astronomical units (AU) to millimeters (mm), use the formula: mm = AU × 149597870700000. Multiply the astronomical unit value by 149597870700000. For example, 10 AU equals 1495978707000000 mm.

How do I convert back from millimeters to astronomical units?

To convert in the reverse direction from millimeters (mm) to astronomical units (AU), use the inverse formula: AU = mm / 1.496e+14. Divide the millimeter value by 1.496e+14 (1 mm = 0 AU).

What is the difference between astronomical unit (AU) and millimeter (mm)?

Both astronomical unit and millimeter measure length & distance. Astronomical Unit (AU) is a unit in the Length & Distance measurement category. It is widely used in earth-sun distance (solar system). Relative to the length & distance base unit, 1 AU equals 149597870700 Meters (m). Millimeter (mm) is a unit in the Length & Distance measurement category. It is a standard everyday unit of length & distance measurement. Relative to the length & distance base unit, 1 mm equals 0.001 Meters (m).

How many miles are in a kilometer?

There are approximately 0.621371 miles in 1 kilometer. To convert kilometers to miles quickly in your head, multiply by 6 and divide by 10 (or multiply by 0.6).