Micrometers (µm)	Astronomical Units (AU)
1 µm	6.6846e-18 AU
2 µm	1.3369e-17 AU
5 µm	3.3423e-17 AU
10 µm	6.6846e-17 AU
25 µm	1.6711e-16 AU
50 µm	3.3423e-16 AU
100 µm	6.6846e-16 AU
250 µm	1.6711e-15 AU
500 µm	3.3423e-15 AU
1000 µm	6.6846e-15 AU

Convert Micrometers to Astronomical Units

Convert micrometers to astronomical units (µm to AU) with our instant calculator. 1 µm = 0 AU. Includes exact formula and reference tables.

How to Convert Micrometers to Astronomical Units (µm to AU)

1 Micrometer (µm) is equal to 0 Astronomical Units (AU). Divide the micrometer value by 1.496e+17

Quick Answer 1 µm = 0 AU

Formula AU = µm / 1.496e+17

Inverse Factor 1 AU = 149597870700000000 µm

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 Micrometers (µm): Micrometer (µm) is a unit in the Length & Distance measurement category. It is widely used in microns (cells, fibers). Relative to the length & distance base unit, 1 µm equals 0.000001 Meters (m).

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).

Need to convert in the opposite direction? Visit our Convert Astronomical Units to Micrometers (AU to µm) calculator (1 AU = 149597870700000000 µm).

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

Convert 5 Micrometers to Astronomical Units: Applying the formula (AU = µm / 1.496e+17): starting with 5 µm, divide the micrometer value by 1.496e+17 to get 0 AU.
Convert 10 Micrometers to Astronomical Units: Applying the formula (AU = µm / 1.496e+17): starting with 10 µm, divide the micrometer value by 1.496e+17 to get 0 AU.
Convert 50 Micrometers to Astronomical Units: Applying the formula (AU = µm / 1.496e+17): starting with 50 µm, divide the micrometer value by 1.496e+17 to get 0 AU.

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 micrometers to astronomical units.

How many astronomical units are in 1 micrometer?

There are 0 astronomical units (AU) in 1 micrometer (µm). Conversely, 1 astronomical unit equals 149597870700000000 micrometers.

How do you convert micrometers to astronomical units?

To convert micrometers (µm) to astronomical units (AU), use the formula: AU = µm / 1.496e+17. Divide the micrometer value by 1.496e+17. For example, 10 µm equals 0 AU.

How do I convert back from astronomical units to micrometers?

To convert in the reverse direction from astronomical units (AU) to micrometers (µm), use the inverse formula: µm = AU × 149597870700000000. Multiply the astronomical unit value by 149597870700000000 (1 AU = 149597870700000000 µm).

What is the difference between micrometer (µm) and astronomical unit (AU)?

Both micrometer and astronomical unit measure length & distance. Micrometer (µm) is a unit in the Length & Distance measurement category. It is widely used in microns (cells, fibers). Relative to the length & distance base unit, 1 µm equals 0.000001 Meters (m). 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).

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).