Astronomical Units (AU)	Nanometers (nm)
1 AU	1.496e+20 nm
2 AU	2.992e+20 nm
5 AU	7.4799e+20 nm
10 AU	1.496e+21 nm
25 AU	3.7399e+21 nm
50 AU	7.4799e+21 nm
100 AU	1.496e+22 nm
250 AU	3.7399e+22 nm
500 AU	7.4799e+22 nm
1000 AU	1.496e+23 nm

Convert Astronomical Units to Nanometers

Convert astronomical units to nanometers (AU to nm) with our instant calculator. 1 AU = 149597870699999985664 nm. Includes exact formula and reference tables.

How to Convert Astronomical Units to Nanometers (AU to nm)

1 Astronomical Unit (AU) is equal to 149597870699999985664 Nanometers (nm). Multiply the astronomical unit value by 149597870700000000000

Quick Answer 1 AU = 149597870699999985664 nm

Formula nm = AU × 149597870700000000000

Inverse Factor 1 nm = 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 Nanometers (nm): Nanometer (nm) is a unit in the Length & Distance measurement category. It is widely used in nanotechnology & light wavelengths. Relative to the length & distance base unit, 1 nm equals 0 Meters (m).

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

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

Convert 5 Astronomical Units to Nanometers: Applying the formula (nm = AU × 149597870700000000000): starting with 5 AU, multiply the astronomical unit value by 149597870700000000000 to get 747989353499999993856 nm.
Convert 10 Astronomical Units to Nanometers: Applying the formula (nm = AU × 149597870700000000000): starting with 10 AU, multiply the astronomical unit value by 149597870700000000000 to get 1.495978707e+21 nm.
Convert 50 Astronomical Units to Nanometers: Applying the formula (nm = AU × 149597870700000000000): starting with 50 AU, multiply the astronomical unit value by 149597870700000000000 to get 7.479893534999999e+21 nm.

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 nanometers.

How many nanometers are in 1 astronomical unit?

There are 149597870699999985664 nanometers (nm) in 1 astronomical unit (AU). Conversely, 1 nanometer equals 0 astronomical units.

How do you convert astronomical units to nanometers?

To convert astronomical units (AU) to nanometers (nm), use the formula: nm = AU × 149597870700000000000. Multiply the astronomical unit value by 149597870700000000000. For example, 10 AU equals 1.495978707e+21 nm.

How do I convert back from nanometers to astronomical units?

To convert in the reverse direction from nanometers (nm) to astronomical units (AU), use the inverse formula: AU = nm / 1.496e+20. Divide the nanometer value by 1.496e+20 (1 nm = 0 AU).

What is the difference between astronomical unit (AU) and nanometer (nm)?

Both astronomical unit and nanometer 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). Nanometer (nm) is a unit in the Length & Distance measurement category. It is widely used in nanotechnology & light wavelengths. Relative to the length & distance base unit, 1 nm equals 0 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).