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Convert Centimeter to Astronomical Unit

1 centimeter = 6.6845871e-14 astronomical units (cm to AU).

Need to move between centimeters and astronomical units? A centimeter is smaller than a astronomical unit — it takes 14,959,800,000,000 of them to make a single astronomical unit. One astronomical unit works out to 14,959,800,000,000 centimeters in the other direction. The converter above does this in real time, and the reference chart lists the values that come up most often.

6.6845871e-14

1 cm = 6.6845871e-14 AU

How to convert Centimeters to Astronomical Units

Multiply the centimeter value by 6.68459e-14 to get astronomical units.

Example: 10 centimeters = 6.68459e-13 astronomical units.

Centimeter to Astronomical Unit Conversion Chart

CentimetersAstronomical Units
1 cm6.6845871e-14 AU
2 cm1.3369174e-13 AU
3 cm2.0053761e-13 AU
5 cm3.3422936e-13 AU
10 cm6.6845871e-13 AU
20 cm1.3369174e-12 AU
25 cm1.6711468e-12 AU
50 cm3.3422936e-12 AU
100 cm6.6845871e-12 AU
1000 cm6.6845871e-11 AU

Frequently Asked Questions

How many astronomical units are in a centimeter?
There are 6.6845871e-14 astronomical units in 1 centimeter.
How do you convert centimeters to astronomical units?
Multiply the centimeter value by 6.68459e-14 to get astronomical units.
What is 5 centimeters in astronomical units?
5 centimeters equals 3.3422936e-13 astronomical units.
What is 100 centimeters in astronomical units?
100 centimeters equals 6.6845871e-12 astronomical units.
What is 1 astronomical unit in centimeters?
1 astronomical unit equals 14,959,787,000,000 centimeters.
Is this centimeter to astronomical unit converter free?
Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.

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