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Centimeters to astronomical units

1 centimeter in astronomical units
1 cm = 6.685 × 10^-14 AU
AU = cm × 6.684587122 × 10^-14

To convert centimeters to astronomical units, multiply by 6.684587122 × 10^-14. The table below gives the values people look up most often, and the converter works for any number.

Centimeters to astronomical units table

Common centimeter values converted to astronomical units.
Centimeters Astronomical units
1 cm 6.685 × 10^-14
2 cm 1.337 × 10^-13
3 cm 2.005 × 10^-13
4 cm 2.674 × 10^-13
5 cm 3.342 × 10^-13
10 cm 6.685 × 10^-13
15 cm 1.003 × 10^-12
20 cm 1.337 × 10^-12
25 cm 1.671 × 10^-12
30 cm 2.005 × 10^-12
40 cm 2.674 × 10^-12
50 cm 3.342 × 10^-12
75 cm 5.013 × 10^-12
100 cm 6.685 × 10^-12
250 cm 1.671 × 10^-11
500 cm 3.342 × 10^-11
1,000 cm 6.685 × 10^-11

How the conversion works

The relationship is AU = cm × 6.684587122 × 10^-14. Both units measure length, so the conversion is a fixed factor that never changes.

Common questions

How many astronomical units are in one centimeter?
One centimeter equals 6.685 × 10^-14 astronomical units. AU = cm × 6.684587122 × 10^-14.
How do you convert centimeters to astronomical units?
Use AU = cm × 6.684587122 × 10^-14. So 10 cm is 6.685 × 10^-13 AU.
How many centimeters are in one astronomical unit?
One astronomical unit equals 14,959,787,000,000 centimeters, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked