Convert Centimeter to Astronomical Unit
Convert centimeters to astronomical units by entering a value below.
How to Convert Centimeters to Astronomical Units
The centimeter and astronomical unit are both units of length. By definition, 1 astronomical unit equals exactly 1.496e13 centimeters. This means to convert centimeters to astronomical units, you divide by 1.496e13.
Formula
Step-by-Step Example
Convert 5 cm to astronomical units:
We need to convert centimeters to astronomical units
Since 1 AU = 1.496e13 cm, divide by 1.496e13
5 ÷ 1.496e13 = 3.3422459893e-13
5 cm = 3.3422459893e-13 AU
Centimeter to Astronomical Unit Conversion Table
Quick reference table for common centimeter to astronomical unit conversions. Click any value for detailed calculation.
| Centimeters (cm) | Astronomical Units (AU) |
|---|---|
| 0.1 cm | 6.6844919786e-15 AU |
| 0.5 cm | 3.3422459893e-14 AU |
| 1 cm | 6.6844919786e-14 AU |
| 2 cm | 1.3368983957e-13 AU |
| 5 cm | 3.3422459893e-13 AU |
| 10 cm | 6.6844919786e-13 AU |
| 25 cm | 1.6711229947e-12 AU |
| 50 cm | 3.3422459893e-12 AU |
| 100 cm | 6.6844919786e-12 AU |
About These Units
Centimeter (cm)
A centimeter (cm) is a metric unit of length equal to 1/100 of a meter or 0.3937 inches. Centimeters are widely used worldwide for measuring height, body dimensions, clothing sizes, screen diagonals, and small objects. Key conversion: 1 inch = 2.54 cm exactly.
Astronomical Unit (AU)
An astronomical unit (AU) is the average distance from Earth to the Sun: approximately 149.6 million kilometers or 93 million miles. AUs measure distances within our solar system. Mars is 1.52 AU from the Sun, Jupiter is 5.2 AU.
Frequently Asked Questions
How do I convert centimeters to astronomical units?
To convert centimeters to astronomical units, divide the value by 1.496e13. For example, 10 cm = 6.6844919786e-13 AU.
How many astronomical units are in 1 centimeter?
1 centimeter equals 6.6844919786e-14 astronomical units.
What is the formula for centimeters to astronomical units?
The formula is: AU = cm ÷ 1.496e13.