Convert Decimeters to Astronomical Units
Convert Decimeters (dm) to Astronomical Units (AU) instantly and accurately.
Conversion Formula
AU = dm × 6.684587122e-13
About Decimeters
A decimeter (dm) is one tenth of a meter, equal to 10 centimeters. While less commonly used in everyday measurements, it's particularly important in volume calculations, as 1 liter equals 1 cubic decimeter. A typical smartphone is about 1.5-1.7 decimeters long, and a standard book is roughly 2-2.5 decimeters tall. In some European countries, decimeters are used in construction and scientific measurements as an intermediate unit between centimeters and meters.
About Astronomical Units
An astronomical unit (AU) is the average distance between Earth and the Sun, precisely defined as 149,597,870.7 kilometers. This unit provides a convenient scale for measuring distances within our solar system. Mars orbits at 1.5 AU, Jupiter at 5.2 AU, and Neptune at about 30 AU from the Sun. The dwarf planet Pluto reaches up to 49 AU away. Light takes about 8.3 minutes to travel 1 AU, explaining why we see the Sun as it was 8 minutes ago. The AU is fundamental in astronomy and space exploration.
Quick Reference Table
| Decimeters (dm) | Astronomical Units (AU) |
|---|---|
| 1 dm | 6.685 × 10-13 AU |
| 2 dm | 1.337 × 10-12 AU |
| 5 dm | 3.342 × 10-12 AU |
| 10 dm | 6.685 × 10-12 AU |
| 25 dm | 1.671 × 10-11 AU |
| 50 dm | 3.342 × 10-11 AU |
| 100 dm | 6.685 × 10-11 AU |