| Astronomical Unit | 1 AU | = | 1.4960 × 1011 m |
| = | 1.4960 × 108 km | ||
| Light-year | 1 ly | = | 9.4605 × 1015 m |
| = | 63,240 AU | ||
| Parsec | 1 pc | = | 3.2616 ly |
| = | 3.0857 × 1016 m | ||
| = | 206,265 AU | ||
| Year | 1 y | = | 365.2564 days |
| = | 3.156 × 107 s | ||
| Solar mass | 1 M⊙ | = | 1.989 × 1030 kg |
| Solar Radius | 1 R⊙ | = | 6.9599 × 108 m |
| Solar Luminosity | 1 L⊙ | = | 3.90 × 1026 W |