Lich seconde
Metrisch
- Kilometer (km)299.792,36
- Meter (m)299.792.363,81
- Decimeter (dm)3×10⁹
- Centimeter (cm)3×10¹⁰
- Millimeter (mm)3×10¹¹
- Micrometer (µm)3×10¹⁴
- Nanometer (nm)3×10¹⁷
- Angstrom (Å)3×10¹⁸
Astronomisch
- Parsec (pc)9,72×10⁻⁹
- Licht jaar3,17×10⁻⁸
- Astronomische eenheid (AE)2×10⁻³
- Licht minuut0,02
- Lich seconde1