The kilometer (SI symbol: km) or kilometre (British spelling) is a unit of length in the metric system, equal to 1000 meters (kilo- being the SI prefix for 1000). It is the measurement unit used officially for e ..more definition+
The siriometer is a rarely used and an obsolete astronomical unit of length, defined to be equal to about one million astronomical units (au). One siriometer is approximately 149.6 petametres; 4.848 parsecs; 15.8 ..more definition+
In relation to the base unit of [length] => (meters), 1 Kilometers (km) is equal to 1000 meters, while 1 Siriometer (sir) = 1.496E+17 meters.| 1 Kilometers | to common length units |
|---|---|
| 1 km | = 1000 meters (m) |
| 1 km | = 1 kilometers (km) |
| 1 km | = 100000 centimeters (cm) |
| 1 km | = 3280.8398950131 feet (ft) |
| 1 km | = 39370.078740157 inches (in) |
| 1 km | = 1093.6132983377 yards (yd) |
| 1 km | = 0.62137119223733 miles (mi) |
| 1 km | = 1.056970721911E-13 light years (ly) |
| 1 km | = 3779528.0352161 pixels (PX) |
| 1 km | = 6.25E+37 planck length (pl) |
| Kilometers | to Siriometer (table conversion) |
|---|---|
| 1 km | = 6.6844919786096E-15 sir |
| 2 km | = 1.3368983957219E-14 sir |
| 3 km | = 2.0053475935829E-14 sir |
| 4 km | = 2.6737967914439E-14 sir |
| 5 km | = 3.3422459893048E-14 sir |
| 6 km | = 4.0106951871658E-14 sir |
| 7 km | = 4.6791443850267E-14 sir |
| 8 km | = 5.3475935828877E-14 sir |
| 9 km | = 6.0160427807487E-14 sir |
| 10 km | = 6.6844919786096E-14 sir |
| 20 km | = 1.3368983957219E-13 sir |
| 30 km | = 2.0053475935829E-13 sir |
| 40 km | = 2.6737967914439E-13 sir |
| 50 km | = 3.3422459893048E-13 sir |
| 60 km | = 4.0106951871658E-13 sir |
| 70 km | = 4.6791443850267E-13 sir |
| 80 km | = 5.3475935828877E-13 sir |
| 90 km | = 6.0160427807487E-13 sir |
| 100 km | = 6.6844919786096E-13 sir |
| 200 km | = 1.3368983957219E-12 sir |
| 300 km | = 2.0053475935829E-12 sir |
| 400 km | = 2.6737967914439E-12 sir |
| 500 km | = 3.3422459893048E-12 sir |
| 600 km | = 4.0106951871658E-12 sir |
| 700 km | = 4.6791443850267E-12 sir |
| 800 km | = 5.3475935828877E-12 sir |
| 900 km | = 6.0160427807487E-12 sir |
| 1000 km | = 6.6844919786096E-12 sir |
| 2000 km | = 1.3368983957219E-11 sir |
| 4000 km | = 2.6737967914439E-11 sir |
| 5000 km | = 3.3422459893048E-11 sir |
| 7500 km | = 5.0133689839572E-11 sir |
| 10000 km | = 6.6844919786096E-11 sir |
| 25000 km | = 1.6711229946524E-10 sir |
| 50000 km | = 3.3422459893048E-10 sir |
| 100000 km | = 6.6844919786096E-10 sir |
| 1000000 km | = 6.6844919786096E-9 sir |
| 1000000000 km | = 6.6844919786096E-6 sir |