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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 approxim ..more definition+
In relation to the base unit of [length] => (meters), 1 Siriometer (sir) is equal to 1.496E+17 meters, while 1 Light Hours (lh) = 1079000000000 meters.| 401000 Siriometer | to common length units |
|---|---|
| 401000 sir | = 5.99896E+22 meters (m) |
| 401000 sir | = 5.99896E+19 kilometers (km) |
| 401000 sir | = 5.99896E+24 centimeters (cm) |
| 401000 sir | = 1.9681627296588E+23 feet (ft) |
| 401000 sir | = 2.3617952755906E+24 inches (in) |
| 401000 sir | = 6.560542432196E+22 yards (yd) |
| 401000 sir | = 3.7275809273841E+19 miles (mi) |
| 401000 sir | = 6340725.0819152 light years (ly) |
| 401000 sir | = 2.267323750214E+26 pixels (PX) |
| 401000 sir | = 3.74935E+57 planck length (pl) |