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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 Days (ld) = 25900000000000 meters.| 268000 Siriometer | to common length units |
|---|---|
| 268000 sir | = 4.00928E+22 meters (m) |
| 268000 sir | = 4.00928E+19 kilometers (km) |
| 268000 sir | = 4.00928E+24 centimeters (cm) |
| 268000 sir | = 1.3153805774278E+23 feet (ft) |
| 268000 sir | = 1.5784566929134E+24 inches (in) |
| 268000 sir | = 4.3846019247594E+22 yards (yd) |
| 268000 sir | = 2.4912510936133E+19 miles (mi) |
| 268000 sir | = 4237691.5759433 light years (ly) |
| 268000 sir | = 1.5153186161031E+26 pixels (PX) |
| 268000 sir | = 2.5058E+57 planck length (pl) |