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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 Petameters (Pm) is equal to 1000000000000000 meters, while 1 Siriometer (sir) = 1.496E+17 meters.123800 Petameters | to common length units |
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123800 Pm | = 1.238E+20 meters (m) |
123800 Pm | = 1.238E+17 kilometers (km) |
123800 Pm | = 1.238E+22 centimeters (cm) |
123800 Pm | = 4.0616797900262E+20 feet (ft) |
123800 Pm | = 4.8740157480315E+21 inches (in) |
123800 Pm | = 1.3538932633421E+20 yards (yd) |
123800 Pm | = 7.6925753598982E+16 miles (mi) |
123800 Pm | = 13085.297537258 light years (ly) |
123800 Pm | = 4.6790557075976E+23 pixels (PX) |
123800 Pm | = 7.7375E+54 planck length (pl) |