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A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Someti ..more definition+
In relation to the base unit of [length] => (meters), 1 Zeptometers (zm) is equal to 1.0E-21 meters, while 1 Spans (span) = 0.2286 meters.| 3785000000000 Zeptometers | to common length units |
|---|---|
| 3785000000000 zm | = 3.785E-9 meters (m) |
| 3785000000000 zm | = 3.785E-12 kilometers (km) |
| 3785000000000 zm | = 3.785E-7 centimeters (cm) |
| 3785000000000 zm | = 1.2417979002625E-8 feet (ft) |
| 3785000000000 zm | = 1.490157480315E-7 inches (in) |
| 3785000000000 zm | = 4.1393263342082E-9 yards (yd) |
| 3785000000000 zm | = 2.3518899626183E-12 miles (mi) |
| 3785000000000 zm | = 4.0006341824331E-25 light years (ly) |
| 3785000000000 zm | = 1.4305513613293E-5 pixels (PX) |
| 3785000000000 zm | = 2.365625E+26 planck length (pl) |