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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.| 1010000000000 Zeptometers | to common length units |
|---|---|
| 1010000000000 zm | = 1.01E-9 meters (m) |
| 1010000000000 zm | = 1.01E-12 kilometers (km) |
| 1010000000000 zm | = 1.01E-7 centimeters (cm) |
| 1010000000000 zm | = 3.3136482939633E-9 feet (ft) |
| 1010000000000 zm | = 3.9763779527559E-8 inches (in) |
| 1010000000000 zm | = 1.1045494313211E-9 yards (yd) |
| 1010000000000 zm | = 6.2758490415971E-13 miles (mi) |
| 1010000000000 zm | = 1.0675404291301E-25 light years (ly) |
| 1010000000000 zm | = 3.8173233155683E-6 pixels (PX) |
| 1010000000000 zm | = 6.3125E+25 planck length (pl) |