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A city block is between 1⁄20 and 1⁄8 mi (80 and 200 m). In Manhattan, the measurement "block" usually refers to a north–south block, which is 1⁄20 miles or 80 meters. Someti ..more definition+
In relation to the base unit of [length] => (meters), 1 Femtometers (fm) is equal to 1.0E-15 meters, while 1 Blocks (bl) = 80.4672 meters.| 5310649372 Femtometers | to common length units |
|---|---|
| 5310649372 fm | = 5.310649372E-6 meters (m) |
| 5310649372 fm | = 5.310649372E-9 kilometers (km) |
| 5310649372 fm | = 0.0005310649372 centimeters (cm) |
| 5310649372 fm | = 1.7423390328084E-5 feet (ft) |
| 5310649372 fm | = 0.00020908068393701 inches (in) |
| 5310649372 fm | = 5.807796776028E-6 yards (yd) |
| 5310649372 fm | = 3.2998845318341E-9 miles (mi) |
| 5310649372 fm | = 5.6132009005391E-22 light years (ly) |
| 5310649372 fm | = 0.020071748186677 pixels (PX) |
| 5310649372 fm | = 3.3191558575E+29 planck length (pl) |