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The kilometer (SI symbol: km) or kilometre (British spelling) is a unit of length in the metric system, equal to 1000 meters (kilo- being the SI prefix for 1000). It is ..more definition+
In relation to the base unit of [length] => (meters), 1 Femtometers (fm) is equal to 1.0E-15 meters, while 1 Kilometers (km) = 1000 meters.| 1 Femtometers | to common length units |
|---|---|
| 1 fm | = 1.0E-15 meters (m) |
| 1 fm | = 1.0E-18 kilometers (km) |
| 1 fm | = 1.0E-13 centimeters (cm) |
| 1 fm | = 3.2808398950131E-15 feet (ft) |
| 1 fm | = 3.9370078740157E-14 inches (in) |
| 1 fm | = 1.0936132983377E-15 yards (yd) |
| 1 fm | = 6.2137119223733E-19 miles (mi) |
| 1 fm | = 1.056970721911E-31 light years (ly) |
| 1 fm | = 3.7795280352161E-12 pixels (PX) |
| 1 fm | = 6.25E+19 planck length (pl) |
| Femtometers | to Kilometers (table conversion) |
|---|---|
| 1 fm | = 1.0E-18 km |
| 2 fm | = 2.0E-18 km |
| 3 fm | = 3.0E-18 km |
| 4 fm | = 4.0E-18 km |
| 5 fm | = 5.0E-18 km |
| 6 fm | = 6.0E-18 km |
| 7 fm | = 7.0E-18 km |
| 8 fm | = 8.0E-18 km |
| 9 fm | = 9.0E-18 km |
| 10 fm | = 1.0E-17 km |
| 20 fm | = 2.0E-17 km |
| 30 fm | = 3.0E-17 km |
| 40 fm | = 4.0E-17 km |
| 50 fm | = 5.0E-17 km |
| 60 fm | = 6.0E-17 km |
| 70 fm | = 7.0E-17 km |
| 80 fm | = 8.0E-17 km |
| 90 fm | = 9.0E-17 km |
| 100 fm | = 1.0E-16 km |
| 200 fm | = 2.0E-16 km |
| 300 fm | = 3.0E-16 km |
| 400 fm | = 4.0E-16 km |
| 500 fm | = 5.0E-16 km |
| 600 fm | = 6.0E-16 km |
| 700 fm | = 7.0E-16 km |
| 800 fm | = 8.0E-16 km |
| 900 fm | = 9.0E-16 km |
| 1000 fm | = 1.0E-15 km |
| 2000 fm | = 2.0E-15 km |
| 4000 fm | = 4.0E-15 km |
| 5000 fm | = 5.0E-15 km |
| 7500 fm | = 7.5E-15 km |
| 10000 fm | = 1.0E-14 km |
| 25000 fm | = 2.5E-14 km |
| 50000 fm | = 5.0E-14 km |
| 100000 fm | = 1.0E-13 km |
| 1000000 fm | = 1.0E-12 km |
| 1000000000 fm | = 1.0E-9 km |