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The millimeter (symbol = mm), or millimetre (British spelling) is a unit of length in the metric system, equal to one thousandth of a meter, which is the SI base unit ..more definition+
In relation to the base unit of [length] => (meters), 1 Femtometers (fm) is equal to 1.0E-15 meters, while 1 Millimeters (mm) = 0.001 meters.| 8564481821 Femtometers | to common length units |
|---|---|
| 8564481821 fm | = 8.564481821E-6 meters (m) |
| 8564481821 fm | = 8.564481821E-9 kilometers (km) |
| 8564481821 fm | = 0.0008564481821 centimeters (cm) |
| 8564481821 fm | = 2.8098693638451E-5 feet (ft) |
| 8564481821 fm | = 0.00033718432366142 inches (in) |
| 8564481821 fm | = 9.3662312128171E-6 yards (yd) |
| 8564481821 fm | = 5.3217222800097E-9 miles (mi) |
| 8564481821 fm | = 9.052406533136E-22 light years (ly) |
| 8564481821 fm | = 0.032369699149568 pixels (PX) |
| 8564481821 fm | = 5.352801138125E+29 planck length (pl) |