Convert 4 Femtometer to Chain (US survey): 4 Femtometer in Chain (US survey)
This calculator allows you to convert from Femtometer to Chain (US survey) and in a reverse direction. To convert from Femtometer to Chain (US survey), enter the amount of Femtometer into the first input and to convert from Chain (US survey) to Femtometer, enter the amount of Chain (US survey) into the second input.
Every 1 Femtometer = 4.9709595959596E-17 Chain (US survey)
and so, 4 Femtometer = 4 multiplied by 4.9709595959596E-17 = 1.9883838383838E-16 Chain (US survey).
Femtometer
What is the femtometer?
The Femtometer is a unit of length. It can be abbreviated as fm. It is used in the SI system of units. It equals 1×10−15 meters. It is used mainly in nuclear physics.