Femtowatt-hours to therms (UK) equation
To convert femtowatt-hours to therms (UK):
Multiply the number of femtowatt-hours by 3.412141633278392e-20
About femtowatt-hours
One femtowatt-hour is equal to a quadrillionth watt-hours
About therms (UK)
The definition of a therm differs globally — one UK therm is equal to 100,000 International Steam Table British thermal units