This calculator allows you to convert from Femtowatt to Btu (IT)/second and in a reverse direction. To convert from Femtowatt to Btu (IT)/second, enter the amount of Femtowatt into the first input and to convert from Btu (IT)/second to Femtowatt, enter the amount of Btu (IT)/second into the second input.
4 Femtowatt = 3.7912684812533E-18 Btu (IT)/second
Femtowatt to Watt | Femtowatt to Erg/second | Femtowatt to Horsepower | Femtowatt to Pferdestarke (ps) | Femtowatt to Foot pound-force/minute | Femtowatt to Kilocalorie (th)/hour | Femtowatt to Btu (IT)/hour |4 Femtowatt equal 3.7912684812533E-18 Btu (IT)/second.
Every 1 Femtowatt = 9.4781712031332E-19 Btu (IT)/second and so, 4 Femtowatt = 4 multiplied by 9.4781712031332E-19 = 3.7912684812533E-18 Btu (IT)/second.
| 1 Femtowatt = 9.4781712031332E-19 Btu (IT)/second |
| 2 Femtowatt = 1.8956342406266E-18 Btu (IT)/second |
| 3 Femtowatt = 2.84345136094E-18 Btu (IT)/second |
| 4 Femtowatt = 3.7912684812533E-18 Btu (IT)/second |
| 5 Femtowatt = 4.7390856015666E-18 Btu (IT)/second |
| 6 Femtowatt = 5.6869027218799E-18 Btu (IT)/second |
| 7 Femtowatt = 6.6347198421932E-18 Btu (IT)/second |
| 8 Femtowatt = 7.5825369625066E-18 Btu (IT)/second |
| 9 Femtowatt = 8.5303540828199E-18 Btu (IT)/second |
| 10 Femtowatt = 9.4781712031332E-18 Btu (IT)/second |
| 11 Femtowatt = 1.0425988323447E-17 Btu (IT)/second |
| 12 Femtowatt = 1.137380544376E-17 Btu (IT)/second |
| 13 Femtowatt = 1.2321622564073E-17 Btu (IT)/second |
| 14 Femtowatt = 1.3269439684386E-17 Btu (IT)/second |
