1 btu/h · ft2 = 3.1546 W/m21 btu/h = 0.29307 W1 cal/h = 1.1622 × 10−3 W
1 btu/h · ft2 = 3.1546 W/m2
1 btu/h = 0.29307 W
1 cal/h = 1.1622 × 10−3 W
3.141.100.120