Length
1 mm = 0.394 inches
1 inch = 25.4 mm
Area
1 m2 = 10.7639 ft2
1 ft2 = 0.0929 m2
Volume
1 m3 = 1000 L
1 L = 0.001 m3
Flow
1 m3/s = 1000 L/s
1 L/s = 0.001 m3/s
1 m3/hr = 0.2778 L/s
1 L/s = 3.6 m3/hr
Power:
1 HP = 2.8 kW
1 kW = 0.357 HP
1 kW = 3412 BTU/h
1 BTU/h = 0.000293 kW
1 HP = 9553.6 BTU/h
1 BTU/h = 0.000105 Hp
http://www.onlineconversion.com/