Power converter

21 units, SI unit W. Every conversion runs through the SI base value, so round-trips are exact.

1 hp = 745.7 W
1 hp in every power unit
nanowatt745,700,000,000 nW
erg per second7,457,000,000 erg/s
microwatt745,700,000 μW
milliwatt745,700 mW
foot pound-force per minute33,000 ft·lbf/min
BTU per hour2,544.4 BTU/h
watt745.7 W
kilocalorie per hour641.19 kcal/h
foot pound-force per second550 ft·lbf/s
thousand BTU per hour2.5444 MBH
metric horsepower1.0139 PS
horsepower (mechanical)1 hp
electrical horsepower0.9996 hp (elec)
kilowatt0.7457 kW
ton of refrigeration0.21204 ton
boiler horsepower0.076018 bhp
million BTU per hour0.0025444 MMBTU/h
megawatt0.0007457 MW
gigawatt7.4570e-07 GW
terawatt7.4570e-10 TW
solar luminosity1.9480e-24 Lsun
One watt in every unit
nanowatt (nW)1,000,000,000 nW
erg per second (erg/s)10,000,000 erg/s
microwatt (μW)1,000,000 μW
milliwatt (mW)1,000 mW
foot pound-force per minute (ft·lbf/min)44.253729 ft·lbf/min
BTU per hour (BTU/h)3.4121416 BTU/h
watt (W)1 W
kilocalorie per hour (kcal/h)0.85984523 kcal/h
foot pound-force per second (ft·lbf/s)0.73756215 ft·lbf/s
thousand BTU per hour (MBH)0.0034121416 MBH
metric horsepower (PS)0.0013596216 PS
horsepower (mechanical) (hp)0.0013410221 hp
electrical horsepower (hp (elec))0.0013404826 hp (elec)
kilowatt (kW)0.001 kW
ton of refrigeration (ton)0.00028434514 ton
boiler horsepower (bhp)0.000101942 bhp
million BTU per hour (MMBTU/h)0.0000034121416 MMBTU/h
megawatt (MW)0.000001 MW
gigawatt (GW)1.0000000e-09 GW
terawatt (TW)1.0000000e-12 TW
solar luminosity (Lsun)2.6123302e-27 Lsun