Power Converter

Convert watts, horsepower, kW, BTU/h, and more — instantly.

Free power unit converter. Convert hp to watts, kW to hp, BTU/h to watts, and more. Mechanical and metric horsepower labeled clearly. Use the express converter for any unit pair, or open a quick conversion below.

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1 horsepower (mechanical / uk) = 745.6998715823 watts

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Horsepower (Mechanical / UK) → Watt

Horsepower (Mechanical / UK) to Watt

Watt → Horsepower (Mechanical / UK)

Watt to Horsepower (Mechanical / UK)

Kilowatt → Horsepower (Mechanical / UK)

Kilowatt to Horsepower (Mechanical / UK)

Horsepower (Mechanical / UK) → Kilowatt

Horsepower (Mechanical / UK) to Kilowatt

Watt → Kilowatt

Watt to Kilowatt

Kilowatt → Watt

Kilowatt to Watt

Megawatt → Kilowatt

Megawatt to Kilowatt

Kilowatt → Megawatt

Kilowatt to Megawatt

British Thermal Unit (IT) per Hour → Watt

British Thermal Unit (IT) per Hour to Watt

Watt → British Thermal Unit (IT) per Hour

Watt to British Thermal Unit (IT) per Hour

Kilowatt → British Thermal Unit (IT) per Hour

Kilowatt to British Thermal Unit (IT) per Hour

British Thermal Unit (IT) per Hour → Kilowatt

British Thermal Unit (IT) per Hour to Kilowatt

Horsepower (Metric) → Kilowatt

Horsepower (Metric) to Kilowatt

Kilowatt → Horsepower (Metric)

Kilowatt to Horsepower (Metric)

Horsepower (Mechanical / UK) → Horsepower (Metric)

Horsepower (Mechanical / UK) to Horsepower (Metric)

Horsepower (Metric) → Horsepower (Mechanical / UK)

Horsepower (Metric) to Horsepower (Mechanical / UK)

Watt → Milliwatt

Watt to Milliwatt

Milliwatt → Watt

Milliwatt to Watt

Ton (Refrigeration) → British Thermal Unit (IT) per Hour

Ton (Refrigeration) to British Thermal Unit (IT) per Hour

British Thermal Unit (IT) per Hour → Ton (Refrigeration)

British Thermal Unit (IT) per Hour to Ton (Refrigeration)

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Pick any unit to open a two-way conversion. Mechanical (imperial) hp, metric PS, and other horsepower variants are labeled clearly.

From

WATT

1 W = 0.0013410220896 hp

watt (W) → horsepower (mechanical / uk) (hp) horsepower (mechanical / uk) (hp) → watt (W)

KILOWATT

1 kW = 1.3410220896 hp

kilowatt (kW) → horsepower (mechanical / uk) (hp) horsepower (mechanical / uk) (hp) → kilowatt (kW)

MEGAWATT

1 MW = 1,000 kW

megawatt (MW) → kilowatt (kW) kilowatt (kW) → megawatt (MW)

GIGAWATT

1 GW = 1,000,000,000 W

gigawatt (GW) → watt (W) watt (W) → gigawatt (GW)

HORSEPOWER (MECHANICAL / UK)

1 hp = 745.6998715823 W

horsepower (mechanical / uk) (hp) → watt (W) watt (W) → horsepower (mechanical / uk) (hp)

HORSEPOWER (METRIC)

1 metric hp = 0.73549875 kW

horsepower (metric) (metric hp) → kilowatt (kW) kilowatt (kW) → horsepower (metric) (metric hp)

HORSEPOWER (ELECTRIC)

1 hp (electric) = 746 W

horsepower (electric) (hp (electric)) → watt (W) watt (W) → horsepower (electric) (hp (electric))

BRITISH THERMAL UNIT (IT) PER HOUR

1 Btu/h = 0.2930710702 W

british thermal unit (it) per hour (Btu/h) → watt (W) watt (W) → british thermal unit (it) per hour (Btu/h)

TON (REFRIGERATION)

1 TR = 11,999.9999988627 Btu/h

ton (refrigeration) (TR) → british thermal unit (it) per hour (Btu/h) british thermal unit (it) per hour (Btu/h) → ton (refrigeration) (TR)

EXAWATT

1 EW = 1,000,000,000,000,000,000 W

exawatt (EW) → watt (W) watt (W) → exawatt (EW)

PETAWATT

1 PW = 1,000,000,000,000,000 W

petawatt (PW) → watt (W) watt (W) → petawatt (PW)

TERAWATT

1 TW = 1,000,000,000,000 W

terawatt (TW) → watt (W) watt (W) → terawatt (TW)

HECTOWATT

1 hW = 100 W

hectowatt (hW) → watt (W) watt (W) → hectowatt (hW)

DEKAWATT

1 daW = 10 W

dekawatt (daW) → watt (W) watt (W) → dekawatt (daW)

DECIWATT

1 dW = 0.1 W

deciwatt (dW) → watt (W) watt (W) → deciwatt (dW)

CENTIWATT

1 cW = 0.01 W

centiwatt (cW) → watt (W) watt (W) → centiwatt (cW)

MILLIWATT

1 mW = 0.001 W

milliwatt (mW) → watt (W) watt (W) → milliwatt (mW)

MICROWATT

1 µW = 0.000001 W

microwatt (µW) → watt (W) watt (W) → microwatt (µW)

NANOWATT

1 nW = 0.000000001 W

nanowatt (nW) → watt (W) watt (W) → nanowatt (nW)

PICOWATT

1 pW = 0.000000000001 W

picowatt (pW) → watt (W) watt (W) → picowatt (pW)

FEMTOWATT

1 fW = 0.000000000000001 W

femtowatt (fW) → watt (W) watt (W) → femtowatt (fW)

ATTOWATT

1 aW = 0.000000000000000001 W

attowatt (aW) → watt (W) watt (W) → attowatt (aW)

HORSEPOWER (550 FT·LBF/S)

1 hp = 745.6998715823 W

horsepower (550 ft·lbf/s) (hp) → watt (W) watt (W) → horsepower (550 ft·lbf/s) (hp)

HORSEPOWER (BOILER)

1 hp (boiler) = 9,809.5000000002 W

horsepower (boiler) (hp (boiler)) → watt (W) watt (W) → horsepower (boiler) (hp (boiler))

HORSEPOWER (WATER)

1 hp (water) = 746.043 W

horsepower (water) (hp (water)) → watt (W) watt (W) → horsepower (water) (hp (water))

PFERDESTÄRKE (PS)

1 PS = 735.49875 W

pferdestärke (ps) (PS) → watt (W) watt (W) → pferdestärke (ps) (PS)

BRITISH THERMAL UNIT (IT) PER MINUTE

1 Btu/min = 17.5842642103 W

british thermal unit (it) per minute (Btu/min) → watt (W) watt (W) → british thermal unit (it) per minute (Btu/min)

BRITISH THERMAL UNIT (IT) PER SECOND

1 Btu/s = 1,055.05585262 W

british thermal unit (it) per second (Btu/s) → watt (W) watt (W) → british thermal unit (it) per second (Btu/s)

BRITISH THERMAL UNIT (THERMOCHEMICAL) PER HOUR

1 Btu (th)/h = 0.292875 W

british thermal unit (thermochemical) per hour (Btu (th)/h) → watt (W) watt (W) → british thermal unit (thermochemical) per hour (Btu (th)/h)

BRITISH THERMAL UNIT (THERMOCHEMICAL) PER MINUTE

1 Btu (th)/min = 17.5724999996 W

british thermal unit (thermochemical) per minute (Btu (th)/min) → watt (W) watt (W) → british thermal unit (thermochemical) per minute (Btu (th)/min)

BRITISH THERMAL UNIT (THERMOCHEMICAL) PER SECOND

1 Btu (th)/s = 1,054.3499999744 W

british thermal unit (thermochemical) per second (Btu (th)/s) → watt (W) watt (W) → british thermal unit (thermochemical) per second (Btu (th)/s)

MEGA BRITISH THERMAL UNIT (IT) PER HOUR

1 MBtu/h = 293,071.07017222 W

mega british thermal unit (it) per hour (MBtu/h) → watt (W) watt (W) → mega british thermal unit (it) per hour (MBtu/h)

MBH (THOUSAND BTU PER HOUR)

1 mbh (thousand btu per hour) = 293.0710701722 W

mbh (thousand btu per hour) → watt (W) watt (W) → mbh (thousand btu per hour)

KILOCALORIE (IT) PER HOUR

1 kcal/h = 1.163 W

kilocalorie (it) per hour (kcal/h) → watt (W) watt (W) → kilocalorie (it) per hour (kcal/h)

KILOCALORIE (IT) PER MINUTE

1 kcal/min = 69.78 W

kilocalorie (it) per minute (kcal/min) → watt (W) watt (W) → kilocalorie (it) per minute (kcal/min)

KILOCALORIE (IT) PER SECOND

1 kcal/s = 4,186.8 W

kilocalorie (it) per second (kcal/s) → watt (W) watt (W) → kilocalorie (it) per second (kcal/s)

KILOCALORIE (THERMOCHEMICAL) PER HOUR

1 kcal (th)/h = 1.1622222222 W

kilocalorie (thermochemical) per hour (kcal (th)/h) → watt (W) watt (W) → kilocalorie (thermochemical) per hour (kcal (th)/h)

KILOCALORIE (THERMOCHEMICAL) PER MINUTE

1 kcal (th)/min = 69.7333333333 W

kilocalorie (thermochemical) per minute (kcal (th)/min) → watt (W) watt (W) → kilocalorie (thermochemical) per minute (kcal (th)/min)

KILOCALORIE (THERMOCHEMICAL) PER SECOND

1 kcal (th)/s = 4,184 W

kilocalorie (thermochemical) per second (kcal (th)/s) → watt (W) watt (W) → kilocalorie (thermochemical) per second (kcal (th)/s)

CALORIE (IT) PER HOUR

1 cal/h = 0.001163 W

calorie (it) per hour (cal/h) → watt (W) watt (W) → calorie (it) per hour (cal/h)

CALORIE (IT) PER MINUTE

1 cal/min = 0.06978 W

calorie (it) per minute (cal/min) → watt (W) watt (W) → calorie (it) per minute (cal/min)

CALORIE (IT) PER SECOND

1 cal/s = 4.1868 W

calorie (it) per second (cal/s) → watt (W) watt (W) → calorie (it) per second (cal/s)

CALORIE (THERMOCHEMICAL) PER HOUR

1 cal (th)/h = 0.0011622222 W

calorie (thermochemical) per hour (cal (th)/h) → watt (W) watt (W) → calorie (thermochemical) per hour (cal (th)/h)

CALORIE (THERMOCHEMICAL) PER MINUTE

1 cal (th)/min = 0.0697333333 W

calorie (thermochemical) per minute (cal (th)/min) → watt (W) watt (W) → calorie (thermochemical) per minute (cal (th)/min)

CALORIE (THERMOCHEMICAL) PER SECOND

1 cal (th)/s = 4.184 W

calorie (thermochemical) per second (cal (th)/s) → watt (W) watt (W) → calorie (thermochemical) per second (cal (th)/s)

FOOT POUND-FORCE PER HOUR

1 ft·lbf/h = 0.0003766161 W

foot pound-force per hour (ft·lbf/h) → watt (W) watt (W) → foot pound-force per hour (ft·lbf/h)

FOOT POUND-FORCE PER MINUTE

1 ft·lbf/min = 0.0225969658 W

foot pound-force per minute (ft·lbf/min) → watt (W) watt (W) → foot pound-force per minute (ft·lbf/min)

FOOT POUND-FORCE PER SECOND

1 ft·lbf/s = 1.3558179483 W

foot pound-force per second (ft·lbf/s) → watt (W) watt (W) → foot pound-force per second (ft·lbf/s)

POUND-FOOT PER HOUR

1 lbf·ft/h = 0.0003766161 W

pound-foot per hour (lbf·ft/h) → watt (W) watt (W) → pound-foot per hour (lbf·ft/h)

POUND-FOOT PER MINUTE

1 lbf·ft/min = 0.0225969658 W

pound-foot per minute (lbf·ft/min) → watt (W) watt (W) → pound-foot per minute (lbf·ft/min)

POUND-FOOT PER SECOND

1 lbf·ft/s = 1.3558179483 W

pound-foot per second (lbf·ft/s) → watt (W) watt (W) → pound-foot per second (lbf·ft/s)

ERG PER SECOND

1 erg/s = 0.0000001 W

erg per second (erg/s) → watt (W) watt (W) → erg per second (erg/s)

KILOVOLT AMPERE

1 kV·A = 1,000 W

kilovolt ampere (kV·A) → watt (W) watt (W) → kilovolt ampere (kV·A)

VOLT AMPERE

1 V·A = 1 W

volt ampere (V·A) → watt (W) watt (W) → volt ampere (V·A)

NEWTON METER PER SECOND

1 N·m/s = 1 W

newton meter per second (N·m/s) → watt (W) watt (W) → newton meter per second (N·m/s)

JOULE PER SECOND

1 J/s = 1 W

joule per second (J/s) → watt (W) watt (W) → joule per second (J/s)

EXAJOULE PER SECOND

1 EJ/s = 1,000,000,000,000,000,000 W

exajoule per second (EJ/s) → watt (W) watt (W) → exajoule per second (EJ/s)

PETAJOULE PER SECOND

1 PJ/s = 1,000,000,000,000,000 W

petajoule per second (PJ/s) → watt (W) watt (W) → petajoule per second (PJ/s)

TERAJOULE PER SECOND

1 TJ/s = 1,000,000,000,000 W

terajoule per second (TJ/s) → watt (W) watt (W) → terajoule per second (TJ/s)

GIGAJOULE PER SECOND

1 GJ/s = 1,000,000,000 W

gigajoule per second (GJ/s) → watt (W) watt (W) → gigajoule per second (GJ/s)

MEGAJOULE PER SECOND

1 MJ/s = 1,000,000 W

megajoule per second (MJ/s) → watt (W) watt (W) → megajoule per second (MJ/s)

KILOJOULE PER SECOND

1 kJ/s = 1,000 W

kilojoule per second (kJ/s) → watt (W) watt (W) → kilojoule per second (kJ/s)

HECTOJOULE PER SECOND

1 hJ/s = 100 W

hectojoule per second (hJ/s) → watt (W) watt (W) → hectojoule per second (hJ/s)

DEKAJOULE PER SECOND

1 daJ/s = 10 W

dekajoule per second (daJ/s) → watt (W) watt (W) → dekajoule per second (daJ/s)

DECIJOULE PER SECOND

1 dJ/s = 0.1 W

decijoule per second (dJ/s) → watt (W) watt (W) → decijoule per second (dJ/s)

CENTIJOULE PER SECOND

1 cJ/s = 0.01 W

centijoule per second (cJ/s) → watt (W) watt (W) → centijoule per second (cJ/s)

MILLIJOULE PER SECOND

1 mJ/s = 0.001 W

millijoule per second (mJ/s) → watt (W) watt (W) → millijoule per second (mJ/s)

MICROJOULE PER SECOND

1 µJ/s = 0.000001 W

microjoule per second (µJ/s) → watt (W) watt (W) → microjoule per second (µJ/s)

NANOJOULE PER SECOND

1 nJ/s = 0.000000001 W

nanojoule per second (nJ/s) → watt (W) watt (W) → nanojoule per second (nJ/s)

PICOJOULE PER SECOND

1 pJ/s = 0.000000000001 W

picojoule per second (pJ/s) → watt (W) watt (W) → picojoule per second (pJ/s)

FEMTOJOULE PER SECOND

1 fJ/s = 0.000000000000001 W

femtojoule per second (fJ/s) → watt (W) watt (W) → femtojoule per second (fJ/s)

ATTOJOULE PER SECOND

1 aJ/s = 0.000000000000000001 W

attojoule per second (aJ/s) → watt (W) watt (W) → attojoule per second (aJ/s)

JOULE PER HOUR

1 J/h = 0.0002777778 W

joule per hour (J/h) → watt (W) watt (W) → joule per hour (J/h)

JOULE PER MINUTE

1 J/min = 0.0166666667 W

joule per minute (J/min) → watt (W) watt (W) → joule per minute (J/min)

KILOJOULE PER HOUR

1 kJ/h = 0.2777777778 W

kilojoule per hour (kJ/h) → watt (W) watt (W) → kilojoule per hour (kJ/h)

KILOJOULE PER MINUTE

1 kJ/min = 16.6666666667 W

kilojoule per minute (kJ/min) → watt (W) watt (W) → kilojoule per minute (kJ/min)