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Power Converter

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Power Converter

Convert watts, kilowatts, megawatts, and horsepower.

About this converter

Power conversion is useful for motors, appliances, chargers, and infrastructure. This section gives a fast way to compare electrical and mechanical power units.

The base unit for this converter is watt, which lets us map each unit into one consistent formula layer before converting to the target unit.

Quick examples

15 W to kW0.015 kW
15 W to MW0.000015 MW
15 kW to W15,000 W
15 kW to MW0.015 MW
15 MW to W15,000,000 W
15 MW to kW15,000 kW
15 hp to W11,185.4980737341 W
15 hp to kW11.1854980737341 kW

Available units

Watt

W

The SI unit of power.

Also written as watts.

Kilowatt

kW

A common practical power unit.

Also written as kilowatts.

Megawatt

MW

A large power unit for industrial and utility systems.

Also written as megawatts.

Horsepower (mechanical)

hp

A customary unit often used for engines.

Also written as horsepower, horsepowers.

Exawatt

EW

Exawatt is a watt-family power unit based on joules per second.

Petawatt

PW

Petawatt is a watt-family power unit based on joules per second.

Terawatt

TW

Terawatt is a watt-family power unit based on joules per second.

Gigawatt

GW

Gigawatt is a watt-family power unit based on joules per second.

Hectowatt

hW

Hectowatt is a watt-family power unit based on joules per second.

Dekawatt

daW

Dekawatt is a watt-family power unit based on joules per second.

Deciwatt

dW

Deciwatt is a watt-family power unit based on joules per second.

Centiwatt

cW

Centiwatt is a watt-family power unit based on joules per second.

Milliwatt

mW

Milliwatt is a watt-family power unit based on joules per second.

Microwatt

uW

Microwatt is a watt-family power unit based on joules per second.

Nanowatt

nW

Nanowatt is a watt-family power unit based on joules per second.

Picowatt

pW

Picowatt is a watt-family power unit based on joules per second.

Femtowatt

fW

Femtowatt is a watt-family power unit based on joules per second.

Attowatt

aW

Attowatt is a watt-family power unit based on joules per second.

Horsepower (550 ft lbf/s)

hp

Horsepower (550 ft lbf/s) is a horsepower-family unit used for mechanical power.

Horsepower (metric)

metric hp

Horsepower (metric) is a horsepower-family unit used for mechanical power.

Horsepower (boiler)

boiler hp

Horsepower (boiler) is a horsepower-family unit used for mechanical power.

Horsepower (electric)

electric hp

Horsepower (electric) is a horsepower-family unit used for mechanical power.

Horsepower (water)

water hp

Horsepower (water) is a horsepower-family unit used for mechanical power.

Pferdestarke

PS

Pferdestarke is a horsepower-family unit used for mechanical power.

Btu (IT) per hour

Btu/h

Btu (IT) per hour is a thermal power unit based on heat energy over time.

Btu (IT) per minute

Btu/min

Btu (IT) per minute is a thermal power unit based on heat energy over time.

Btu (IT) per second

Btu/s

Btu (IT) per second is a thermal power unit based on heat energy over time.

Btu (th) per hour

Btu th/h

Btu (th) per hour is a thermal power unit based on heat energy over time.

Btu (th) per minute

Btu th/min

Btu (th) per minute is a thermal power unit based on heat energy over time.

Btu (th) per second

Btu th/s

Btu (th) per second is a thermal power unit based on heat energy over time.

MBtu (IT) per hour

MBtu/h

MBtu (IT) per hour is a thermal power unit based on heat energy over time.

MBH

MBH

MBH is a thermal power unit based on heat energy over time.

Ton (refrigeration)

TR

Ton (refrigeration) is a thermal power unit based on heat energy over time.

Kilocalorie (IT) per hour

kcal IT/h

Kilocalorie (IT) per hour is a thermal power unit based on heat energy over time.

Kilocalorie (IT) per minute

kcal IT/min

Kilocalorie (IT) per minute is a thermal power unit based on heat energy over time.

Kilocalorie (IT) per second

kcal IT/s

Kilocalorie (IT) per second is a thermal power unit based on heat energy over time.

Kilocalorie (th) per hour

kcal th/h

Kilocalorie (th) per hour is a thermal power unit based on heat energy over time.

Kilocalorie (th) per minute

kcal th/min

Kilocalorie (th) per minute is a thermal power unit based on heat energy over time.

Kilocalorie (th) per second

kcal th/s

Kilocalorie (th) per second is a thermal power unit based on heat energy over time.

Calorie (IT) per hour

cal IT/h

Calorie (IT) per hour is a thermal power unit based on heat energy over time.

Calorie (IT) per minute

cal IT/min

Calorie (IT) per minute is a thermal power unit based on heat energy over time.

Calorie (IT) per second

cal IT/s

Calorie (IT) per second is a thermal power unit based on heat energy over time.

Calorie (th) per hour

cal th/h

Calorie (th) per hour is a thermal power unit based on heat energy over time.

Calorie (th) per minute

cal th/min

Calorie (th) per minute is a thermal power unit based on heat energy over time.

Calorie (th) per second

cal th/s

Calorie (th) per second is a thermal power unit based on heat energy over time.

Foot pound-force per hour

ft lbf/h

Foot pound-force per hour expresses mechanical work or energy delivered over time.

Foot pound-force per minute

ft lbf/min

Foot pound-force per minute expresses mechanical work or energy delivered over time.

Foot pound-force per second

ft lbf/s

Foot pound-force per second expresses mechanical work or energy delivered over time.

Pound-foot per hour

lbf ft/h

Pound-foot per hour expresses mechanical work or energy delivered over time.

Pound-foot per minute

lbf ft/min

Pound-foot per minute expresses mechanical work or energy delivered over time.

Pound-foot per second

lbf ft/s

Pound-foot per second expresses mechanical work or energy delivered over time.

Erg per second

erg/s

Erg per second expresses mechanical work or energy delivered over time.

Kilovolt ampere

kVA

Kilovolt ampere is an apparent-power unit used in electrical systems.

Volt ampere

VA

Volt ampere is an apparent-power unit used in electrical systems.

Newton meter per second

N m/s

Newton meter per second expresses mechanical work or energy delivered over time.

Joule per second

J/s

Joule per second is a watt-family power unit based on joules per second.

Exajoule per second

EJ/s

Exajoule per second is a watt-family power unit based on joules per second.

Petajoule per second

PJ/s

Petajoule per second is a watt-family power unit based on joules per second.

Terajoule per second

TJ/s

Terajoule per second is a watt-family power unit based on joules per second.

Gigajoule per second

GJ/s

Gigajoule per second is a watt-family power unit based on joules per second.

Megajoule per second

MJ/s

Megajoule per second is a watt-family power unit based on joules per second.

Kilojoule per second

kJ/s

Kilojoule per second is a watt-family power unit based on joules per second.

Hectojoule per second

hJ/s

Hectojoule per second is a watt-family power unit based on joules per second.

Dekajoule per second

daJ/s

Dekajoule per second is a watt-family power unit based on joules per second.

Decijoule per second

dJ/s

Decijoule per second is a watt-family power unit based on joules per second.

Centijoule per second

cJ/s

Centijoule per second is a watt-family power unit based on joules per second.

Millijoule per second

mJ/s

Millijoule per second is a watt-family power unit based on joules per second.

Microjoule per second

uJ/s

Microjoule per second is a watt-family power unit based on joules per second.

Nanojoule per second

nJ/s

Nanojoule per second is a watt-family power unit based on joules per second.

Picojoule per second

pJ/s

Picojoule per second is a watt-family power unit based on joules per second.

Femtojoule per second

fJ/s

Femtojoule per second is a watt-family power unit based on joules per second.

Attojoule per second

aJ/s

Attojoule per second is a watt-family power unit based on joules per second.

Joule per hour

J/h

Joule per hour is a specialist power unit for technical conversion scenarios.

Joule per minute

J/min

Joule per minute is a specialist power unit for technical conversion scenarios.

Kilojoule per hour

kJ/h

Kilojoule per hour is a specialist power unit for technical conversion scenarios.

Kilojoule per minute

kJ/min

Kilojoule per minute is a specialist power unit for technical conversion scenarios.