Power Converter
unit-converter
Convert between W/mW/kW/MW/GW, hp/PS/CV, BTU/h, TR, kcal/h, VA/kVA/MVA, dBm/dBW, ft·lb/s, and more. All Unit Conversions panel included.
Convert Power
Formula will appear here
All Unit Conversions
Dedicated converters (SI power, horsepower variants, thermal/HVAC, electrical apparent power, logarithmic RF levels, mechanical rates)
272 pages — every pair of units below, with fixed input/output, formulas, examples, and conversion tables.
- w to milliwatt (Watt to Milliwatt)
- w to kilowatt (Watt to Kilowatt)
- w to megawatt (Watt to Megawatt)
- w to gigawatt (Watt to Gigawatt)
- w to hp (Watt to Horsepower (mechanical))
- w to ps (Watt to Metric Horsepower (PS/CV))
- w to cv (Watt to Metric Horsepower (CV))
- w to btu-hr (Watt to BTU per Hour (IT))
- w to kcal-h (Watt to Kilocalorie per Hour (thermochemical))
- w to va (Watt to Volt-Ampere (VA))
- w to kva (Watt to Kilovolt-Ampere (kVA))
- w to mva (Watt to Megavolt-Ampere (MVA))
- w to tr (Watt to Ton of Refrigeration (TR))
- w to dbm (Watt to dBm)
- w to dbw (Watt to dBW)
- w to ft-lb-s (Watt to Foot-pound per Second)
- milliwatt to w (Milliwatt to Watt)
- milliwatt to kilowatt (Milliwatt to Kilowatt)
- milliwatt to megawatt (Milliwatt to Megawatt)
- milliwatt to gigawatt (Milliwatt to Gigawatt)
- milliwatt to hp (Milliwatt to Horsepower (mechanical))
- milliwatt to ps (Milliwatt to Metric Horsepower (PS/CV))
- milliwatt to cv (Milliwatt to Metric Horsepower (CV))
- milliwatt to btu-hr (Milliwatt to BTU per Hour (IT))
- milliwatt to kcal-h (Milliwatt to Kilocalorie per Hour (thermochemical))
- milliwatt to va (Milliwatt to Volt-Ampere (VA))
- milliwatt to kva (Milliwatt to Kilovolt-Ampere (kVA))
- milliwatt to mva (Milliwatt to Megavolt-Ampere (MVA))
- milliwatt to tr (Milliwatt to Ton of Refrigeration (TR))
- milliwatt to dbm (Milliwatt to dBm)
- milliwatt to dbw (Milliwatt to dBW)
- milliwatt to ft-lb-s (Milliwatt to Foot-pound per Second)
- kilowatt to w (Kilowatt to Watt)
- kilowatt to milliwatt (Kilowatt to Milliwatt)
- kilowatt to megawatt (Kilowatt to Megawatt)
- kilowatt to gigawatt (Kilowatt to Gigawatt)
- kilowatt to hp (Kilowatt to Horsepower (mechanical))
- kilowatt to ps (Kilowatt to Metric Horsepower (PS/CV))
- kilowatt to cv (Kilowatt to Metric Horsepower (CV))
- kilowatt to btu-hr (Kilowatt to BTU per Hour (IT))
- kilowatt to kcal-h (Kilowatt to Kilocalorie per Hour (thermochemical))
- kilowatt to va (Kilowatt to Volt-Ampere (VA))
- kilowatt to kva (Kilowatt to Kilovolt-Ampere (kVA))
- kilowatt to mva (Kilowatt to Megavolt-Ampere (MVA))
- kilowatt to tr (Kilowatt to Ton of Refrigeration (TR))
- kilowatt to dbm (Kilowatt to dBm)
- kilowatt to dbw (Kilowatt to dBW)
- kilowatt to ft-lb-s (Kilowatt to Foot-pound per Second)
- megawatt to w (Megawatt to Watt)
- megawatt to milliwatt (Megawatt to Milliwatt)
- megawatt to kilowatt (Megawatt to Kilowatt)
- megawatt to gigawatt (Megawatt to Gigawatt)
- megawatt to hp (Megawatt to Horsepower (mechanical))
- megawatt to ps (Megawatt to Metric Horsepower (PS/CV))
- megawatt to cv (Megawatt to Metric Horsepower (CV))
- megawatt to btu-hr (Megawatt to BTU per Hour (IT))
- megawatt to kcal-h (Megawatt to Kilocalorie per Hour (thermochemical))
- megawatt to va (Megawatt to Volt-Ampere (VA))
- megawatt to kva (Megawatt to Kilovolt-Ampere (kVA))
- megawatt to mva (Megawatt to Megavolt-Ampere (MVA))
- megawatt to tr (Megawatt to Ton of Refrigeration (TR))
- megawatt to dbm (Megawatt to dBm)
- megawatt to dbw (Megawatt to dBW)
- megawatt to ft-lb-s (Megawatt to Foot-pound per Second)
- gigawatt to w (Gigawatt to Watt)
- gigawatt to milliwatt (Gigawatt to Milliwatt)
- gigawatt to kilowatt (Gigawatt to Kilowatt)
- gigawatt to megawatt (Gigawatt to Megawatt)
- gigawatt to hp (Gigawatt to Horsepower (mechanical))
- gigawatt to ps (Gigawatt to Metric Horsepower (PS/CV))
- gigawatt to cv (Gigawatt to Metric Horsepower (CV))
- gigawatt to btu-hr (Gigawatt to BTU per Hour (IT))
- gigawatt to kcal-h (Gigawatt to Kilocalorie per Hour (thermochemical))
- gigawatt to va (Gigawatt to Volt-Ampere (VA))
- gigawatt to kva (Gigawatt to Kilovolt-Ampere (kVA))
- gigawatt to mva (Gigawatt to Megavolt-Ampere (MVA))
- gigawatt to tr (Gigawatt to Ton of Refrigeration (TR))
- gigawatt to dbm (Gigawatt to dBm)
- gigawatt to dbw (Gigawatt to dBW)
- gigawatt to ft-lb-s (Gigawatt to Foot-pound per Second)
- hp to w (Horsepower (mechanical) to Watt)
- hp to milliwatt (Horsepower (mechanical) to Milliwatt)
- hp to kilowatt (Horsepower (mechanical) to Kilowatt)
- hp to megawatt (Horsepower (mechanical) to Megawatt)
- hp to gigawatt (Horsepower (mechanical) to Gigawatt)
- hp to ps (Horsepower (mechanical) to Metric Horsepower (PS/CV))
- hp to cv (Horsepower (mechanical) to Metric Horsepower (CV))
- hp to btu-hr (Horsepower (mechanical) to BTU per Hour (IT))
- hp to kcal-h (Horsepower (mechanical) to Kilocalorie per Hour (thermochemical))
- hp to va (Horsepower (mechanical) to Volt-Ampere (VA))
- hp to kva (Horsepower (mechanical) to Kilovolt-Ampere (kVA))
- hp to mva (Horsepower (mechanical) to Megavolt-Ampere (MVA))
- hp to tr (Horsepower (mechanical) to Ton of Refrigeration (TR))
- hp to dbm (Horsepower (mechanical) to dBm)
- hp to dbw (Horsepower (mechanical) to dBW)
- hp to ft-lb-s (Horsepower (mechanical) to Foot-pound per Second)
- ps to w (Metric Horsepower (PS/CV) to Watt)
- ps to milliwatt (Metric Horsepower (PS/CV) to Milliwatt)
- ps to kilowatt (Metric Horsepower (PS/CV) to Kilowatt)
- ps to megawatt (Metric Horsepower (PS/CV) to Megawatt)
- ps to gigawatt (Metric Horsepower (PS/CV) to Gigawatt)
- ps to hp (Metric Horsepower (PS/CV) to Horsepower (mechanical))
- ps to cv (Metric Horsepower (PS/CV) to Metric Horsepower (CV))
- ps to btu-hr (Metric Horsepower (PS/CV) to BTU per Hour (IT))
- ps to kcal-h (Metric Horsepower (PS/CV) to Kilocalorie per Hour (thermochemical))
- ps to va (Metric Horsepower (PS/CV) to Volt-Ampere (VA))
- ps to kva (Metric Horsepower (PS/CV) to Kilovolt-Ampere (kVA))
- ps to mva (Metric Horsepower (PS/CV) to Megavolt-Ampere (MVA))
- ps to tr (Metric Horsepower (PS/CV) to Ton of Refrigeration (TR))
- ps to dbm (Metric Horsepower (PS/CV) to dBm)
- ps to dbw (Metric Horsepower (PS/CV) to dBW)
- ps to ft-lb-s (Metric Horsepower (PS/CV) to Foot-pound per Second)
- cv to w (Metric Horsepower (CV) to Watt)
- cv to milliwatt (Metric Horsepower (CV) to Milliwatt)
- cv to kilowatt (Metric Horsepower (CV) to Kilowatt)
- cv to megawatt (Metric Horsepower (CV) to Megawatt)
- cv to gigawatt (Metric Horsepower (CV) to Gigawatt)
- cv to hp (Metric Horsepower (CV) to Horsepower (mechanical))
- cv to ps (Metric Horsepower (CV) to Metric Horsepower (PS/CV))
- cv to btu-hr (Metric Horsepower (CV) to BTU per Hour (IT))
- cv to kcal-h (Metric Horsepower (CV) to Kilocalorie per Hour (thermochemical))
- cv to va (Metric Horsepower (CV) to Volt-Ampere (VA))
- cv to kva (Metric Horsepower (CV) to Kilovolt-Ampere (kVA))
- cv to mva (Metric Horsepower (CV) to Megavolt-Ampere (MVA))
- cv to tr (Metric Horsepower (CV) to Ton of Refrigeration (TR))
- cv to dbm (Metric Horsepower (CV) to dBm)
- cv to dbw (Metric Horsepower (CV) to dBW)
- cv to ft-lb-s (Metric Horsepower (CV) to Foot-pound per Second)
- btu-hr to w (BTU per Hour (IT) to Watt)
- btu-hr to milliwatt (BTU per Hour (IT) to Milliwatt)
- btu-hr to kilowatt (BTU per Hour (IT) to Kilowatt)
- btu-hr to megawatt (BTU per Hour (IT) to Megawatt)
- btu-hr to gigawatt (BTU per Hour (IT) to Gigawatt)
- btu-hr to hp (BTU per Hour (IT) to Horsepower (mechanical))
- btu-hr to ps (BTU per Hour (IT) to Metric Horsepower (PS/CV))
- btu-hr to cv (BTU per Hour (IT) to Metric Horsepower (CV))
- btu-hr to kcal-h (BTU per Hour (IT) to Kilocalorie per Hour (thermochemical))
- btu-hr to va (BTU per Hour (IT) to Volt-Ampere (VA))
- btu-hr to kva (BTU per Hour (IT) to Kilovolt-Ampere (kVA))
- btu-hr to mva (BTU per Hour (IT) to Megavolt-Ampere (MVA))
- btu-hr to tr (BTU per Hour (IT) to Ton of Refrigeration (TR))
- btu-hr to dbm (BTU per Hour (IT) to dBm)
- btu-hr to dbw (BTU per Hour (IT) to dBW)
- btu-hr to ft-lb-s (BTU per Hour (IT) to Foot-pound per Second)
- kcal-h to w (Kilocalorie per Hour (thermochemical) to Watt)
- kcal-h to milliwatt (Kilocalorie per Hour (thermochemical) to Milliwatt)
- kcal-h to kilowatt (Kilocalorie per Hour (thermochemical) to Kilowatt)
- kcal-h to megawatt (Kilocalorie per Hour (thermochemical) to Megawatt)
- kcal-h to gigawatt (Kilocalorie per Hour (thermochemical) to Gigawatt)
- kcal-h to hp (Kilocalorie per Hour (thermochemical) to Horsepower (mechanical))
- kcal-h to ps (Kilocalorie per Hour (thermochemical) to Metric Horsepower (PS/CV))
- kcal-h to cv (Kilocalorie per Hour (thermochemical) to Metric Horsepower (CV))
- kcal-h to btu-hr (Kilocalorie per Hour (thermochemical) to BTU per Hour (IT))
- kcal-h to va (Kilocalorie per Hour (thermochemical) to Volt-Ampere (VA))
- kcal-h to kva (Kilocalorie per Hour (thermochemical) to Kilovolt-Ampere (kVA))
- kcal-h to mva (Kilocalorie per Hour (thermochemical) to Megavolt-Ampere (MVA))
- kcal-h to tr (Kilocalorie per Hour (thermochemical) to Ton of Refrigeration (TR))
- kcal-h to dbm (Kilocalorie per Hour (thermochemical) to dBm)
- kcal-h to dbw (Kilocalorie per Hour (thermochemical) to dBW)
- kcal-h to ft-lb-s (Kilocalorie per Hour (thermochemical) to Foot-pound per Second)
- va to w (Volt-Ampere (VA) to Watt)
- va to milliwatt (Volt-Ampere (VA) to Milliwatt)
- va to kilowatt (Volt-Ampere (VA) to Kilowatt)
- va to megawatt (Volt-Ampere (VA) to Megawatt)
- va to gigawatt (Volt-Ampere (VA) to Gigawatt)
- va to hp (Volt-Ampere (VA) to Horsepower (mechanical))
- va to ps (Volt-Ampere (VA) to Metric Horsepower (PS/CV))
- va to cv (Volt-Ampere (VA) to Metric Horsepower (CV))
- va to btu-hr (Volt-Ampere (VA) to BTU per Hour (IT))
- va to kcal-h (Volt-Ampere (VA) to Kilocalorie per Hour (thermochemical))
- va to kva (Volt-Ampere (VA) to Kilovolt-Ampere (kVA))
- va to mva (Volt-Ampere (VA) to Megavolt-Ampere (MVA))
- va to tr (Volt-Ampere (VA) to Ton of Refrigeration (TR))
- va to dbm (Volt-Ampere (VA) to dBm)
- va to dbw (Volt-Ampere (VA) to dBW)
- va to ft-lb-s (Volt-Ampere (VA) to Foot-pound per Second)
- kva to w (Kilovolt-Ampere (kVA) to Watt)
- kva to milliwatt (Kilovolt-Ampere (kVA) to Milliwatt)
- kva to kilowatt (Kilovolt-Ampere (kVA) to Kilowatt)
- kva to megawatt (Kilovolt-Ampere (kVA) to Megawatt)
- kva to gigawatt (Kilovolt-Ampere (kVA) to Gigawatt)
- kva to hp (Kilovolt-Ampere (kVA) to Horsepower (mechanical))
- kva to ps (Kilovolt-Ampere (kVA) to Metric Horsepower (PS/CV))
- kva to cv (Kilovolt-Ampere (kVA) to Metric Horsepower (CV))
- kva to btu-hr (Kilovolt-Ampere (kVA) to BTU per Hour (IT))
- kva to kcal-h (Kilovolt-Ampere (kVA) to Kilocalorie per Hour (thermochemical))
- kva to va (Kilovolt-Ampere (kVA) to Volt-Ampere (VA))
- kva to mva (Kilovolt-Ampere (kVA) to Megavolt-Ampere (MVA))
- kva to tr (Kilovolt-Ampere (kVA) to Ton of Refrigeration (TR))
- kva to dbm (Kilovolt-Ampere (kVA) to dBm)
- kva to dbw (Kilovolt-Ampere (kVA) to dBW)
- kva to ft-lb-s (Kilovolt-Ampere (kVA) to Foot-pound per Second)
- mva to w (Megavolt-Ampere (MVA) to Watt)
- mva to milliwatt (Megavolt-Ampere (MVA) to Milliwatt)
- mva to kilowatt (Megavolt-Ampere (MVA) to Kilowatt)
- mva to megawatt (Megavolt-Ampere (MVA) to Megawatt)
- mva to gigawatt (Megavolt-Ampere (MVA) to Gigawatt)
- mva to hp (Megavolt-Ampere (MVA) to Horsepower (mechanical))
- mva to ps (Megavolt-Ampere (MVA) to Metric Horsepower (PS/CV))
- mva to cv (Megavolt-Ampere (MVA) to Metric Horsepower (CV))
- mva to btu-hr (Megavolt-Ampere (MVA) to BTU per Hour (IT))
- mva to kcal-h (Megavolt-Ampere (MVA) to Kilocalorie per Hour (thermochemical))
- mva to va (Megavolt-Ampere (MVA) to Volt-Ampere (VA))
- mva to kva (Megavolt-Ampere (MVA) to Kilovolt-Ampere (kVA))
- mva to tr (Megavolt-Ampere (MVA) to Ton of Refrigeration (TR))
- mva to dbm (Megavolt-Ampere (MVA) to dBm)
- mva to dbw (Megavolt-Ampere (MVA) to dBW)
- mva to ft-lb-s (Megavolt-Ampere (MVA) to Foot-pound per Second)
- tr to w (Ton of Refrigeration (TR) to Watt)
- tr to milliwatt (Ton of Refrigeration (TR) to Milliwatt)
- tr to kilowatt (Ton of Refrigeration (TR) to Kilowatt)
- tr to megawatt (Ton of Refrigeration (TR) to Megawatt)
- tr to gigawatt (Ton of Refrigeration (TR) to Gigawatt)
- tr to hp (Ton of Refrigeration (TR) to Horsepower (mechanical))
- tr to ps (Ton of Refrigeration (TR) to Metric Horsepower (PS/CV))
- tr to cv (Ton of Refrigeration (TR) to Metric Horsepower (CV))
- tr to btu-hr (Ton of Refrigeration (TR) to BTU per Hour (IT))
- tr to kcal-h (Ton of Refrigeration (TR) to Kilocalorie per Hour (thermochemical))
- tr to va (Ton of Refrigeration (TR) to Volt-Ampere (VA))
- tr to kva (Ton of Refrigeration (TR) to Kilovolt-Ampere (kVA))
- tr to mva (Ton of Refrigeration (TR) to Megavolt-Ampere (MVA))
- tr to dbm (Ton of Refrigeration (TR) to dBm)
- tr to dbw (Ton of Refrigeration (TR) to dBW)
- tr to ft-lb-s (Ton of Refrigeration (TR) to Foot-pound per Second)
- dbm to w (dBm to Watt)
- dbm to milliwatt (dBm to Milliwatt)
- dbm to kilowatt (dBm to Kilowatt)
- dbm to megawatt (dBm to Megawatt)
- dbm to gigawatt (dBm to Gigawatt)
- dbm to hp (dBm to Horsepower (mechanical))
- dbm to ps (dBm to Metric Horsepower (PS/CV))
- dbm to cv (dBm to Metric Horsepower (CV))
- dbm to btu-hr (dBm to BTU per Hour (IT))
- dbm to kcal-h (dBm to Kilocalorie per Hour (thermochemical))
- dbm to va (dBm to Volt-Ampere (VA))
- dbm to kva (dBm to Kilovolt-Ampere (kVA))
- dbm to mva (dBm to Megavolt-Ampere (MVA))
- dbm to tr (dBm to Ton of Refrigeration (TR))
- dbm to dbw (dBm to dBW)
- dbm to ft-lb-s (dBm to Foot-pound per Second)
- dbw to w (dBW to Watt)
- dbw to milliwatt (dBW to Milliwatt)
- dbw to kilowatt (dBW to Kilowatt)
- dbw to megawatt (dBW to Megawatt)
- dbw to gigawatt (dBW to Gigawatt)
- dbw to hp (dBW to Horsepower (mechanical))
- dbw to ps (dBW to Metric Horsepower (PS/CV))
- dbw to cv (dBW to Metric Horsepower (CV))
- dbw to btu-hr (dBW to BTU per Hour (IT))
- dbw to kcal-h (dBW to Kilocalorie per Hour (thermochemical))
- dbw to va (dBW to Volt-Ampere (VA))
- dbw to kva (dBW to Kilovolt-Ampere (kVA))
- dbw to mva (dBW to Megavolt-Ampere (MVA))
- dbw to tr (dBW to Ton of Refrigeration (TR))
- dbw to dbm (dBW to dBm)
- dbw to ft-lb-s (dBW to Foot-pound per Second)
- ft-lb-s to w (Foot-pound per Second to Watt)
- ft-lb-s to milliwatt (Foot-pound per Second to Milliwatt)
- ft-lb-s to kilowatt (Foot-pound per Second to Kilowatt)
- ft-lb-s to megawatt (Foot-pound per Second to Megawatt)
- ft-lb-s to gigawatt (Foot-pound per Second to Gigawatt)
- ft-lb-s to hp (Foot-pound per Second to Horsepower (mechanical))
- ft-lb-s to ps (Foot-pound per Second to Metric Horsepower (PS/CV))
- ft-lb-s to cv (Foot-pound per Second to Metric Horsepower (CV))
- ft-lb-s to btu-hr (Foot-pound per Second to BTU per Hour (IT))
- ft-lb-s to kcal-h (Foot-pound per Second to Kilocalorie per Hour (thermochemical))
- ft-lb-s to va (Foot-pound per Second to Volt-Ampere (VA))
- ft-lb-s to kva (Foot-pound per Second to Kilovolt-Ampere (kVA))
- ft-lb-s to mva (Foot-pound per Second to Megavolt-Ampere (MVA))
- ft-lb-s to tr (Foot-pound per Second to Ton of Refrigeration (TR))
- ft-lb-s to dbm (Foot-pound per Second to dBm)
- ft-lb-s to dbw (Foot-pound per Second to dBW)
Common questions (FAQ)
10 quick answers with guides and links to the matching converter.
- how many watts in a kilowatt
- how many watts is a 1.5 hp motor
- how many btu/hr in 1 ton of air conditioning
- convert 5 hp to kw for industrial pump
- convert 1500 watts to btu/hr for space heater
- how many mw is 1 watt of power
- what is the difference between 2000 va and 2000 watts
- how many kcal/h is a 1000w electric heater
- how many kilowatts is 1 mw of power plant
- how many watts does a 5000 btu/hr ac use
Power Converter Guide
Quick start
- Enter a value and pick source and target units. The result updates as you type.
- Use swap to reverse units and copy to copy the result. The All Unit Conversions panel lists your value across every supported power unit.
Formulas & deeper content
Need formulas, worked examples, and tables for one pair (e.g. kilowatts to horsepower)? Use a dedicated converter from the list above.
Short answers to common questions are in the FAQ section above. Linear units use fixed watt factors; dBm maps through watts with a log₁₀ definition relative to 1 mW.
Example uses
- Motors and HVAC: kW, hp, and BTU/h.
- RF engineering: dBm, mW, and W.
- Electrical ratings: VA at unity PF and watts.