Power Conversion Calculators – Watts, kW, MW, hp, Tons, dBm & More
Instantly convert power, energy, and heating units such as watts, kilowatts, megawatts, horsepower, BTU/hr, tons, dBm, mW, and more. Use these power conversion tools for science, engineering, HVAC, and electronics.
Popular Power Unit Conversions
BHP to kW Conversion
Convert brake horsepower to kilowatts for automotive/mechanical work.
BTU/hr to kW Conversion
Convert BTU/hr (British Thermal Units per hour) to kilowatts.
BTU/hr to Refrigeration Tons
Switch from BTU/hr (cooling) to refrigeration tons (commercial/industrial HVAC).
BTU/hr to Watts
Convert heat flow rates from BTU/hr to electrical/mechanical watts.
dBm Converter
dBm to power (mW, watts) or back—telecom and audio ready.
dBm to mW Conversion
Convert dBm levels to milliwatts for signal strengths/circuits.
dBm to Watts
Signal conversion from decibel-milliwatts to watts.
GW to Watts Conversion
Convert gigawatts to watts for high-power energy scales.
hp to kW Conversion
Switch horsepower (mechanical or electric) to kilowatts for engines/motors.
hp to Watts Conversion
Horsepower to watts for quick calculations in engineering/automotive fields.
kW to BHP Conversion
Kilowatts to brake horsepower—industry and commercial operations.
kW to BTU/hr Conversion
kW to BTU/hr for heating/cooling systems and HVAC.
kW to hp Conversion
Kilowatts to mechanical/electric horsepower.
kW to mW Conversion
Kilowatts to megawatts (large scale energy, power stations).
kW to MW Conversion
Switch kilowatts to MW for grids and power plant calculations.
kW to Refrigeration Tons
Kilowatts to refrigeration tons for HVAC sizing.
kW to Watts Conversion
Convert kilowatts to watts—everyday electronics, science, utilities.
mW to Watts Conversion
Milliwatts to watts—electronics, telecom, and sensor circuits.
mW to kW Conversion
Milliwatts to kilowatts, for micro- to macro-level conversions.
mW to dBm Conversion
Milliwatts to dBm for telecommunications or signal analysis.
MW to Watts Conversion
Megawatts to watts—industrial scale down or reporting.
MW to kW Conversion
Megawatts to kilowatts for grid, large system summarizing.
Refrigeration Tons to BTU/hr
Convert tons of refrigeration to BTU/hr—HVAC, cooler sizing.
Refrigeration Tons to kW
Tons (cooling power) to kilowatts—international standards.
Watts to mW Conversion
Watts to milliwatts, for electronics and small device calibration.
Watts to kW Conversion
Watts to kilowatts for home, business, and lab settings.
Watts to MW Conversion
Watts to megawatts for energy reporting and power plants.
Watts to GW Conversion
Watts to gigawatts for very large power calculations.
Watts to dBm Conversion
Watts to dBm for electronics, RF/wireless comms, audio.
Watts to hp Conversion
Change watts to mechanical or metric horsepower.
Watts to BTU/hr Conversion
Convert watts heating/cooling to BTU/hr instantly.