Power Converter

Free online power converter. Convert between different units of power instantly and accurately.

Power Units

• Milliwatt (mW) — 1 mW = 0.001 W
• Watt (W) — the base unit
• Kilowatt (kW) — 1 kW = 1,000 W
• Megawatt (MW) — 1 MW = 1,000,000 W
• Gigawatt (GW) — 1 GW = 1,000,000,000 W
• Horsepower (Mechanical) (hp) — 1 hp = 745.7 W
• Horsepower (Metric) (PS) — 1 PS = 735.5 W
• BTU per Hour (BTU/h) — 1 BTU/h = 0.293071 W
• Calorie per Second (cal/s) — 1 cal/s = 4.184 W
• Foot-pound per Second (ft⋅lb/s) — 1 ft⋅lb/s = 1.35582 W

Common Power Conversions

• BTU per Hour to Watt
• Horsepower (Mechanical) to Kilowatt
• Megawatt to Kilowatt
• Watt to BTU per Hour
• Watt to Horsepower (Mechanical)

Power Conversion Guides

• Watts to Horsepower: How to Compare Engine and Electrical Power
• Megawatts to Kilowatts: Understanding Large-Scale Power Consumption
• Horsepower to Kilowatts: The Essential Automotive and Electrical Power Guide
• Watts to BTU/hr: The Essential HVAC and Cooling Power Guide
• R-Value to U-Value: Converting Insulation Ratings Between Metric and Imperial

FAQ · Also from us: Simply Calculators
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