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Support usWhat it is
Power Converter turns watts, kilowatts, megawatts, hp (mechanical horsepower), CV/PS (metric horsepower) and BTU/h into each other as you type. 100 kW equals about 134.10 hp or about 135.96 CV/PS: the two definitions of "horsepower" aren't the same unit, even though car spec sheets often blur them together. Here both are convertible live, not just explained in words: mechanical hp (745.7 W) and metric CV/PS (735.499 W) differ by about 1.4%.
- From watts to BTU/h: 6 units, including both definitions of "horsepower"
- 100 kW ≈ 134.10 hp ≈ 135.96 CV/PS: the gap between the two units made explicit and calculable
- Linked to the energy converter: 1 kWh is the energy delivered by 1 kW over one hour, convert both with the same tool
How it works
Pick the starting unit
Choose from W, kW, MW, hp, CV/PS or BTU/h.
Type the value
Enter the number to convert: the result in the other unit appears instantly.
Check the common table
Below the result you'll find standard multiples already converted, useful for comparing typical engine and appliance power.
Features
Mechanical hp and metric CV/PS, both convertible
745.699871582 W for mechanical hp, 735.49875 W for metric CV/PS: two distinct units often blurred together on car spec sheets, both selectable and converted live here.
From engines to appliances
W and kW for appliances, MW for industrial plants, hp/CV for engines: 6 units in one tool.
Common conversions table
Reference power figures (1, 50, 100, 150...) already calculated below the result, for quick comparisons between vehicles or engines.
Linked to the energy converter
Power and energy are related (kWh = kW × hours): also use the energy converter for kcal, BTU and other energy units.
FAQ
They're two different units: metric CV/PS equals 735.49875 W, mechanical hp equals 745.699871582 W — about 1.4% more. Car spec sheets often blur them together, but they're not the same unit.
About 73.55 kW (100 × 735.49875 ÷ 1000).
About 134.10 hp (100,000 ÷ 745.699871582).
1 watt equals about 0.29307107 BTU/h: a unit used mostly for the power of air conditioners and heating systems.
It's not a direct conversion: energy is power multiplied by time (kWh = kW × hours). Use this tool for power and the energy converter for the total in kWh or kcal.

