Question 1

What is the difference between watts and horsepower?

Accepted Answer

1 mechanical horsepower ≈ 746 watts. Horsepower is traditional for engines and motors, while watts are the SI standard used in electrical power.

Question 2

How do I convert between power units?

Accepted Answer

Enter your power value and select the source unit. The converter calculates equivalents in watts, kilowatts, horsepower, BTU/hr, and other units.

Question 3

What is the difference between power and energy?

Accepted Answer

Power is the rate of energy transfer (watts = joules per second). Energy is total work done over time (kilowatt-hours = power × time).

Question 4

When would I need to convert power units?

Accepted Answer

Power conversions are needed for comparing appliances, sizing motors and generators, calculating electrical loads, and HVAC system design.

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