1 Horsepower To Watt

Convert between watts and other practical power units.

Power
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Related Conversions
2 hp to W 5 hp to W 10 hp to W 20 hp to W 50 hp to W 75 hp to W 100 hp to W 150 hp to W 250 hp to W 500 hp to W 1,000 hp to W 5,000 hp to W
Reverse Conversions
1 W to hp 5 W to hp 10 W to hp 25 W to hp 50 W to hp 100 W to hp 250 W to hp 500 W to hp 1,000 W to hp 2,000 W to hp 5,000 W to hp 10,000 W to hp
More Power Conversions
1 BTU/h to W 50 kW to hp 60 W to BTU/h 250 hp to kW 500 kW to hp 750 hp to kW 1,000 kW to hp 1,200 W to BTU/h 3,000 hp to kW 5,000 hp to kW 10,000 BTU/h to kW 18,000 BTU/h to kW

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Common Benchmarks

Hair dryer 1800 W
E-bike motor 500 W
Car engine 100 hp
LED bulb 10 W
Phone fast charge 30 W
Refrigerator average 150 W

Frequently Asked Questions

How many watts is 1 horsepower?

1 horsepower is about 745.7 watts.

How many horsepower is 1 watt?

1 watt is about 0.001341 horsepower.

What is the difference between horsepower and watts?

Both measure power, but they are commonly used in different contexts. The watt (W) is the SI unit and is widely used in electrical/device specs, while horsepower (hp) is a traditional unit often used to describe engines and machinery.

Where are horsepower and watts used?

Watts are common in electrical power/consumption (devices, appliances, lighting). Horsepower is commonly used for mechanical power (engines, pumps, compressors, machinery).

Why does 1 horsepower equal 745.7 watts?

Because horsepower (hp) is defined in terms of watts. In particular, 1 mechanical hp is about 745.7 W, so converting to watts uses that fixed definition.

How do you convert horsepower to watts?

Multiply the value in horsepower by about 745.7 to get watts.