Power Converter

Convert between watts and other practical power units.

Power
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Related 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
Reverse Conversions
1 hp to W 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
More Power Conversions
1 GW to MW 25 kW to hp 60 W to BTU/h 400 hp to kW 750 hp to kW 1,000 kW to hp 1,800 W to BTU/h 4,000 hp to kW 10,000 hp to kW 12,000 BTU/h to kW 48,000 BTU/h to kW 60,000 BTU/h to kW

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Common Benchmarks

Microwave 1000 W
Air conditioner 3500 W
Electric kettle 1500 W
Phone fast charge 30 W
Desktop PC 300 W
Hair dryer 1800 W

Formula

hp = W × 0.0013410221

Example

Example: convert 200000 watts to horsepower.

200000 W = 268.20441792 hp

Conversion table

watts (W) horsepower (hp)
1 W 0.00134102 hp
2 W 0.00268204 hp
5 W 0.00670511 hp
10 W 0.01341022 hp
20 W 0.02682044 hp
50 W 0.0670511 hp
100 W 0.13410221 hp

Explanation

These are both units.

How to convert watts to horsepower

  1. Start with the value in watts (W).
  2. Multiply it by 0.0013410221.
  3. The result is the measurement in horsepower (hp).

Example: 200000 W → 268.20441792 hp

Frequently Asked Questions

How much is 200000 watts in horsepower?

200000 watts is about 268.204 horsepower.

How many horsepower is 1 watt?

1 watt is about 0.001341 horsepower.

How many watts is 1 horsepower?

1 horsepower is about 745.7 watts.

What is the difference between watts and horsepower?

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 watts and horsepower 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 watt equal 0.001341 horsepower?

Because horsepower (hp) is defined in terms of watts: 1 mechanical hp is about 745.7 W. Therefore 1 W is 1/745.7 hp (about), which fixes the conversion factor.