Power Converter

Convert between watts and other practical power units.

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Related Conversions
1 hp to mW 5 hp to mW 10 hp to mW 25 hp to mW 50 hp to mW 75 hp to mW 100 hp to mW 200 hp to mW 275 hp to mW 300 hp to mW 2,500 hp to mW 5,000 hp to mW
Reverse Conversions
1 mW to hp 2 mW to hp 20 mW to hp 50 mW to hp 75 mW to hp 100 mW to hp 225 mW to hp 250 mW to hp 275 mW to hp 400 mW to hp 750 mW to hp 1,000 mW to hp
More Power Conversions
1 BTU/h to W 10 MW to kW 50 kW to hp 75 W to BTU/h 400 hp to kW 500 hp to kW 1,000 kW to hp 1,500 W to BTU/h 3,000 hp to kW 5,000 BTU/h to W 60,000 BTU/h to kW 100,000 W to BTU/h

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Common Benchmarks

E-bike motor 500 W
Desktop PC 300 W
Toaster 1200 W
Air conditioner 3500 W
Phone fast charge 30 W
Laptop charger 65 W

Formula

MW = hp × 0.0007456999

Example

Example: convert 250 horsepower to megawatts.

250 hp = 0.18642497 MW

Conversion table

horsepower (hp) megawatts (MW)
1 hp 0.0007457 MW
2 hp 0.0014914 MW
5 hp 0.0037285 MW
10 hp 0.007457 MW
20 hp 0.014914 MW
50 hp 0.03728499 MW
100 hp 0.07456999 MW

Explanation

These are both units.

How to convert horsepower to megawatts

  1. Start with the value in horsepower (hp).
  2. Multiply it by 0.0007456999.
  3. The result is the measurement in megawatts (MW).

Example: 250 hp → 0.18642497 MW

Frequently Asked Questions

How much is 250 horsepower in megawatts?

250 horsepower is about 0.186425 megawatts.

How many megawatts is 1 horsepower?

1 horsepower is about 0.0007457 megawatts.

How many horsepower is 1 megawatt?

1 megawatt is about 1341 horsepower.

What is the difference between horsepower and megawatts?

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 megawatts 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 0.0007457 megawatts?

Because power units are defined with a fixed relationship, which determines the conversion factor.