Power Converter

Convert between watts and other practical power units.

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Formula

hp = W × 0.0013410221

Example

Example: convert 10 watts to horsepower.

10 W = 0.01341022 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: 10 W → 0.01341022 hp

Frequently Asked Questions

How much is 10 watts in horsepower?

10 watts is about 0.01341 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.