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Horsepower to Watts Converter

To convert horsepower to watts, use W = hp × 745.6998715823. This Horsepower to Watts page gives a calculator, formula, table, and worked example for hp to W. It also explains the horsepower to watt relationship so you can convert horsepower to watts quickly and check the result.

Use this page to convert horsepower to watts, compare hp to W, and check the horsepower to watt conversion with a formula, examples, and a reference table.

Convert horsepower to watts

Result: 1 Horsepower = 745.6998715823 Watt

Explain this result

The calculator converts 1 Horsepower to Watt and formats the result as 745.6998715823 Watt.

  1. 1 Horsepower x 745.6998715823 = 745.6998715823 Watt.
  2. 745.6998715823 Watt / 1 = 745.6998715823 Watt.
  3. The direct relationship is 1 Horsepower = 745.6998715823 Watt.

Formula

1 hp = 745.6998715823 W

Horsepower to Watts Formula

W = hp × 745.6998715823
hp = W ÷ 745.6998715823
1 hp = 745.6998715823 W
1 W = 0.0013410221 hp

Horsepower to Watts Example

Example: convert 1 horsepower to watts

Formula: W = hp × 745.6998715823

Calculation: 1 × 745.6998715823 = 745.6998715823 -> 1 horsepower = 745.6998715823 watts

Result: 1 horsepower = 745.6998715823 watts

Horsepower to Watts Conversion Table

Horsepower (hp)Watts (W)
0.01 hp7.4569987158 W
0.1 hp74.5699871582 W
1 hp745.6998715823 W
2 hp1,491.3997431645 W
5 hp3,728.4993579114 W
10 hp7,456.9987158227 W
12 hp8,948.3984589872 W
50 hp37,284.9935791135 W
100 hp74,569.987158227 W
1000 hp745,699.8715822703 W

When this power conversion is useful

  • Comparing engines, motors, pumps, appliances, generators, and HVAC labels.
  • Reading horsepower, watts, kilowatts, or BTU per hour in another unit system.
  • Checking equipment ratings before comparing output, input, or energy use.

Rounding power results

  • Round according to the accuracy of the original equipment rating.
  • Check whether the source is input power, output power, peak power, or continuous power.
  • Include duty cycle, load, and efficiency when selecting equipment.

Power conversion mistakes

  • Comparing input electrical power directly with mechanical output power.
  • Confusing mechanical horsepower with metric horsepower.
  • Using a converted rating without checking peak versus continuous operation.

What is a horsepower?

The symbol for horsepower is hp.

Horsepower is a power unit traditionally used to describe mechanical output from engines and motors.

It is commonly used for vehicles, engines, pumps, compressors, lawn equipment, and other mechanical equipment ratings.

1 mechanical horsepower equals about 745.699872 watts or 0.745699872 kilowatts.

What is a watt?

The symbol for watt is W.

watt is a power unit supported by this converter. The symbol for watt is W.

Watts are used when comparing power values in calculators, reference tables, and technical notes.

This page uses the power conversion factor stored for watt to keep results consistent across the calculator and table.

Horsepower to Watts FAQ

How do you convert horsepower to watt?

To convert horsepower to watts, use W = hp × 745.6998715823. This is the main hp to W formula used by the calculator and table.

What is 1 horsepower in watt?

1 hp equals 745.6998715823 W.

How many horsepower are in 1 watt?

1 W equals 0.0013410221 hp.

What does hp to W mean?

hp to W is the abbreviated form of horsepower to watt. It uses hp for horsepower and W for watt.

More power conversions

Reverse conversion

  • watts to hp

Convert horsepower to other units

  • hp to kw

Convert other units to watts

  • kilowatts to watts

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