Energy & Power calculator

Horsepower to Watts Converter

Convert horsepower (hp) to watts (w) with the exact power formula, worked examples, and a common-values table.

About these units

hp
Horsepower (hp) is a power unit used in this converter.
w
Watt (w) is a power unit used in this converter.
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FAQ8 common questions for this calculator.

FAQs

How do I convert horsepower to watts?+

Use this formula: w = hp × 745.699872. Enter the hp value and the calculator applies the relationship immediately.

How many w are in 1 hp?+

1 hp equals 745.699872 w.

What is 10 hp in w?+

10 hp equals 7456.99872 w. The displayed result may be rounded, while the calculator keeps full precision internally.

Can I convert watts back to horsepower?+

Yes. Use Swap in the converter to reverse the units and calculate w to hp.

How does the Horsepower to Watts Converter calculate the result?+

For the Horsepower to Watts Converter, it uses the Horsepower to watts formula: w = hp × 745.699872. 1 hp equals 745.699872 w. 10 hp equals 7456.99872 w.

What information do I need to use the Horsepower to Watts Converter?+

Enter the values requested by the form, keep units consistent, and use the displayed assumptions to decide whether the Horsepower to Watts Converter matches your scenario.

How accurate is the Horsepower to Watts Converter?+

Horsepower to Watts Converter is accurate for the values and assumptions entered on this page. It uses the Horsepower to watts formula. Recheck the inputs before relying on the estimate.

What should I check before using the Horsepower to Watts Converter result?+

For the Horsepower to Watts Converter, check that the units, inputs, and assumptions match your situation. Change one input at a time to understand which values have the largest effect on the result.

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Energy & Power guide

How to use the Horsepower to Watts Converter

Convert horsepower (hp) to watts (w) with the exact power formula, worked examples, and a common-values table. Use the instant result for the horsepower to watts conversion, then check the common-value table, reverse link, and unit notes before copying the answer.

  1. 1

    Enter Horsepower

    Type the horsepower value you want to convert. Decimal values work when you need a partial unit.

  2. 2

    Read Watts

    Use the main result for the exact watts value, then scan the common-value table for nearby reference points.

  3. 3

    Confirm Horsepower to Watts

    Confirm the horsepower to watts unit symbols before using the number in a report, product listing, invoice, or assignment.