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Joule to Horsepower hour

Convert Joule to Horsepower hour and get the exact value instantly.

About this conversion

To convert Joule to Horsepower hour, multiply the number of Joule by 3.725061e-7.

Energy shows up as joules, calories, kilowatt-hours or BTU depending on the field (nutrition, an electricity bill, heating or physics), so a conversion makes the numbers comparable.

Conversion table

Joule (J)Horsepower hour (hp·h)
1 J3.725061e-7 hp·h
2 J7.450123e-7 hp·h
5 J0.00000186253068 hp·h
10 J0.00000372506136 hp·h
100 J0.0000372506136 hp·h

How to use this converter

  1. Enter your Joule value

    Type any number into the Joule field. It starts at 1 so you can read the rate straight away.

  2. Read the Horsepower hour result

    The amount in Horsepower hour updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Horsepower hour are in one Joule?
One Joule equals 3.725061e-7 hp·h. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Joule to Horsepower hour conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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