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100 HP to kW

Welcome to 100 hp to kW, our post covering the conversion of 100 horsepower to kilowatts. 100 horsepower usually mean 100 mechanical hp or 100 metric hp, used, for example, to describe the power of cars in the US (converter default), respectively Europe. However, it could also mean 100 electric hp or 100 boiler hp. What’s more is that in case of electric horsepower the equivalent of 100 hp in kW in the US slightly differs from the result of the conversion in Europe.



This Horsepower ⇄ Kilowatts Converter is Really Cool! Click To TweetNote that you may overwrite 100 hp with another value, then make your choice in the drop-down menu, or proceed with the preselect unit hp(I) explained right below. Read on to learn how to convert the work over time, taking into account the following short forms:
  1. 100 mechanical hp, aka 100 imperial hp, are denoted as 100 hp(I)
  2. 100 metric hp in short form is 100 hp(M)
  3. 100 electric hp in the US are abbreviated as 100 hp(E) US
  4. 100 electric hp in Europe in shortened form is 100 hp(E) Europe
  5. 100 boiler hp in symbols are either 100 hp(S), or 100 bhp

100 horsepower in the context of US cars mean mechanical horsepower, hp(I), whereas 100 horsepower in the context of automobiles in Europe mean metric horsepower, hp(M).

Conversion and Formulas

Here we use the formulas explained on our home page to obtain the following results which are rounded to two decimals:

  • hp(I): [kW] = [100] × 0.74569987158227022 = 74.57 kW
  • hp(M): [kW] = [100] × 0.73549875 = 73.55 kW
  • hp(E) US: [kW] = [100] × 0.746 = 74.6 kW
  • hp(E) Europe: [kW] = [100] × 0.735 = 73.5 kW
  • hp(S): [kW] = [100] × 9.810657 = 981.07 kW

Instead of employing a calculator, we recommend using our power converter above.

Here you can find all information related to 100 kW to hp. In the next part of our post you can learn about the conversion of 100 hp to watts.

100 Horsepower to Kilowatts

Reading so far, you already know how to change 100 horsepower to kilowatt for all definitions and types of hp. But what about 100 hp to watts?

A kilowatt is a multiple of the unit of power watt. One kilowatt is 103 watts (W). Thus, to convert 100 hp to watts use the formulas or our converter, and then multiply the result by 1000.

In the context of this article, visitors coming to this post are often looking for an answer to one of the following frequently asked questions:

  • How many kW in one hundred hp?
  • How many watts in 100 hp?
  • How many kilowatts in 100 horsepower?

With our information, you can answer these FAQs. However, if something about the 100 horsepower conversion needs clarification, then use the comment form.

BTW: Similar power conversions on our website, include, but are not limited, to:


You have reached the last part of 100 hp in kW. Right below you can find the wrap-up of this post, followed by the explanation of our search form located in the sidebar.

100 hp in kW =

  • 74.57 kW for mechanical hp
  • 73.55 kW for metric hp
  • 74.6 kW for electric hp US
  • 73.5 kW for electric hp Europe
  • 981.07 kW for boiler hp

Except for boiler hp, you may use the approximation kW = 3/4 × 100 hp. This rule of thumb is often accurate enough. And for 100 air or hydraulic horsepower, use hp(I).

A convenient way to find a power conversion like the one being discussed in this post is entering your query, e.g. one hundred hp to kW, in the custom search form; the results page contains the relevant posts for your conversion.

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This ends our article about 100 hp to kilowatts.

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– Article written by Mark