Mechanical horsepower to Hectowatt Converter (and vice versa)

Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026

This converter allows you to convert mechanical horsepower [hp(I)] to hectowatts [hW] or hectowatts [hW] to mechanical horsepower [hp(I)]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 mechanical horsepower [hp(I)] ≈ 7.457 hectowatts [hW]1 hectowatt [hW] ≈ 0.1341 mechanical horsepower [hp(I)]

Convert mechanical horsepower to hectowatts

There are two simple ways to convert mechanical horsepower [hp(I)] to hectowatts [hW]. In the first calculation method, the value in mechanical horsepower [hp(I)] is divided by the rounded conversion factor of 0.1341. The second method multiplies the value in mechanical horsepower [hp(I)] by the rounded conversion factor of 7.457.

  • Hectowatts [hW] ≈ mechanical horsepower [hp(I)] ÷ 0.1341
  • Hectowatts [hW] ≈ mechanical horsepower [hp(I)] * 7.457

However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of mechanical horsepower [hp(I)] to hectowatts [hW] can be achieved using the following calculation method.

  • Hectowatts [hW] = mechanical horsepower [hp(I)] * 2.72155422 * 2.73997801

Convert hectowatts to mechanical horsepower

Converting hectowatts [hW] to mechanical horsepower [hp(I)] is easy and can be done in two ways. The first method involves multiplication, in which the value in hectowatts [hW] is multiplied by the rounded conversion factor of 0.1341. The second variant is a division. Here, the value in hectowatts [hW] is divided by the rounded conversion factor of 7.457.

  • Mechanical horsepower [hp(I)] ≈ hectowatts [hW] * 0.1341
  • Mechanical horsepower [hp(I)] ≈ hectowatts [hW] ÷ 7.457

However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of hectowatts [hW] to mechanical horsepower [hp(I)] can be achieved using the following calculation method.

  • Mechanical horsepower [hp(I)] = hectowatts [hW] ÷ 2.72155422 ÷ 2.73997801

Converter

Decimal places

How it's calculated

Factor: 
≈ 7.457
Hectowatts = Mechanical horsepower * 2.72155422 * 2.73997801
Mechanical horsepower = Hectowatts ÷ 2.72155422 ÷ 2.73997801

To all available units

Mechanical horsepower

Joules per hour

Mechanical horsepower

Joules per minute

Mechanical horsepower

Joules per second

Mechanical horsepower

Kilocalories per hour

Mechanical horsepower

Kilocalories per minute

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