Mechanical horsepower to Joule per second 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 joules per second [J/s] or joules per second [J/s] 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)] ≈ 745.6999 joules per second [J/s]1 joule per second [J/s] ≈ 0.0013 mechanical horsepower [hp(I)]

Convert mechanical horsepower to joules per second

There are two simple ways to convert mechanical horsepower [hp(I)] to joules per second [J/s]. In the first calculation method, the value in mechanical horsepower [hp(I)] is divided by the rounded conversion factor of 0.0013. The second method multiplies the value in mechanical horsepower [hp(I)] by the rounded conversion factor of 745.6999.

  • Joules per second [J/s] ≈ mechanical horsepower [hp(I)] ÷ 0.0013
  • Joules per second [J/s] ≈ mechanical horsepower [hp(I)] * 745.6999

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 joules per second [J/s] can be achieved using the following calculation method.

  • Joules per second [J/s] = mechanical horsepower [hp(I)] * 27.2155422 * 27.3997801

Convert joules per second to mechanical horsepower

Converting joules per second [J/s] to mechanical horsepower [hp(I)] is easy and can be done in two ways. The first method involves multiplication, in which the value in joules per second [J/s] is multiplied by the rounded conversion factor of 0.0013. The second variant is a division. Here, the value in joules per second [J/s] is divided by the rounded conversion factor of 745.6999.

  • Mechanical horsepower [hp(I)] ≈ joules per second [J/s] * 0.0013
  • Mechanical horsepower [hp(I)] ≈ joules per second [J/s] ÷ 745.6999

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

  • Mechanical horsepower [hp(I)] = joules per second [J/s] ÷ 27.2155422 ÷ 27.3997801

Converter

Decimal places

How it's calculated

Factor: 
≈ 745.7
Joules per second = Mechanical horsepower * 27.2155422 * 27.3997801
Mechanical horsepower = Joules per second ÷ 27.2155422 ÷ 27.3997801

To all available units

Mechanical horsepower

Kilocalories per hour

Mechanical horsepower

Kilocalories per minute

Mechanical horsepower

Kilocalories per second

Mechanical horsepower

Kilojoules per hour

Mechanical horsepower

Kilojoules per minute

Popular with other users …

Pressure

Hectopascals, millibars, and bars are just a few examples of the many units of pressure. The pressure converter makes conversion a breeze and ensures that the results are accurate and precise.

Pressure converter

Resistance

Electrical resistance is often expressed in ohms or kiloohms. However, it is also possible to use statohms or deciohms. The resistance converter is ideal for converting between different units of resistance.

Resistance converter

Speed

While mph is used in the USA, km/h is the standard in Europe, and seafaring and aviation rely on knots. This speed converter is the perfect tool for accurately converting between various units of speed.

Speed converter

Temperature

Whether you want to convert °Ra to °C, degrees Fahrenheit to Kelvin, or °De to degrees Celsius, the temperature converter can accurately convert all common temperature units.

Temperature converter