How Many Joules in a Horsepower?

Quick Answer
1 Horsepower = 745.7 Joules

1 HP = 745.7 J

Formula

J = HP × 745.7

Conversion Table

Horsepower (HP)Joules (J)
1 HP745.7 J
2 HP1,491.4 J
5 HP3,728.5 J
10 HP7,457 J
20 HP14,914 J
50 HP37,285 J
100 HP74,570 J
500 HP372,850 J
1,000 HP745,700 J

Worked Examples

Convert 5 HP to J:
5 HP × 745.7 = 3,728.5 J
Convert 10 HP to J:
10 HP × 745.7 = 7,457 J
Convert 50 HP to J:
50 HP × 745.7 = 37,285 J

FAQ

How many Joules are in 1 Horsepower?
There are 745.7 Joules in 1 Horsepower. Formula: J = HP × 745.7.
How to convert Horsepower to Joules?
To convert Horsepower to Joules, multiply the number of Horsepower by 745.7. For example, 10 HP = 7,457 J.
How many Joules are in 100 Horsepower?
There are 74,570 Joules in 100 Horsepower. Calculation: 100 × 745.7 = 74,570.