Units of measurement
From value
To value
Calculations
Gigajoule (GJ)
Horsepower-hour (hp·h)
0
0123456789
Information
Gigajoule (GJ)
Gigajoule (GJ) — 1,000,000,000 joules, applied in energy and heat production.
Horsepower-hour (hp·h)
Horsepower-hour (hp·h) — a unit of energy equal to 2.685 × 10⁶ joules, used in mechanics and engine performance.