Enter the power in watts, and time in seconds, and press the Calculate button:
Watts (W) to joules (J) calculator -Convert power in watts to energy in joules with our user-friendly calculator. Understand the relationship between power and energy consumption. Simplify energy unit conversions with our Watts to Joules Calculator.
The energy E in joules (J) is equal to the power P in watts (W), times the time period t in seconds (s):
E(J) = P(W) × t(s)