Watts to Heat Calculator

Free calculate heat energy produced from electrical power. convert watts to heat energy over time. Get instant, accurate results with our easy-to-use calculator.

Input Parameters

Results

Enter power and time to calculate heat energy

Heat Energy Formula

Energy Equation

Q = P × t

Where Q = heat energy (joules), P = power (watts), t = time (seconds)

Conversions

  • • 1 W × 1 s = 1 J
  • • 1 W × 1 h = 3600 J
  • • 1 J = 0.239 cal
  • • 1 J = 0.000948 BTU

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