Joules to Watts Calculator

Convert joules to watts by dividing by time in seconds. W = J / s.

ByPRIYA SHARMAโ€ขUpdated June 9, 2026
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Reviewed byDR. RAJIV NAIR
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Fact checked byNEHA KAPOOR
J
seconds

POWER

1,000 W

IN kW

1 kW

FORMULA

W = J / s

๐Ÿ’ก How to Convert Joules to Watts

Formula

W = J / s

Example: 60,000 J / 60 s = 1,000 watts

Since a watt is one joule per second, dividing total energy (joules) by time (seconds) gives you the average power in watts.

๐Ÿ”— Related Calculators

Watts to Joules CalculatorConvert watts to joules by multiplying power by time in seconds. Calculate energy output from any power source. J = W ร— s.Joules to Volts CalculatorConvert joules to volts using electric charge (coulombs). Calculate the voltage from energy and charge: V = J / C.kWh to Watts CalculatorConvert kilowatt-hours (kWh) to watts to find the power consumption of any device. Calculate how many watts your appliances draw from your energy bill.Volts to Joules CalculatorConvert volts to joules using electric charge (coulombs). Calculate the energy in joules transferred by a voltage across a charge. J = V ร— C.