Watts to Joules

Power (W)

Time (seconds)

Enter the values above

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Example of Watts to Joules Calculations

To convert watts (W) to joules (J), you need to know the time in seconds (s) over which the power is used. The formula to convert watts to joules is:

Joules=Watts×Seconds

For these calculations, let's assume a time period of 1 second (s) for simplicity.

Below is a table showing the conversion of various watt values to joules, sorted from smallest to largest, assuming a time period of 1 second.

Watts (W)	Time (s)	Joules (J)	Watts (W)	Time (s)	Joules (J)
4.5	1	4.5	25	1	25
100	1	100	200	1	200
300	1	300	600	1	600
800	1	800	900	1	900
1000	1	1000	1200	1	1200
1500	1	1500	1800	1	1800
1875	1	1875

To convert 100 watts to joules over a duration of 1 second:

Joules=100×1=100 J

To convert 600 watts to joules over a duration of 1 second:

Joules=600×1=600 J