Watts to Joules calculation - Online Electrical Calculators

Watts (W) to Joules (J) Calculator.

Enter the Real Power (P) in Watts (W), consumption time period in seconds, and press the Calculator button to get the Energy (E) in Joules (J):

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Watts To Joules Calculator

Note, For higher values like 5×103, 10×10-6, 1.6 x1012, enter the value like this for scientific notation as 5e3, 10e-6, 1.6e12, etc.

Conversion Using the Power Formula :

AC Single Phase Watts to Joules Calculation:

The Energy (E) in joules (J) is equal to the Real Power (P) in watts (W), times the time period t in seconds (sec):

For example, The Energy (E) consumption of an electrical circuit that has a Real power (P) consumption of 50 watts for a time duration of 6 seconds.

EJ = P w × t sec
J = 50 × 6
J = 300

Where:

    • E = Energy in Joules (j)
    • P = Real Power in Watts (W)
    • T = time in seconds (sec)
watts to joules calculator and conversion
Recommended Electrical Resources:

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How to use This Calculator?

To use the above “Watts (W) to Joules (j) Conversion Calculator” follow the below steps:

1. Enter Real Power: Input the Real Power in watts or motor watts value in the specific input box. You can enter the value in watts or kilowatts by choosing the appropriate option from the dropdown.

2. Enter Time: Input the time in hours value in the specific input box. You can enter the value in hours or seconds by choosing the appropriate option from the dropdown.

how to use calculator watts to joules

3. Reset: If you want to “reset” the calculator to perform another conversion, you can click the “Reset” button, and all input fields will be cleared.

4. Calculate: Click the “Calculate” button to obtain the results. The calculated results will be displayed in the “Results:” section.

5. Swap: If you want to “Swap” the calculated to Exchange conversion, you can click the “Swap” button, and Calculate will be Exchange.

5. Result: The calculated “result” will be displayed in the respective “Result In joules (j)” output field.

Watts to Joules Conversion table:

Watts (W) Joules (J)
1W 20J
5W 100J
10W 200J
15W 300J
20W 400J
25W 500J
30W 600J
35W 700J
40W 800J
45W 900J
50W 1000J
55W 1100J
60W 1200J
65W 1300J
70W 1400J
75W 1500J
80W 1600J
85W 1700J
90W 1800J
100W 2000J
watts for a duration of 20 seconds

Frequently asked questions

How many Watts is 1 J?

1 Joule (Joule per second) = 1 watts (w).

Watts to Joules Example.

energy in joules for a 140-watt power consumption over 20 seconds: E(J) = 140 W × 20 s = 2800 J

Watts to Joules Formula

The watts to joules formula is:
E(J) = P(W) × T (s)

The energy in joules for a 100-watt power consumption over 50 seconds.

E(J) = 100 W × 50 s
E(J) = 5,000 J

Is power in J or Watts?

Power: energy (E) provided per unit of time. Energy is measured in joules (J) and Real power is measured in Watts (W). A watt is equal to a joule per second.

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