To convert **W** to **Wh**, you need to multiply the number of **Watts** by the number of **hours**:

First, fill in this box with your **Watts**:

W

Then fill in this box with the duration in **hours** and click on **Calculate**

Duration: hours

Wh

The formula is (W)*(h) = (Wh). For example, if you have 100 W for a duration of 2 hours, then the wattage is (100)*(2) = (200) Watts.

(Watthours is a measure of energy and watts is a unit of power. Power multiplied by time is enery).

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