## Watts to Wh calculation formula

E_{(Wh)} = P_{(W)} × t_{(h)}

The energy **E** in watt-hours (Wh) is equal to the power **P** in watts (W), multiplied by the time period **t** in hours (h).

So,

*Wh = W × h*

*watt-hour = watt × hour*

**For example:**

*Power (P) = 250W*

*Time period (t) = 5h*

*Energy (E) = 250W x 5h = 1250Wh*

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