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mAh to Wh mWh to mAh Other Conversions
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How to convert Amp-hours (Ah) to Watt-hours (Wh)

Insert the Amp-hours (Ah) and Voltage (V) below and click on Calculate to obtain Watt-hours (Wh).
Ah
V
Wh
The formula is (Ah)*(V) = (Wh). For example, if you have a 2Ah battery rated at 5V, you obtain 2Ah * 5V = 10Wh.

How to convert Watt-hours (Wh) to Amp-hours (Ah)

Insert Watt-hours (Wh) and Voltage (V) below and click on Calculate to obtain Amp-hours (Ah).
Wh
V
Ah
The formula is (Wh)/(V) = (Ah). For example, if you have 10Wh at 5V, you obtain 10Wh / 5V = 2Ah.