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Milliamp-hours to Watt-hours conversion

Milliamp-hours (mAh) to Watt-hours (Wh) electric charge conversion calculator and how to convert.

Enter the electric charge in milliamp-hours (mAh) and voltage in volts (V) and press the Calculate button:

mAh
V
Wh

Milliamp-hours to Watt-hours calculation formula

The energy E(Wh) in watt-hours is equal to the electric charge Q(mAh) in milliamp-hours times the voltage V(V) in volts (V) divided by 1000:

E(Wh) = Q(mAh) * V(V) / 1000

Therefore watt-hours is equal to milliamp-hours times volts divided by 1000:

Watt-hours = Milliamp-hours * Volts / 1000

or

Wh = mAh * V / 1000
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