How to convert milliamp-hours (mAh) to Watt-hours (Wh)

Insert milliamp-hours (mAh) and voltage (V) below and click on Calculate to obtain Watt-hours (Wh).

mAh

The formula is (mAh)*(V)/1000 = (Wh). For example, if you have a 300mAh battery rated at 5V, you obtain 300mAh * 5V / 1000 = 1.5Wh.

How to convert Watt-hours (Wh) to milliamp-hours (mAh)

Insert Watt-hours (Wh) and voltage (V) below and click on Calculate to obtain milliamp-hours (mAh).

mAh

The formula is (Wh)*1000/(V) = (mAh). For example, if you have a 1.5Wh at 5V, you obtain 1.5Wh * 1000 / 5V = 300mAh.