Wh to mAh Calculator
Convert watt-hours to milliamp-hours.
Free · instant · private
Wh
Volts
mAh
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Reference & Formula
Engineering referenceFormula
mAh = Wh × 1000 ÷ V
Explained
Milliamp-hours equals watt-hours times 1000 divided by voltage. Reverse of mAh-to-Wh for small battery specs.
Used For
Converting energy specs to mAh for battery datasheets