Online Calculators & Tools




Wh to mAh conversion calculator and formulas

Energy in Watt-hours (Wh) to electric charge in milliamp-hours (mAh) calculator.

How to convert :- Enter the energy in watt-hours (Wh) and voltage in volts (V) and press the Calculate button:



Enter energy in watt-hours: Wh
 
Enter voltage in volts: V
 
   
 
Charge result in milliamp-hours: mAh



Watt-hours to milliamp-hours calculation formula

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

Q(mAh) = 1000 × E(Wh) / V(V)

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

milliamp-hours = 1000 × watt-hours / volts

or

mAh = 1000 × Wh / V