mAh to Wh

Capacity (mAh)

Voltage (V)

Enter the values above

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Example of mAh to Wh Calculations

To convert milliampere-hours (mAh) to watt-hours (Wh). you need to know the voltage (V) of the battery. The formula to convert mAh to Wh is:

Wh=mAh×Volts/1000

Assuming a common voltage of 3.7V, which is typical for lithium-ion batteries.

Below is a table showing the conversion of various mAh values to Wh. sorted from smallest to largest. assuming a voltage of 3.7V.

mAh	Voltage (V)	Wh	mAh	Voltage (V)	Wh
24000.00	3.70	88.80	25000.00	3.70	92.50
25600.00	3.70	94.72	26800.00	3.70	99.16
27000.00	3.70	99.90	27650.00	3.70	102.31
30000.00	3.70	111.00	35000.00	3.70	129.50
36000.00	3.70	133.20	36800.00	3.70	136.16
38800.00	3.70	143.56	40000.00	3.70	148.00
42800.00	3.70	158.36	50000.00	3.70	185.00
60000.00	3.70	222.00	70000.00	3.70	259.00

To convert 10000 mAh to Wh at 3.7V:

Wh=10000×3.7/1000=37 Wh

To convert 20000 mAh to Wh at 3.7V:

Wh=20000×3.7/1000=74 Wh

To convert 24000 mAh to Wh at 3.7V:

Wh=24000×3.7/1000=88.8 Wh