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mAh to Wh

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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.

Table of mAh to Wh Conversions

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

mAhVoltage (V)WhmAhVoltage (V)Wh
24000.003.7088.8025000.003.7092.50
25600.003.7094.7226800.003.7099.16
27000.003.7099.9027650.003.70102.31
30000.003.70111.0035000.003.70129.50
36000.003.70133.2036800.003.70136.16
38800.003.70143.5640000.003.70148.00
42800.003.70158.3650000.003.70185.00
60000.003.70222.0070000.003.70259.00

Convert 10000 mAh to Wh

To convert 10000 mAh to Wh at 3.7V:

Wh=10000×3.7/1000=37 Wh

Convert 20000 mAh to Wh

To convert 20000 mAh to Wh at 3.7V:

Wh=20000×3.7/1000=74 Wh

Convert 24000 mAh to Wh

To convert 24000 mAh to Wh at 3.7V:

Wh=24000×3.7/1000=88.8 Wh

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