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Example of Wh to mAh Calculations
To convert watt-hours (Wh) to milliampere-hours (mAh). you need to know the voltage (V) of the battery. The formula to convert Wh to mAh is:
mAh=Wh×1000/Volts
Assuming a common voltage of 3.7V, which is typical for lithium-ion batteries.
Table of Wh to mAh Conversions
Below is a table showing the conversion of various Wh values to mAh. sorted from smallest to largest. assuming a voltage of 3.7V.
| Wh | Voltage (V) | mAh | Wh | Voltage (V) | mAh | |
|---|---|---|---|---|---|---|
| 1.00 | 3.70 | 270.27 | 18.50 | 3.70 | 5000.00 | |
| 22.20 | 3.70 | 6000.00 | 29.60 | 3.70 | 8000.00 | |
| 37.00 | 3.70 | 10000.00 | 40.00 | 3.70 | 10810.81 | |
| 41.00 | 3.70 | 11081.08 | 44.00 | 3.70 | 11891.89 | |
| 44.40 | 3.70 | 12000.00 | 50.00 | 3.70 | 13513.51 | |
| 52.60 | 3.70 | 14216.22 | 55.50 | 3.70 | 15000.00 | |
| 74.00 | 3.70 | 20000.00 | 88.00 | 3.70 | 23783.78 | |
| 99.00 | 3.70 | 26756.76 | 100.00 | 3.70 | 27027.03 | |
| 155.00 | 3.70 | 41891.89 | 160.00 | 3.70 | 43243.24 | |
| 192.00 | 3.70 | 51891.89 | 256.00 | 3.70 | 69189.19 | |
| 290.00 | 3.70 | 78378.38 | 293.00 | 3.70 | 79189.19 | |
| 300.00 | 3.70 | 81081.08 | 500.00 | 3.70 | 135135.14 | |
| 768.00 | 3.70 | 207567.57 | 1024.00 | 3.70 | 276756.76 | |
| 1056.00 | 3.70 | 285405.41 | ||||
Convert 1 Wh to mAh
To convert 1 Wh to mAh at 3.7V:
mAh=1×1000/3.7≈270.27 mAh
Convert 100 Wh to mAh
To convert 100 Wh to mAh at 3.7V:
mAh=100×1000/3.7≈27027.03 mAh
Convert 160 Wh to mAh
To convert 160 Wh to mAh at 3.7V:
mAh=160×1000/3.7≈43243.24 mAh