Convert milliampere-hours to ampere-hours and Ah to mAh instantly. Bidirectional battery capacity converter with formula and common values.
To convert milliampere-hours to ampere-hours, divide by 1,000. One milliampere-hour equals 0.001 ampere-hours.
| Milliampere-hours (mAh) | Ampere-hours (Ah) |
|---|---|
| 500 | 0.5 |
| 1,000 | 1 |
| 2,000 | 2 |
| 3,700 | 3.7 |
| 5,000 | 5 |
| 10,000 | 10 |
| 20,000 | 20 |
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Divide the capacity in milliampere-hours by 1,000. For example, 5,000 mAh ÷ 1,000 = 5 Ah.
A milliampere-hour (mAh) is one-thousandth of an ampere-hour. It is the standard unit for smartphone and small device battery capacity.
5,000 mAh equals 5 Ah. This is a common capacity for modern smartphone batteries.
Use Ah for larger batteries: car batteries (40-100 Ah), deep-cycle batteries, UPS systems, and solar storage. Use mAh for portable electronics.
Not directly. A 3,000 mAh battery at 3.7 V stores 11.1 Wh, while a 3,000 mAh battery at 7.4 V stores 22.2 Wh. Use Wh for cross-voltage comparisons.