Ah to mAh Converter
Convert Ah to mAh: 1 Ah = 1,000 mAh. Formula, worked example, table of common values and unit definitions.
Result2,500 mAh
1 Ah = 1,000 mAh
2.5 Ah =
2,500 mAh
Formula
mAh = Ah × 1,000 Ah = mAh × 0.001
Worked example
- 2.5 Ah × 1,000 = 2,500 mAh
Common values
| Ah | mAh |
|---|---|
| 0.5 | 500 |
| 1 | 1,000 |
| 2.5 | 2,500 |
| 5 | 5,000 |
| 10 | 10,000 |
| 50 | 50,000 |
| 100 | 100,000 |
Unit definitions
| Unit | Equals | What it is |
|---|---|---|
| Ah | 1 Ah | Ampere-hour: one ampere for one hour. Lead-acid, lithium and UPS battery ratings. |
| mAh | 0.001 Ah | Milliampere-hour, a thousandth of an ampere-hour. Phone, power bank and small cell ratings. |
Frequently asked questions
How many mAh are in one Ah?
1 Ah = 1,000 mAh.
What is the formula to convert Ah to mAh?
mAh = Ah × 1,000. To go back, Ah = mAh × 0.001.
Does this tell me how much energy the battery holds?
No. Ah and mAh both measure charge. Energy in Wh is the charge in Ah multiplied by the nominal voltage, so use the mAh to Wh calculator and enter the voltage.
Related
Opposite direction: mAh to Ah
Battery Capacity ConvertermAh to WhWh to mAhConversion Centre