Convert Ampere-hours to Milliampere-hours
Convert Ampere-hours (Ah) to Milliampere-hours (mAh) instantly and accurately.
Conversion Formula
mAh = Ah × 1000
About Ampere-hours
The ampere-hour (Ah) equals exactly 3 600 C and is the universal capacity unit for rechargeable batteries. Lead-acid car batteries are rated 40-100 Ah; EV traction packs use 50-300 Ah cells; industrial forklift batteries exceed 1 000 Ah. Multiplying Ah by nominal voltage gives watt-hours of stored energy. 1 Ah = 3 600 C = 1 000 mAh.
About Milliampere-hours
The milliampere-hour (mAh) equals exactly 3.6 C and is the universal capacity unit for portable-electronics batteries. Smartphone batteries range from 3 000-5 000 mAh; AA alkaline cells deliver ≈2 500 mAh; small lithium coin cells for RTC modules are rated 35-225 mAh. 1 mAh = 3.6 C = 10⁻³ Ah.
Quick Reference Table
| Ampere-hours (Ah) | Milliampere-hours (mAh) |
|---|---|
| 1 Ah | 1000 mAh |
| 2 Ah | 2000 mAh |
| 5 Ah | 5000 mAh |
| 10 Ah | 10000 mAh |
| 25 Ah | 25000 mAh |
| 50 Ah | 50000 mAh |
| 100 Ah | 100000 mAh |