Convert ampere-hours to coulombs
1 Ah = 3600 C — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
3600C
1 Ah = 3600 C
How to convert ampere-hours to coulombs
Multiply the number of ampere-hours by 3600 to get coulombs.
The exact factor is 3600 .
Ampere-hour: Battery capacity. Multiply by the pack voltage to get watt-hours.
Ampere-hour to Coulomb conversion table
| Ampere-hours (Ah) | Coulombs (C) |
|---|---|
| 1 Ah | 3600 |
| 2 Ah | 7200 |
| 3 Ah | 10 800 |
| 5 Ah | 18 000 |
| 10 Ah | 36 000 |
| 20 Ah | 72 000 |
| 25 Ah | 90 000 |
| 50 Ah | 180 000 |
| 100 Ah | 360 000 |
| 250 Ah | 900 000 |
| 500 Ah | 1 800 000 |
| 1000 Ah | 3 600 000 |
Coulomb to Ampere-hour conversion table
| Coulombs (C) | Ampere-hours (Ah) |
|---|---|
| 1 C | 0.000 277 777 78 |
| 2 C | 0.000 555 555 56 |
| 3 C | 0.000 833 333 33 |
| 5 C | 0.001 388 888 9 |
| 10 C | 0.002 777 777 8 |
| 20 C | 0.005 555 555 6 |
| 25 C | 0.006 944 444 4 |
| 50 C | 0.013 888 889 |
| 100 C | 0.027 777 778 |
| 250 C | 0.069 444 444 |
| 500 C | 0.138 888 89 |
| 1000 C | 0.277 777 78 |
Frequently asked
How many coulombs are in a ampere-hour?
One ampere-hour equals 3600 coulombs (Ah → C). That figure is exact, not rounded.
How do you convert ampere-hours to coulombs?
Multiply the number of ampere-hours by 3600 to get coulombs.
What is 1 C in ampere-hours?
One coulomb is 0.0002777777778 ampere-hours.
What is 10 Ah in C?
10 Ah = 36 000 C.
What exactly is a ampere-hour?
Battery capacity. Multiply by the pack voltage to get watt-hours.