Coulombs to Ampere-hours
1 C = 0.000277777777778 Ah
Converter Calculator
1 Coulombs (C) = 0.000278 Ampere-hours (Ah)
Explanation
Multiply by 0.0002777777777777778 because 1 C = 1 C and 1 Ah = 3600 C.
Common Conversion Values
| Coulombs (C) | Ampere-hours (Ah) |
|---|---|
| 0.001 | 0 |
| 0.01 | 0.000003 |
| 0.1 | 0.000028 |
| 1 | 0.000278 |
| 10 | 0.002778 |
| 100 | 0.027778 |
| 1,000 | 0.277778 |
| 5,000 | 1.388889 |
How to use this hub
- Choose a converter family.
- If converting to/from grams from a volume unit, select an ingredient.
- For pure unit changes (volume↔volume or weight↔weight), use universal conversions.
If your conversion includes grams, you’ll choose an ingredient; otherwise you won’t.
Frequently Asked Questions
What defines this conversion?
The factor is derived from exact coulomb normalization using fixed prefix scaling and the exact relationship 1 Ah = 3600 C.
Is the reverse conversion available?
Yes. Use the switch button or open the Ampere-hours (Ah) to Coulombs (C) hub to view the mirror conversion.
Can I use decimals?
Yes. Decimal inputs are supported so fractional charge values remain precise in calculator output.