Amp-hours to coulombs
Type a value in Ah to get it in C instantly.
3,600,000C
That's 17× as much charge as a car battery — nothing on our list beats it. That is about 2.247×10²⁵ electrons.
Convert the other way: C to Ah
What it means
How much charge is that?
Charge is not energy: to get watt-hours from mAh you also need the voltage.
The math
How to convert Ah to C
To convert amp-hours to coulombs, multiply by 3,600.
Example: 1,000 Ah × 3,600 = 3,600,000 C.
In the other direction, 1 C = 0.000277778 Ah.
Every unit
Your charge in every unit
Tables
Ah to C conversion table
| Ah | C |
|---|---|
| 10 Ah | 36,000 C |
| 50 Ah | 180,000 C |
| 100 Ah | 360,000 C |
| 250 Ah | 900,000 C |
| 500 Ah | 1,800,000 C |
| 1,000 Ah | 3,600,000 C |
| 2,000 Ah | 7,200,000 C |
| 3,000 Ah | 10,800,000 C |
| 5,000 Ah | 18,000,000 C |
| 10,000 Ah | 36,000,000 C |
C to Ah conversion table
| C | Ah |
|---|---|
| 10 C | 0.00277778 Ah |
| 50 C | 0.0138889 Ah |
| 100 C | 0.0277778 Ah |
| 250 C | 0.0694444 Ah |
| 500 C | 0.138889 Ah |
| 1,000 C | 0.277778 Ah |
| 2,000 C | 0.555556 Ah |
| 3,000 C | 0.833333 Ah |
| 5,000 C | 1.38889 Ah |
| 10,000 C | 2.77778 Ah |
Quick answers
Quick answers
- How many C is 1 Ah?
- 1 Ah is 3,600 C.
- How many C is 10 Ah?
- 10 Ah is 36,000 C.
- How many C is 1,000 Ah?
- 1,000 Ah is 3,600,000 C.
The units
About these units
Amp-hours (Ah)
3,600 coulombs. Car and leisure batteries are rated in amp-hours.
Coulombs (C)
The SI unit: one amp flowing for one second.
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