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Ampere-hour to Coulomb
Convert Ampere-hour to Coulomb and get the exact value instantly.
About this conversion
To convert Ampere-hour to Coulomb, multiply the number of Ampere-hour by 3600.
Electric charge is the coulomb in SI, yet battery capacity is quoted in ampere-hours and milliampere-hours, so converting between them tells you how long a cell will last.
Conversion table
| Ampere-hour (Ah) | Coulomb (C) |
|---|---|
| 1 Ah | 3600 C |
| 2 Ah | 7200 C |
| 5 Ah | 18000 C |
| 10 Ah | 36000 C |
| 100 Ah | 360000 C |
How to use this converter
- Enter your Ampere-hour value
Type any number into the Ampere-hour field. It starts at 1 so you can read the rate straight away.
- Read the Coulomb result
The amount in Coulomb updates as you type, so there is no button to press and nothing to wait for.
- Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.
Frequently asked
- How many Coulomb are in one Ampere-hour?
- One Ampere-hour equals 3600 C. Enter any amount above to get an exact figure for your own value.
- Is this converter accurate?
- Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
- Do you upload the numbers I enter?
- No. The Ampere-hour to Coulomb conversion runs entirely in your browser tab, and nothing you type is sent to a server.
- Does it work on my phone?
- Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.
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