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Electric Charge Converter — coulomb, mAh, Ah
Convert electric charge between coulombs, milli/micro/nano-coulombs, ampere-hours and CGS units.
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Enter a value to convert
How to Use the Electric Charge Converter
- Enter a value — type any number. Invalid text and symbols are blocked automatically.
- Select From and To units — choose the units to convert between.
- Read the animated result — the converted value, factor, and full reference table update instantly.
- Use Swap (⇄) — reverse the conversion in one click.
Why Use This Electric Charge Converter
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Accurate Standards
Built on internationally recognised SI and standards-body conversion factors for dependable results.
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Instant & Animated
Results update live as you type, with a clear visual breakdown across every unit at once.
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100% Private
Everything runs in your browser — no account, no uploads, nothing leaves your device.
Common Electric Charge Converter Values
Quick reference — 1 Milliampere-hour (mAh) is equal to:
| Coulomb | C | 3.600000 |
| Millicoulomb | mC | 3,600 |
| Microcoulomb | µC | 3,600,000 |
| Nanocoulomb | nC | 3,600,000,000 |
| Picocoulomb | pC | 3,600,000,000,000 |
| Ampere-hour | Ah | 0.001 |
| Abcoulomb (EMU) | abC | 0.36 |
| Faraday | F | 0.0000373114 |
Electric Charge Converter FAQ
1 mAh = 3.6 coulombs (since 1 Ah = 3,600 C). A 3,000 mAh phone battery stores about 10,800 C of charge.
Divide by 1,000. A 5,000 mAh battery is 5 Ah. To get watt-hours, multiply Ah by the battery voltage.
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✔ Reviewed by the True Value Calc editorial team🗓 Last updated June 2026📚 Sources: NIST, BIPM SI unit definitions