Electric Charge Converter — coulomb, mAh, Ah

Convert electric charge between coulombs, milli/micro/nano-coulombs, ampere-hours and CGS units.

Electric Charge Converter

Electricity • 9 units

Enter a value to convert

How to Use the Electric Charge Converter

  1. Enter a value — type any number. Invalid text and symbols are blocked automatically.
  2. Select From and To units — choose the units to convert between.
  3. Read the animated result — the converted value, factor, and full reference table update instantly.
  4. Use Swap (⇄) — reverse the conversion in one click.

Why Use This Electric Charge Converter

🎯

Accurate Standards

Built on internationally recognised SI and standards-body conversion factors for dependable results.

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:

CoulombC3.600000
MillicoulombmC3,600
MicrocoulombµC3,600,000
NanocoulombnC3,600,000,000
PicocoulombpC3,600,000,000,000
Ampere-hourAh0.001
Abcoulomb (EMU)abC0.36
FaradayF0.0000373114

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