Electric Charge Converter

Electric Charge Converter

Local Processing

Convert between electric charge and battery capacity units including microcoulomb, millicoulomb, coulomb, mAh, and Ah.

How It Works & Processing Standards

Convert between the units listed below using C as the base unit.

uC1 uC = 0.000001 C
mC1 mC = 0.001 C
mAh1 mAh = 3.6 C
Ah1 Ah = 3600 C

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Turns battery capacity (mAh, Ah) into coulombs, or back. 1 mAh = 3.6 C.

How to Use Electric Charge Converter

  1. 1
    Enter a valueDecimals and negative numbers (for temperature, say) are accepted.
  2. 2
    Choose unitsPick the unit you have and the unit you want. The swap button reverses the direction.
  3. 3
    Read, copy or shareResults show up to six decimal places. Copy them or create a share link with the same value.

Examples

A 5,000 mAh power bank in coulombs
Input: 5000 mAh → C
Result: 18000
One Ah in mAh
Input: 1 Ah → mAh
Result: 1000

Common Use Cases

  • Comparing battery capacity ratings
  • Converting electrochemistry values to coulombs
  • Power tool or vehicle battery capacity (Ah) in mAh

Frequently Asked Questions (FAQ)

Can I get Wh (energy) from mAh?

Multiply by the voltage: Wh = mAh × V ÷ 1,000. 5,000 mAh at 3.7 V is 18.5 Wh.

How many mAh is one coulomb?

About 0.2778 mAh (1 ÷ 3.6).

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