Electric Charge Converter

Convert charge units instantly: coulomb, millicoulomb, microcoulomb, nanocoulomb, ampere-hour, milliampere-hour and more. Precise factors, all units shown at once.

Electric Charge Converter results
UnitValue
coulomb (C)1
millicoulomb (mC)1000
microcoulomb (µC)1 000 000
nanocoulomb (nC)1 000 000 000
ampere-hour (Ah)0.0002777778
milliampere-hour (mAh)0.2777777778
elementary charge (e)6.241509074 × 10¹⁸
faraday (F)0.0000103643

Tip: double-click a row to convert from that unit. Click a value to copy it. Expressions like 3*12 are accepted.

How to use the Electric Charge Converter

  1. Type the value you want to convert (expressions are allowed).
  2. Choose the unit you are converting from.
  3. Read the result in every other unit in the table — it updates as you type.

About this tool

Enter a value and choose its unit; the charge is converted to all 8 supported units simultaneously. Conversions use exact definitions where they exist (e.g. 1 inch = 25.4 mm, 1 lb = 0.453 592 37 kg).

Common conversions

1 C = 1000 mC1 mC = 0.001 C
1 C = 1 000 000 µC1 µC = 0.000001 C
1 C = 1 000 000 000 nC1 nC = 1 × 10⁻⁹ C
1 C = 0.0002777778 Ah1 Ah = 3600 C
1 C = 0.2777777778 mAh1 mAh = 3.6 C
1 C = 6.241509074 × 10¹⁸ e1 e = 1.602176634 × 10⁻¹⁹ C