Convert Coulombs to mC
Convert coulombs to millicoulombs by entering a value below.
How to Convert Coulombs to Millicoulombs
The coulomb and millicoulomb are both units of electric charge. By definition, 1 millicoulomb equals exactly 1000000 coulombs. This means to convert coulombs to millicoulombs, you divide by 1000000.
Formula
Step-by-Step Example
Convert 5 C to millicoulombs:
We need to convert coulombs to millicoulombs
Since 1 mC = 1000000 C, divide by 1000000
5 ÷ 1000000 = 5e-6
5 C = 5e-6 mC
Coulomb to Millicoulomb Conversion Table
Quick reference table for common coulomb to millicoulomb conversions. Click any value for detailed calculation.
| Coulombs (C) | Millicoulombs (mC) |
|---|---|
| 0.1 C | 1e-7 mC |
| 0.5 C | 5e-7 mC |
| 1 C | 1e-6 mC |
| 2 C | 2e-6 mC |
| 5 C | 5e-6 mC |
| 10 C | 1e-5 mC |
| 25 C | 2.5e-5 mC |
| 50 C | 5e-5 mC |
| 100 C | 0.0001 mC |
About These Units
Coulomb (C)
The coulomb (C) is the SI unit of electric charge, defined as the charge transferred by 1 ampere flowing for 1 second. One coulomb equals 6.242×10¹⁸ elementary charges (electrons or protons). Named after physicist Charles-Augustin de Coulomb. Formula: Q = I × t (charge = current × time).
Millicoulomb (mC)
A millicoulomb (mC) equals 0.001 coulombs or 1,000 microcoulombs. Common for measuring capacitor charge storage. A 1000 μF capacitor charged to 10V holds 10 mC. Used in defibrillator energy specifications and electrochemical processes.
Frequently Asked Questions
How do I convert coulombs to millicoulombs?
To convert coulombs to millicoulombs, divide the value by 1000000. For example, 10 C = 1e-5 mC.
How many millicoulombs are in 1 coulomb?
1 coulomb equals 1e-6 millicoulombs.
What is the formula for coulombs to millicoulombs?
The formula is: mC = C ÷ 1000000.