Coulombs to Millicoulombs converter (C to mC)
Convert Coulombs (C) to Millicoulombs (mC) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
Convert Millicoulombs to Coulombs ►
How to convert coulombs to millicoulombs
To convert coulombs (C) to millicoulombs (mC), multiply the value by 1,000.
mC = C × 1,000
One coulomb equals one thousand millicoulombs.
Example: Convert 0.5 C to mC:
0.5 × 1,000 = 500 mC
What is a Coulombs?
The Coulombs (C) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a Millicoulombs?
The Millicoulombs (mC) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts electric charge from Coulombs into Millicoulombs. One C equals 1000 mC.
Coulombs to Millicoulombs conversion table
Common C values and the matching mC result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Coulombs (C) | Millicoulombs (mC) |
|---|---|
| 0.001 C | 1 mC |
| 0.01 C | 10 mC |
| 0.1 C | 100 mC |
| 1 C | 1000 mC |
| 2 C | 2000 mC |
| 5 C | 5000 mC |
| 10 C | 10000 mC |
| 50 C | 50000 mC |
| 100 C | 100000 mC |
How this calculator works
The form on this page is a Coulombs-to-Millicoulombs converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the mC result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many mC are in 1 C?
1 C = 1000 mC.
How do I convert Coulombs to Millicoulombs?
One coulomb equals one thousand millicoulombs.
Is this C to mC converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.