A Millicoulomb (mC) equals 1/1,000 coulomb(s), a scaled unit of electric charge used for milli-scale electrical work.
Millicoulombs to Coulombs
Convert Millicoulomb (mC) to Coulomb (C) instantly with an exact formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Electrical calculator
Electricity Converter
Convert millicoulombs (mC) to coulombs (C) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
The coulomb (C) is the SI unit of electric charge, equal to the charge carried by a steady current of one ampere flowing for one second.
C = mC × 0.001
Results update instantly for Millicoulombs to Coulombs conversions.
Reserved above the conversion cards and below the converter.
Formula
C = mC × 0.001
mC = C × 1000
Conversion table
| 1 mC | 0.001 C |
| 5 mC | 0.005 C |
| 10 mC | 0.01 C |
| 20 mC | 0.02 C |
| 50 mC | 0.05 C |
| 100 mC | 0.1 C |
| 500 mC | 0.5 C |
| 1000 mC | 1 C |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both millicoulomb and coulomb measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in millicoulombs by 0.001 to get coulombs. To reverse the conversion, multiply a coulomb value by 1000 to get back to millicoulombs.
Frequently asked questions
What is Millicoulomb (mC)?
A Millicoulomb (mC) equals 1/1,000 coulomb(s), a scaled unit of electric charge used for milli-scale electrical work.
What is Coulomb (C)?
The coulomb (C) is the SI unit of electric charge, equal to the charge carried by a steady current of one ampere flowing for one second.
How do I convert millicoulombs to coulombs?
Multiply the millicoulomb value by 0.001 to get the equivalent in coulombs. For example, 5 mC × 0.001 = 0.005 C.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 0.001 is an exact, non-rounded value.
Can I convert coulombs back to millicoulombs?
Yes. Divide the coulomb value by 0.001, or multiply it by 1000, to get millicoulombs.
Reserved between the FAQ and the article so the page stays balanced.
About converting millicoulombs to coulombs
A Millicoulomb (mC) equals 1/1,000 coulomb(s), a scaled unit of electric charge used for milli-scale electrical work. The coulomb (C) is the SI unit of electric charge, equal to the charge carried by a steady current of one ampere flowing for one second.
Use this calculator to move between millicoulombs and coulombs accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.