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Dedicated unit pair

Milliampere-hours to Coulombs

Convert mAh to C instantly, then review the formula, assumptions, and rounding guidance.

Electrical unitsInstant result
Decimals
Formula result = input × 3.6 ÷ 1. 1 mAh = 3.6 C
Common examples
One value, several units
Coulombs3.6 C
Millicoulombs3,600 mC
Microcoulombs3,600,000 µC
Ampere-hours0.001 Ah

Conversion table

mAhC
1 mAh3.6 C
2 mAh7.2 C
5 mAh18 C
10 mAh36 C
25 mAh90 C
50 mAh180 C
100 mAh360 C

Conversion chart

1 mAh3.6 C
5 mAh18 C
10 mAh36 C
25 mAh90 C
50 mAh180 C
Worked example

1 ampere-hour equals exactly 3,600 coulombs.

Unit definition

Milliampere-hours (mAh) One milliampere-hours equals 3.6 coulomb.

Unit history

Milliampere-hours is represented here using its modern SI definition or an internationally accepted relationship to an SI base unit.

Step by step

1. Parse the value, including fractions.
2. Convert mAh to coulomb.
3. Convert the base value to C and apply your display precision.

What this calculation means

Understand the result before using it

Milliampere-hours to Coulombs converts a value measured in Milliampere-hours (mAh) into the equivalent value in Coulombs (C). The numerical value changes because the size and definition of the selected unit changes; the underlying quantity does not.

Calculated result

The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.

Method

Formula, assumptions, and example

Formula

result = input × 3.6 ÷ 1

Assumptions

  • Milliampere-hours and Coulombs represent the same electric charge quantity.
  • The input is expressed in mAh; the output is expressed in C.
  • The unit definitions and conventional relationship shown on this page apply.
Worked example

1 mAh = 3.6 C. For another value, apply the same relationship and round only to the precision your source measurement supports.

When to use it

Good uses

  • Read a mAh measurement in a document that expects C.
  • Compare a milliampere-hours value with a value reported in coulombs.
  • Check the mAh-to-C arithmetic before copying the result into another calculation.
Limitations

Common mistakes to avoid

  • Do not confuse mAh with another unit that has a similar name or symbol.
  • Round the output to a precision justified by the original measurement.
  • Verify safety-critical, regulated, laboratory, and contractual conversions against the controlling standard.
References

Sources and further reading

These references explain the underlying standards or provide authoritative context. Your own contract, institution, clinician, product documentation, local code, or governing standard may be the controlling source.

SI BrochureInternational Bureau of Weights and Measures (BIPM)

Authoritative definitions of the International System of Units and SI prefixes.

FAQ

Questions about this calculation

How do I convert Milliampere-hours to Coulombs?

result = input × 3.6 ÷ 1 Using the displayed relationship, 1 mAh equals 3.6 C.

How many Coulombs are in one Milliampere-hours?

One Milliampere-hours is 3.6 Coulombs. The displayed digits may be rounded.

Can I reverse the mAh to C conversion?

Yes. Swap the source and target units in the converter. The reverse relationship converts C back to mAh.

Is the Milliampere-hours to Coulombs result exact?

The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.