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Milliampere-hours to Millicoulombs Converter

Enter the electric charge in milliampere-hours below to convert it to millicoulombs.

Convert Milliampere-hours to Millicoulombs

Enter a value in milliampere-hours (mAh) to convert to millicoulombs (mC).

Result
•
18,000millicoulombs
5 mAh = 18,000 mC
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Suggested Conversions
Reference:NIST CUU (Derived SI Unit: Coulomb (C))
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Milliampere-hour to Millicoulomb Conversion Table

Table showing various milliampere-hour measurements converted to millicoulombs. Click any preset value or arrow to load it into the converter.

Milliampere-hours (mAh)Millicoulombs (mC)
1 mAh3,600 mC
2 mAh7,200 mC
2.5 mAh9,000 mC
5 mAh18,000 mC
10 mAh36,000 mC
15 mAh54,000 mC
20 mAh72,000 mC
25 mAh90,000 mC
30 mAh108,000 mC
50 mAh180,000 mC

How to Convert Milliampere-hours to Millicoulombs

To convert milliampere-hours to millicoulombs, multiply the electric charge by the following conversion ratio: 3,600 millicoulombs/milliampere-hour.

Since one milliampere-hour is equal to 3,600 millicoulombs, you can use this simple formula to convert:

millicoulombs = milliampere-hours × 3,600

The electric charge in millicoulombs is equal to the electric charge in milliampere-hours multiplied by 3,600.

For example, here's how to convert 5 milliampere-hours to millicoulombs using the formula above.

millicoulombs = (5 mAh × 3,600) = 18,000 mC

How Many Millicoulombs Are in a Milliampere-hour?

There are 3,600 millicoulombs in a milliampere-hour, which is why we use this value in the formula above.

1 mAh = 3,600 mC|1 mC = 0.000277778 mAh

Our milliampere-hour to millicoulomb calculator automatically converts your electric charge measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Milliampere-hours and millicoulombs are both units used to measure electric charge. Keep reading to learn more about each unit.

What Is a Milliampere-hour?

A milliampere-hour is a unit of electric charge equal to 3.6 coulombs (C), the base unit for electric charge. Battery capacity unit equal to 0.001 Ah or 3.6 Coulombs. [1]

The milliampere-hour is classified as a standard unit of electric charge. Milliampere-hours can be abbreviated as mAh; for example, 1 milliampere-hour can be written as 1 mAh.

In the metric system, "milli" is the standard SI prefix for thousandths, or 10⁻³. This makes the milliampere-hour (mAh) a convenient decimal multiple of the coulomb (C).

In practice, milliampere-hours (mAh) are widely used across standard electric charge applications within international standard workflows, engineering documentation, and technical data sheets.

What Is a Millicoulomb?

A millicoulomb is a unit of electric charge equal to 1/1,000 of a coulomb (0.001 C). One-thousandth of a Coulomb. [2]

The millicoulomb is classified as a metric and SI-compatible unit of electric charge. Millicoulombs can be abbreviated as mC; for example, 1 millicoulomb can be written as 1 mC.

In the metric system, "milli" is the standard SI prefix for thousandths, or 10⁻³. This makes the millicoulomb (mC) a convenient decimal multiple of the coulomb (C).

In practice, millicoulombs (mC) are widely used across fine-tolerance laboratory, analytical, and micro-scale electric charge measurements within SI metric workflows, engineering documentation, and technical data sheets.

When converting electric charge between milliampere-hours (mAh) and millicoulombs (mC), keep full floating-point precision (1 mAh = 3,600 mC; 1 mC = 0.000277778 mAh) during intermediate calculations and round only the final millicoulomb figure to match your instrument tolerance.

More Milliampere-hour & Millicoulomb Conversions

Need to calculate in the opposite direction? Use our millicoulombs to milliampere-hours calculator to switch your starting unit immediately. You can also explore related tools such as converting millicoulombs to milliampere-hours, converting milliampere-hours to ampere-hours, or converting milliampere-hours to coulombs.

Frequently Asked Questions

There are 3,600 millicoulombs (mC) in 1 milliampere-hour (mAh). Conversely, 1 millicoulomb (mC) is equal to 0.00027777 milliampere-hours (mAh).

References

NIST · BIPM · ISO
  1. [1]
    NIST CUU (Derived SI Unit: Coulomb (C))·Electric Charge Metrology Standard — Milliampere-hours (mAh) to Millicoulombs (mC)
    NIST CUU Standard
  2. [2]
    NIST OWM (SI Units — Electric Current)·Unit Specifications: Milliampere-hour (mAh) & Millicoulomb (mC)
    NIST OWM Specification
  3. [3]
    NIST SP 811 (NIST SP 811 App. B.9 (1 Ah = 3,600 C))·Conversion Factors & Mathematical Basis (mAh to mC)
    NIST SP 811 Reference
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