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Last updated: August 19, 2025

Ampere Hours to Coulombs Calculator: Ah to C Conversion

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Ah
C

Ampere hours to coulombs calculator

Convert ampere-hours (Ah) to coulombs (C) instantly with C = Ah × 3600. Includes mAh conversion, formulas, and battery capacity examples.

electrical capacity conversion

To change ampere-hours to coulombs, take 3600 times: C = Ah / 3600. Multiplier of milliampere-hours: C = mAh 3.6. This is directly out of the meaning of current and time.

Formula & Table Summary:

C = Ah × 3600
C = mAh × 3.6

Ah to the Coulomb calculator

Ampere Hours to Coulombs Calculator is used to convert the electrical capacity ampere-hours of capacity (Ah) to coulombs (C). An ampere-hour is the quantity of charge transferred by one coulomb per second (an ampere) as time passes (in this case, one hour), or 3600 coulombs. The conversion equation can be: C = Ah * 3600. In milliampere-hours, C = mAh 3.6. This conversion is very common in the estimation of battery capacity and power-bank rating, as well as in laboratory experiments when it is necessary to convert data of a storage of energy in an electric charge quantity. Regardless of whether you are a manufacturer of small electronic devices or have large-scale energy storage systems, Ah to C calculations are essential when it comes to analyzing performance, charging, energy regulation, and control. The tool guarantees engineers, students, and hobbyists prompt, accurate results.

ampere hours to coulombs

Ampere-hours (Ah)Milliampere-hours (mAh)Coulombs (C)
0.00113.6
0.55001,800
11,0003,600
1.51,5005,400
22,0007,200

Frequently Asked Questions - Ampere hours to coulombs calculator:

How do I convert Ah to coulombs?

Multiply Ah by 3600 to get C.

How do I convert mAh to coulombs?

Multiply mAh by 3.6 to get C.

Why multiply by 3600?

Because 1 hour = 3600 seconds and 1 A = 1 C/s.

What does 1 Ah equal in coulombs?

1 Ah equals 3600 C.

Is Ah a measure of energy or charge?

Ah measures charge, not energy.

Does voltage affect the conversion?

No, Ah to C conversion is independent of voltage.

Can I use this for any battery type?

Yes, the unit conversion is universal.

Is 1 mAh equal to 3.6 C?

Yes, exactly 3.6 coulombs.

Why use coulombs instead of Ah?

Coulombs are the SI unit of electric charge.

Can I convert C back to Ah?

Yes, divide C by 3600 to get Ah.

Rojony Khatun

Rojony Khatun

CalculatorToolsProject

Rojony Khatun is the creator of a free online tools website designed to simplify everyday and engineering-related calculations for students, professionals, and hobbyists. The platform offers a wide variety of basic and advanced calculators across key categories, including Electrical Calculators, Electronic Calculators, and Time & Date Calculators, helping users solve problems quickly and accurately.