Ampere-hour to Coulomb Converter
Convert ampere-hours to coulombs instantly with an electric charge calculator built for electronics, battery capacity, capacitors, sensors, physics, electrostatics, and engineering documentation.
Ah to C Calculator
Enter an electric charge value and the conversion updates automatically.
Result updates automatically.
Formula: coulombs = ampere-hours x 3600
How to Convert Ampere-hour to Coulomb
Ampere-hours measure electric charge over time. The standard relationship is 1 Ah = 3600 C, so battery capacity can be converted into coulombs when current and time need to be compared directly.
1 ampere-hour
3600 coulombs
10 ampere-hours
36000 coulombs
100 ampere-hours
3.6e+5 coulombs
Electric Charge Formula Notes
The calculator converts through coulombs as the base electric charge unit. For battery-style units, 1 ampere-hour equals 3600 coulombs and 1 milliampere-hour equals 3.6 coulombs.
Ah to Coulombs Converter FAQ
Which electric charge units are supported?
This tool supports picocoulombs, nanocoulombs, microcoulombs, millicoulombs, coulombs, kilocoulombs, ampere-hours, and milliampere-hours.
How do I convert Ah to C?
Multiply the Ah value by 3600 to get C. The calculator performs the formula automatically and can reverse the direction.
What is the relationship between Ah and coulombs?
One ampere-hour equals 3600 coulombs because charge equals current multiplied by time, and one hour has 3600 seconds.