Formula
Ah to C conversion formula
Use this relationship for a direct conversion:
C = Ah x 3,600
Worked example
2 Ah = 7,200 C.
Ampere-hour relationships and the elementary charge value are exact.
Electric Charge conversion
Convert Ampere-hour to Coulomb
1 ampere-hour (Ah) equals 3,600 coulomb (C). Enter any value below to convert from Ah to C.
Enter a value and choose units. Results update instantly.
1 Ah = 3,600 C
All Charge units
From 1 Ah| Unit | Value |
|---|---|
| Nanocoulomb nC | 3.6e12 |
| Microcoulomb μC | 3,600,000,000 |
| Millicoulomb mC | 3,600,000 |
| Coulomb C | 3,600 |
| Milliampere-hour mAh | 1,000 |
| Ampere-hour Ah | 1 |
| Elementary charge e | 2.2469432668e22 |
Recent conversions
- Your recent conversions stay on this device.
Quick reference
Ampere-hour to Coulomb table
| Ampere-hour (Ah) | Coulomb (C) |
|---|---|
| 0.01 | 36 |
| 0.1 | 360 |
| 1 | 3,600 |
| 2 | 7,200 |
| 5 | 18,000 |
| 10 | 36,000 |
| 25 | 90,000 |
| 50 | 180,000 |
| 100 | 360,000 |
| 1,000 | 3,600,000 |
From unit
About the ampere-hour
Charge from one ampere sustained for one hour.
Symbol: Ah
To unit
About the coulomb
One ampere-second of electric charge.
Symbol: C
Keep converting
Related conversions
Source
Conversion standard
Definitions are checked against BIPM SI Brochure: coulomb and elementary charge. Calculations use full internal precision before display rounding.
View the complete electric charge converterQuestions
Ah to C FAQ
How do you convert ampere-hour to coulomb?
Use the formula C = Ah x 3,600. 1 ampere-hour (Ah) equals 3,600 coulomb (C).
Is the Ah to C conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.