Ampere-hour to Coulomb
1 Ah = 3600.00 C
Convert Ampere-hour (Ah) to Coulomb (C) with engineering-grade precision. Instant results, formula, and reference table below.
1 Ampere-hour ≈3600 Coulomb
How to convert Ampere-hour to Coulomb (Ah to C)
Converting Ampere-hours to Coulombs is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
1 Ah = 3600.00 C
Calculation Example
Let's say you want to convert 5 Ah to C:
- Input: 5 Ah
- Calculation: 5 × 3600.00
- Result: 18000.0000 C
About the Ampere-hour to Coulomb conversion
The conversion factor from Ampere-hour (Ah) to Coulomb (C) is 3600.00, meaning 1 Ah = 3600.00 C and inversely 1 C = 0.00027778 Ah. That makes the Ampere-hour the larger of the two units in the electric charge category, where the SI base unit is the coulomb. Every ratio here is derived from the SI/international definition rather than a rounded approximation, so results are stable across repeated conversions.
Need the reverse? Use the Coulomb to Ampere-hour converter.
Frequently Asked Questions
How do I convert Ampere-hour to Coulomb?
To convert Ampere-hour to Coulomb, you need to multiply the Ah value by 3600.00.
What is the formula for Ah to C?
The simple formula is: C = Ah × 3600.00.
Which is bigger: Ampere-hour or Coulomb?
A Ampere-hour is bigger. One Ampere-hour is equal to approx 3600.0000 Coulombs.
How many Ampere-hours are in one Coulomb?
There are approximately 0.000277778 Ampere-hours in one Coulomb.
Quick Conversion Table
| Ah | C |
|---|---|
| 1 | 3600.0000 |
| 5 | 18000.0000 |
| 10 | 36000.0000 |
| 20 | 72000.0000 |
| 50 | 180000.0000 |
| 100 | 360000.0000 |