How to Convert Joules to Ah
To convert joules to ah, divide the value by 13309.35.
The Formula
Ah = Joules ÷ 13309.35
Key Fact
1 amp-hour = 13309.35 joules
Tip: To convert ah back to joules, multiply by 13309.35.
Joules to Ah
Convert joules (J) to ah (Ah) with formulas, examples, and conversion tables.
J
Ah
1 J = 7.5135e-5 Ah
Full precision:0.000075135 Ah
Step-by-Step Solution
To convert 1 joules to ah, we divide by 13309.35 because one amp-hour equals exactly 13309.35 joules.
1 amp-hour = 13309.35 joules
Since there are 13309.35 joules in every amp-hour, we divide our value by this factor:
1 ÷ 13309.35 = 7.5135e-5 ah
So 1 joules = 7.5135e-5 ah.
Quick check: 7.5135e-5 × 13309.35 = 1 joules
Example Conversions
Example 1: 1 J = 7.5135e-5 Ah
1 ÷ 13309.35 = 7.5135e-5
1 ÷ 13309.35 = 7.5135e-5
Example 2: 5 J = 0.000376 Ah
5 ÷ 13309.35 = 0.000376
5 ÷ 13309.35 = 0.000376
Example 3: 10 J = 0.000751 Ah
10 ÷ 13309.35 = 0.000751
10 ÷ 13309.35 = 0.000751
Joules to Ah Table
| Joules | Ah |
|---|---|
| 1 J | 7.5135e-5 Ah |
| 2 J | 0.00015 Ah |
| 5 J | 0.000376 Ah |
| 10 J | 0.000751 Ah |
| 20 J | 0.001503 Ah |
| 25 J | 0.001878 Ah |
| 50 J | 0.003757 Ah |
| 100 J | 0.007514 Ah |
| 250 J | 0.018784 Ah |
| 500 J | 0.037568 Ah |
| 1000 J | 0.075135 Ah |
1 Joule in Other Units
| Unit | 1 J = |
|---|---|
| Joules to Wh | 0.000278 Wh |
| Joules to kWh | 2.78e-7 kWh |
| Joules to mWh | 0.278 mWh |
| Joules to mAh | 0.075135 mAh |
| Joules to Ah | 0.00007514 Ah |
| Joules to kJ | 0.001 kJ |