Milliamp-hours to Watt-hours at 5V
1 Milliamp-hour = 0.005 Watt-hours · fixed factor via fixed nominal-voltage battery relationships · no offset
Direct Answer
1 Milliamp-hour equals 0.005 Watt-hours
This conversion uses a fixed factor based on fixed nominal-voltage battery relationships.
For 2 Milliamp-hours, the result equals 0.01 Watt-hours.
Converter Calculator
0.005 Watt-hours (Wh)
SwitchExplanation
Formula: Watt-hours = Milliamp-hours × 0.005. Why: watt-hours combine charge and voltage, so this route fixes nominal voltage at 5V and applies the explicit Wh = Ah × V relationship.
Milliamp-hours (mAh): a battery-capacity unit expressing electric charge, common for small electronics and portable devices.
Watt-hours (Wh): a battery-energy unit expressing stored electrical energy at a given voltage.
This route is useful when translating battery capacity into energy, or energy into capacity, at a nominal 5V system for comparison, planning, and datasheet reading.
This page is purely multiplicative because nominal voltage is fixed at 5V, so charge-to-energy scaling stays constant for this route.
Common Conversion Values
| Milliamp-hours (mAh) | Watt-hours (Wh) |
|---|---|
| 1 | 0.005 |
| 2 | 0.01 |
| 5 | 0.025 |
| 10 | 0.05 |
| 50 | 0.25 |
| 100 | 0.5 |
| 500 | 2.5 |
| 1,000 | 5 |
| 5,000 | 25 |
| 10,000 | 50 |
| 20,000 | 100 |
Frequently Asked Questions
How is Milliamp-hours to Watt-hours at 5V calculated?
Wh = (mAh x 5) / 1000. This page fixes nominal voltage at 5V, so the direct answer, calculator, and table all use the same battery-energy relationship.
Why does 5V matter on this page?
Because charge-to-energy conversion depends on voltage. At 5V, the factor stays constant for this specific battery-energy route.
Can I estimate watt-hours from battery charge at 5V?
Yes. This Milliamp-hours to Watt-hours at 5V page is designed for that exact nominal-voltage assumption, and the mirror Watt-hours to Milliamp-hours at 5V page handles the inverse direction.