Enter the total number of amp hours and total number of volts into the calculator to determine the equivalent Watts hours.

## Amp Hour to Watt Hour Formula

The following formula is used to convert amp hours to watt hours.

Wh = Ah * V

- Where Wh is watt hours
- Ah is amp hours
- V is the voltage (volts)

## Example

The following is an example of how you can convert amp hours into watt hours using the formula above.

- First, you need to determine the total amp hours. Recall that this is not the same as straight amps. It’s a rate of amps per hour. For this example we will say that value is 50 Ah.
- Next, determine the voltage of the system. We will assume this to be 50 Volts.
- Finally, calculate the watt hours using the formula above. 50 Ah * 50 Volts = 2,500 Wh.

## FAQ

**What is Watt-hours?**

Watt hours are a rate of power consumption per hour. Since watt is a unit of power and hours is a unit of time. It’s a power per time unit.

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