Kilowatt Hours (kWh) to Amp Hours (Ah) Calculator -
Skip to content

Kilowatt Hours (kWh) to Amp Hours (Ah) Calculator

What Does a Kilowatt Hours to Amp Hours Calculator Do?

This calculator allows you to convert energy in kilowatt hours (kWh), typically used by utilities for billing, to ampere hours (Ah), which represents electrical charge and is commonly used in battery systems. 

Follow the steps below the kWh to Ah calculator on how to use it.

Error: Enter a valid number of kilowatt hours (kWh).
Error: Enter a valid voltage (V).
amp hours (Ah)
Conversion formula: Ah = kWh ÷ V × 1000

How to Use the Kilowatt Hours to Amp Hours Calculator

1. Enter the Energy in Kilowatt hours (kWh): This is the first input field in the calculator. Kilowatt hours is a unit of energy commonly used in electricity billing and is equal to the power in kilowatts times the time in hours.

2. Enter the Voltage in Volts (V): In the second input field, enter the voltage. This could be the voltage of the battery or electrical system that you are interested in. This is necessary because both kWh and Ah involve power and charge, which are related to voltage.

3. Click "Calculate AMP Hours (Ah)": Once you've entered both the kilowatt-hours and voltage values, click on the"Calculate AMP Hours (Ah)" button.

4. Read the Result in Ampere hours (Ah): The calculator will perform the conversion and display the equivalent value in ampere-hours (Ah). This number represents the charge transferred by a steady current of one ampere flowing for one hour.

Please note: When you perform this conversion, you are assuming that the voltage is constant during the discharge of the battery or the operation of the electrical system, which might not always be the case in real-world scenarios. The calculator, therefore, provides an approximation that's useful for basic calculations and estimates.

As with any tool, always double-check your inputs for any errors to ensure that the output is as accurate as possible.

You can also make use of our solar load calculator to determine your needs.

You can find all of the solar & electrical calculators we have created in order to help you plan, size and install your own solar power system here.

Join the Solar Lab!

Ready to Amplify Your Solar Knowledge? Eager to learn more about solar energy? 

Dive deeper at - your one-stop destination for all things solar! Get inspired, share insights, ask questions, and engage with a growing community of solar enthusiasts!

Join Now, For Free! 

join the solarlab