Generator Wattage Calculator

The Generator Wattage Calculator allows users to calculate the total running wattage and required surge power for their selected household appliances, providing a recommended generator size based on these calculations.

Use Our Generator Wattage Calculator

Using the Generator Wattage Calculator

This guide will walk you through the process of using the Generator Wattage Calculator to determine the appropriate generator size for your needs. Follow each step carefully to get an accurate calculation of the required wattage and the recommended generator size.

Step 1: Selecting Your Appliance

Begin by selecting the type of appliance you want to calculate from the list of common household appliances. You will find a drop-down menu labeled Common Household Appliances. Choose the appliance that you intend to use with the generator. If your appliance is not listed, you can skip to Step 4 for a custom wattage entry.

Step 2: Specify the Quantity

After selecting your appliance, you need to specify the quantity of that appliance. Enter the number of items you plan to use in the input field labeled Quantity. Ensure the number you enter is between 0 and 100, as this field has a validation check for values within this range.

Step 3: (Optional) Enter Custom Wattage

If your appliance does not appear in the list, you can provide its wattage in the input field labeled Custom Appliance Wattage. Type in the wattage of your unlisted appliance. Ensure the value entered falls between 0 and 10,000 watts.

Step 4: Calculating the Total Wattage

  • Once you have either selected an appliance and its quantity or entered a custom wattage, the calculator will automatically compute the total running wattage.
  • The calculation is based on the formula: (applianceType * quantity) + (customWattage || 0).
  • The result will be displayed under the Total Running Wattage field in watts.

Step 5: Determine the Required Surge Power

  • Surge power, which accounts for the initial startup power required by some appliances, is also calculated automatically.
  • This is obtained by multiplying the total running wattage by 1.5.
  • Check the result in the Required Surge Power field, which is also displayed in watts.

Step 6: Get the Recommended Generator Size

  • For optimal performance and to ensure your generator can handle the load safely, a recommended generator size is suggested.
  • This figure is calculated by multiplying the surge power by 1.2 to accommodate additional load changes and reserve capacity.
  • The recommended size will be displayed under Recommended Generator Size, also in watts.

By following these steps, you can determine the total wattage requirements and the appropriate generator size to efficiently run your appliances. Ensure all inputs are accurate for the best results.