Portable Generator Wattage Calculator
Calculate the perfect portable generator size for your needs
Select an option below
Do you intend to use your generator at high altitudes?
Add Custom Appliance
⚠️Caution: Our Generator Size Calculator is advanced. but no matter what their accuracy Wattage claim. Never use generator calculator alone to make decisions, always verify your results with a professional before making decisions that could affect your system or safety.
Generator Wattage Calculator Tool
This tool is for estimate your wattage needs. It assumes that not all appliances will be used at the same time. Transfer switches should be sized for your specific situation. We recommend having a licensed electrician check your electrical needs before you buy anything. A certified electrician should do all installations to follow local codes and keep your warranty valid.
If you don’t know how to calculate the wattage needed for a generator, it is important to select the right one for your home, RV, or worksite load. This guide explains how to use a generator sizing tool, add custom devices, and includes easy-to-understand pictures to help you calculate wattage on your own.
Why Use Generator Fixer Wattage Calculator Tool?
Whether you’re a house owner or a professional, sizing calculator unique features help you find the desired wattage shine.
The Generator Fixer wattage calculator tool allows a simple process of calculate your power needs. It provides perfect estimates to help you choose the right generator size without guesswork. Whether you are planning for whole-house backup or worksite use, this tool ensures you’ll make an informed decision.
Why Know Your Wattage is Important
What size generator is needed to run your house, wattage helps you choose a generator that meets your needs without overloading or underutilizing. It also ensures safety and proper appliance function.
How To Use Generator Size Calculator
First, identify your devices and list the electrical appliances or tools you plan to power with the generator.
Find the power rating (in watts) for each appliance. Note down running Watts and starting watts. Include refrigerators, lights, heaters, microwaves, tools, etc.
This information is usually found on the appliance’s label or manual or our wattage chart. If you’re unable to find the wattage for a specific appliance, you can estimate typical wattages using the U.S. Department of Energy’s Home Appliance Energy Calculator tool.
categories
Step 1: Select a Category Opt
The available calculator has three categories
Home
Household & kitchen devices
Recreational
Camping, RV & outdoor activitie
Professional
Tools & heavy equipments
Use Filter
Step 2: Browse or Search Appliances
as Need
Step 3: Select Appliances With Count
Each appliance shows two types of wattage. Running and starting watts. Select devices and count 1 or 2 etc.
Running Watts: The power required to keep the appliance running
Starting Watts: The extra power needed when the appliance starts
Keep in Mind
Step 4: Adjust for High Altitude Use
Optional
Step 5: Add Custom Appliances
f your appliance is not listed, you can sample add it manually.
- Enter the name of the appliance
- Enter its running watts
- Enter its starting watts (if applicable)
Hit the button “Add Custom Appliances”.
Keep in Mind
Step 6: Calculate Total Wattage
Reviewing Your Results
The results will show the total wattage you need. Use this information to choose the right generator.
Contact Us for Assistance
- If you need further help, contact Generator Fixer at:
- Phone: +92 3112596296
- FAQs: Click here
Email: [email protected]