Determine the lighting load.
Generator room size calculator.
The purpose of the generator sizing calculator is to determine the estimated size of the generator which is based upon the electrical equipment that will be used while on power that is supplied by the generator.
You may want to experiment by adding or removing significant and occasional appliances to see how it impacts the suggested generator size.
Use our standby generator sizing tool.
We measure it in watts w.
This sizing advice relates to portable generators if you are after generator sizing advice for a large stationary generator then you may need to engage an electrician.
When sizing a generator for a commercial building you want to calculate the total number of power output rating in kw you would need in order to ensure that your generator can provide power to all required equipment and machinery.
Heavy duty generators for home and construction sites can deliver more than 10 000 watts.
Never add amps when sizing a generator.
For example if your room has a rectangular shape write down in the calculator only width and depth of it and specify the measure s units.
Home backup generator sizing calculator find the right home backup generator for you call us 1 844 242 3494 to speak with a customer service representative.
Small camping generators provide anywhere between 1 000 to 3 000 watts.
Room size calculator calculate the size of the room dividing the room into the particular number of separate sections is an effective way to calculate the room s precise size when it has a unique shape.
As a result it has been common practice to take motor and transformer starting kva requirements as a yardstick to determine the size of a generator.
The most critical figure is the generator s power output.
Convert amps to kw and add kw to determine the required generator size.
We created this generator size calculator to help you consider your needs and to help you think about what you would like to power during an outage at your home.
How to calculate what size of a generator is best for my needs.
In order to estimate your generator size requirement please enter the square footage of your home then select which appliances you would like to run during a power outage.
Getting the power information for your appliances.
Home standby generator sizing calculator.
Choose the items in your home that you would like to power during an outage and our standby generator sizing wizard will suggest generators based on your custom filtered results.
