Heater BTU And Wattage Calculator

Use Our Calculator For Selecting The Right Size Heater

Room Length

Room Width

Ceiling Height

Your Square Footage

This is approximately the BTU Size you need

*Reminder! This calculation is an approximation based on rooms without outside air coming into your home.
Keep in mind that for every 50 Cubic Feet, There can be 1000 Btu's!

How to use BTU to Watt Conversion Calculator

To find the value in "watt [W]".

Type in the BTU amount in "Btu (th)/hour [Btu (th)/h]".
For more information, please contact Customer Service at 1-877-998-WEST (9378)

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watt [W]:
Btu (IT)/hour [Btu/h]: