To insert a new weight class click + Button, the following screen will be displayed
Weight title: Type name of the weight measurement (i.e. Kilogram)
Weight Unit: Enter the units of measurement (i.e. kg)
Value: Enter the value - this option is calculating the default value so set up one default value (There are 1000 g in 1 kg, so the value of g would be set to 1000)
Finally, check that all the mandatory (*) are filled, and pressing the 'Save' button in the upper right corner will save the information.
Then how to use this weight class -- catalog --> product --> Data tab --> give the weight class
Let's take a look at how the weight class will display from the front end of your store
In Website view
In Mobile view
Congrats!!! Now your product weight class is enabled to the public, Which will help your customers make an informed decision with their purchase.