NOTE: If you don't set shipping rates for at least one rate area, the default will be free shipping for all rate areas.
Manual shipping rates can be set based on product cost, product quantity, etc. as described in Chapters 4.3.1 - 4.3.5. In this chapter we describe how to set manual shipping rates based on product weight.
NOTE: In order to set manual shipping rates based on product weight, you must specify the weights of your products in grams when you create them.
To set manual shipping rates by product weight, select the location/rate area your shipping method relates to, e.g. UK and scroll down the page to Weight Dependencies