Wix Stores Request: Product Pricing per Weight or Size
Currently, it is not possible to set a price per weight (e.g. $10 /pound) or a price per size (e.g $10 / yard).
In the meantime, as a workaround solution, you can create product options to offer different weights or sizes at different prices.
We are always working to update and improve our products, and your feedback is greatly appreciated.
If this is a feature you would like to see in the future, please click Vote for this feature and we'll make sure to keep you updated.