Hello,
A solution can be to directly use Characteristics, you"ll find an example through that thread :
www.hikashop.com/forum/4-how-to/20874-price-by-weight.html
But if you really want to directly enter the weight yourself, the solution will be to directly use the following plugin, and :
- Go to "Hikashop->Display->Custom fields"
- Create an Item custom field
- Set the "Column name" option to ordered_weight
- Publish it for the front-end
By using that Custom Item field the price of your product will be multiplied by the number that you have added on the ordered_weight field through your product page.