Create one conditional logic form in Wordpress

I need to create one form with a calculator with conditional logic. It's a snowboard size calculator. The table of values are described in the image in attach. I start to create the form, but I am using BreezingForms for Wordpress and this plugin just permit 5 fields in free version... =/ You can use any plugin you want, just need this form with the right logic conditions. Here is the site where the form is being develop. [login to view URL] Please let me know if you need more informations. Thanks for reading. Willian