This plugin is ideal for physicians, healthcare institutions, hospitals, yoga fitness centres, and yoga studios. It calculates calorie intake, water intake, and BMI and shows results in graphical format.

Demo: https://codecanyon.net/item/health-pro-calorie-water-intake-and-bmi-calculator-wordpress-plugin/42543125

Cost Calculator is a clean, simple quote / project price / estimation plugin which allows you to easily create quote or price estimation forms for your WordPress site. Quote and price estimation forms give your client idea of the cost calculation your service or product is based on.

Demo: https://codecanyon.net/item/cost-calculator-wordpress-plugin/12778927