jxdeku
A lightweight calorie calculation toolkit for fitness apps.
quantity-fns
Functions for dealing with and converting between quantities of mass, volume, density and energy
fitness-calculator
This is a package which will help you perform calculations for your calorie needs, total daily energy expenditure, macros and much more
food-ingredients-database
An open food ingredients and nutrition database for developers. Includes detailed ingredient data, calories, and nutritional values — perfect for building recipe apps, meal planners, calorie calculators, and health tracking applications.