Nutrition & Food Tools
Data-driven utilities for answering exact food questions — compare nutrients side-by-side, scale nutrition facts to the exact amount you eat, or calculate custom recipes.
Interactive Tool
⚖️ Food Comparison Engine
Compare any 2 foods side-by-side per 100 g or per household serving.
Interactive Tool
🧮 Serving Nutrition Calculator
Calculate exact calories and macronutrients for any custom weight or serving size.
Interactive Tool
🔄 Food Portion & Weight Converter
Convert between grams, ounces, and official USDA household portion sizes.
Interactive Tool
🥗 Custom Recipe Nutrition Calculator
Combine verified ingredients and calculate batch & per-serving nutrition facts.
Data Methodology & Scientific Basis
All calculation utilities operate directly on official USDA FoodData Central reference values without artificial density approximations. Missing nutrient values propagate transparently as unavailable rather than zero.