Calculators
Food calculators
This page is the single food directory: calculators are grouped into categories so visitors are not sent hunting across the site. Personal nutrition (calories, TDEE, macros, protein, recipes) has its own hub plus direct links below. Kitchen & costing tools stay on /calculator/food/. For restaurant business math (prime cost, labour %), use restaurant calculators or food cost under tools.
Category 1 — Personal nutrition
Calories, macros & body-fuel tools
Start at the hub for the full list and short descriptions, or jump straight to a topic. These pages share one math engine but use separate URLs for clearer SEO.
Nutrition calculators hub (start here)
/calculator/food/nutrition-calculators/
Calorie calculator
/calculators/calorie-calculator/
TDEE calculator
/calculators/tdee-calculator/
Maintenance calories
/calculators/maintenance-calorie-calculator/
Calorie deficit
/calculators/calorie-deficit-calculator/
Macro calculator
/calculators/macro-calculator/
Protein calculator
/calculators/protein-calculator/
BMR calculator
/calculators/bmr-calculator/
Recipe nutrition calculator
/calculators/recipe-nutrition-calculator/
Restaurant nutrition (manual meal builder)
/calculators/restaurant-nutrition-calculator/
Category 2 — Kitchen costing & recipe math
Plate cost, scaling, yield & waste
Operational food math for recipes and portions. Currency dropdowns load ISO codes from data/currencies.json (works offline when you open the file from disk).
Category 3 — Delivery & guest check