TDEE Calculator →
Calculate Total Daily Energy Expenditure using the Mifflin-St Jeor formula. Get personalized calorie and macro targets.
Free Nutrition Tools & Calculators
Access our collection of free nutrition tools designed for nutritionists, dietitians, personal trainers, and health coaches. Calculate TDEE, macros, recipe nutrition, and download professional meal plan templates.
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Macro Calculator →
Calculate optimal protein, carbs, and fat intake for any goal. Includes preset diet templates for keto, high-protein, and more.
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Recipe Nutrition Calculator →
Analyze the nutrition content of any recipe. Calculate calories, macros, and micronutrients per serving.
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Meal Plan Templates →
Download professional weekly meal plan templates. Includes weight loss, keto, Mediterranean, vegan, and more.
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TDEE Calculator (AU/NZ) →
TDEE calculator for Australians and New Zealanders. Displays results in kilojoules and follows local dietary guidelines.
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Food Nutrition Database →
Browse nutrition data sourced from USDA FoodData Central. Detailed macros, vitamins, minerals, and allergen info. Foodzilla is not affiliated with USDA.
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Ideal Body Weight Calculator →
Calculate IBW using Devine, Robinson, Miller, and Hamwi formulas. Includes adjusted body weight for clinical use.
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Nutrition Label Generator →
Create FDA-style nutrition facts labels. Enter nutrition data, add allergens, and download as PNG.
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Fiber Calculator →
Calculate daily fiber needs by age and gender. Assess intake and get high-fiber food recommendations.
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Body Fat Calculator →
Calculate body fat percentage using the U.S. Navy method. See health categories and fitness standards.
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Percent Weight Change Calculator →
Clinical tool for malnutrition screening. Calculate significant weight loss with documentation output.
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Mifflin-St Jeor Calculator →
Calculate BMR and TDEE using the Mifflin-St Jeor equation. The most accurate formula for the general population.
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Katch-McArdle Calculator →
Calculate BMR using lean body mass and body fat percentage. Ideal for athletes and fitness enthusiasts.
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Schofield Equation Calculator →
WHO-recommended BMR calculator using age-specific weight-based equations. Covers all age groups.
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TEF Calculator →
Calculate the Thermic Effect of Food — how many calories your body burns digesting protein, carbs, and fat.
Why Use Foodzilla's Free Tools?
- Evidence-based formulas - All calculators use validated equations like Mifflin-St Jeor
- Professional quality - Designed specifically for nutrition professionals
- No signup required - Use our calculators instantly, for free
- 100% ad-free - No ads means faster loading and less battery drain on mobile devices
- Mobile-friendly - Works perfectly on any device
Go Pro with Foodzilla
Need more than free tools? Foodzilla's complete nutrition platform includes:
- AI-powered meal plan generation
- 1,500+ dietitian-approved recipes
- Client management and telehealth
- White-label mobile apps
- Recipe nutrition analysis with 900K+ foods
- Automated grocery lists
Ready to level-up?
Create meal plans 10x faster, follow up with your clients through our mobile app, and never struggle with meal planning or recipe management again.