Free Tools
Free Nutrition & Health Calculators
Use our free calculators to find your calorie needs, set macro targets, calculate protein intake, and more. No signup required — just pick a tool and start.
TDEE Calculator
Calculate your Total Daily Energy Expenditure based on age, weight, height, and activity level.
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Macro Calculator
Get personalized protein, carb, and fat targets for your calorie budget and fitness goal.
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Calorie Deficit Calculator
Find your ideal calorie deficit for safe, sustainable weight loss with timeline projections.
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BMI Calculator
Check your Body Mass Index and see where you fall on the BMI scale.
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Protein Intake Calculator
Calculate your daily protein needs based on body weight, fitness goal, and activity level.
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Insulin Load Score Calculator
Estimate the metabolic impact of any meal based on its macronutrient content.
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Meal Calorie Estimator
Build a meal from common foods and get an instant calorie and macro breakdown.
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Want Automatic Tracking?
Skip the manual calculators. Send a photo, text, or voice message on WhatsApp and Kcaly AI calculates your calories, macros, and Insulin Load Score automatically.
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