Free Diet Plans Calculators

12 tools

Keto, intermittent fasting, zone diet, and structured diet calculators. Browse our free diet plans tools below — no sign-up required.

Anti-Inflammatory Diet Score Calculator

Calculate your Dietary Inflammatory Index (DII) score based on daily food intake. Assess whether your diet promotes or reduces chronic inflammation.

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Calorie Cycling Calculator

Create a zig-zag calorie plan with variable daily intake while keeping your weekly average on target. Compare flat vs. cycled approaches.

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Carb Cycling Calculator

Plan your high, medium, and low carb days around your training schedule. Redistribute weekly carbs for optimal performance and fat loss.

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DASH Diet Score Calculator

Calculate your DASH Diet Adherence Score based on daily food group servings. Assess how well your diet follows the NIH-recommended DASH eating plan.

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Fasting Calorie Burn Calculator

Estimate energy use over a fasting window using BMR, duration, activity, and broad phase assumptions. Includes an illustrative breakdown of total calories and fat-linked energy.

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Intermittent Fasting Window Calculator

Plan a daily time-restricted eating schedule with standard or custom fasting windows. Generates eating and fasting times plus simple meal-time suggestions for routine planning.

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Keto Macro Calculator

Calculate your ideal ketogenic diet macros — fat, protein, and net carbs — based on your TDEE, activity level, and body composition goals.

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Mediterranean Diet Score Calculator

Calculate your Mediterranean Diet Adherence Score using the Trichopoulou scale. See how closely your eating pattern matches a widely studied Mediterranean-style diet.

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Refeed Day Calculator

Plan strategic refeed days to boost leptin and metabolic rate during a diet. Calculate carb increases with proportional fat reductions.

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Reverse Dieting Calculator

Plan a gradual calorie increase after dieting to restore metabolism without rapid fat gain. Generate a week-by-week reverse dieting timeline.

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WW Points Equivalent Calculator

Estimate the points value of foods using a simplified formula based on calories, saturated fat, sugar, and protein. Unofficial estimate for educational purposes.

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Zone Diet Block Calculator

Calculate your Zone Diet macros and daily block prescription based on body weight, activity level, and the 40/30/30 Zone ratio system.

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