Free Canine Nutrition Calculators

Every tool uses vet-approved formulas. All data stays in your browser — we never see it, store it, or sell it. Calculate, compare, track, and plan. Your dog's nutrition starts with math.

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Calorie Calculator

Calculate daily calories using the RER formula vets use. Adjusts for age, activity, spay/neuter status, and body condition.
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BMI Assessment

Body condition score with visual guides. Know if your dog is underweight, ideal, or overweight based on breed standards.
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Food Comparison

Compare calorie density across brands and formulas. See how many cups equal how many calories for your dog.
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Weight Tracker

Log weight over time, visualize trends with charts, set goals, and export your data. Spot problems early.
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Feeding Plan

Generate a customized daily feeding schedule based on your dog's needs and your routine. Export to PDF or print.
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Treat Calculator

Calculate treat calories and see how they impact daily portions. Those "just one" treats add up fast.

Why These Tools Work

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Vet-Approved Math

RER x multiplier. The same formula board-certified veterinary nutritionists use in clinical practice. No guesswork.

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100% Private

No accounts. No servers. No data collection. Everything runs in your browser. Clear your cache and it is gone.

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Works Anywhere

Use at the pet store, the vet's office, or your kitchen. Fully responsive. Works offline after first load.

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