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Straight answers for your health numbers.
Work out your calories, macros, BMI and more in seconds — then find recipes that fit the result. Every tool is backed by a recognised method and clearly explained.
Calculators
TDEE & Macros Daily calories and your protein, carb and fat split. BMI Body mass index and what the range means. Ideal Weight A healthy weight range for your height. Protein How much protein you need each day. Water Intake Daily water target from your weight and activity. Body Fat Estimate body fat with a tape measure.
Frequently asked questions
Are the calculators free?
Yes. Every calculator on welanutria is completely free and works instantly in your browser, with no account or sign-up required.
How accurate are the results?
Each tool uses a recognised, published method and we tell you which one. Results are estimates with a stated margin of error, meant as a practical starting point rather than a precise measurement.
Is welanutria medical advice?
No. welanutria provides general information and estimates only. It is not a substitute for professional medical or dietary advice.
Do I need to create an account?
No. There are no accounts and nothing to sign up for. Just open a calculator and use it.