Free · No sign-up

Your calories, macros and meals, all worked out.

Find your numbers in seconds with free, no-sign-up calculators, then turn them into real food with recipes and 7-day meal plans built to match. No guesswork, no accounts, just clear answers.

Illustration of healthy foods with nutrition data

Calculators

Free, instant tools for the health numbers that matter most. Each one uses a recognised, published method and explains what your result means, so you get answers you can actually trust and act on.

Food comparisons

Two foods, side by side, with the numbers that actually matter. See how they differ on calories, protein and key nutrients, and which one fits your goal.

See all comparisons →

Recipes

High-protein, low-calorie and balanced recipes with full nutrition for every dish, so you can match your meals to your numbers.

Food lists

Ranked lists of the best foods for each goal, built from our database of 210 foods with the numbers per 100g and per serving.

See all food lists →

From the blog

Clear, practical guides on calories, protein and eating well, written to help you get more from the calculators and recipes.

High-Protein, High-Fibre Eating: The Complete Guide Why protein and fibre are the two nutrients worth building your meals around, how much of each you need, the best foods for both, and how to put it all together. Read more → High-Protein Snack Ideas (Easy and Filling) Easy high-protein snack ideas, sweet and savoury, from cottage cheese ice cream to protein energy balls. Simple ways to hit 15 to 20g of protein between meals. Read more → The 40-40-20 Diet: Macros Explained (with Meal Ideas) What the 40-40-20 macro split means, who it suits, how to calculate your numbers, and easy high-protein meal and breakfast ideas that fit the ratio. Read more →

See all articles →

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.