Fuel it properly.

Nutrition works when it's simple enough to stick to. UNITY 2B3's free calculators give you your BMR, calories, macros, protein and hydration targets — a clear plan you can actually follow, supported by courses and community.

Create your free account Open the nutrition calculators

What you get

Everything to master nutrition

Your real calorie needs

BMR and daily calories based on you, so you fuel for your goal.

Macros made simple

Protein, carbs and fats worked out for you — no more guessing.

Stay hydrated

A hydration target that fits your body and activity.

Free nutrition tools

Jump straight into the calculators — free, no sign-up needed to try.

Open the nutrition calculators All 40+ tools

FAQ

Nutrition questions

What can I work out?

BMR, daily calories, macros, protein needs and hydration — everything for a plan you can follow.

Is it suitable for any diet?

Yes — the targets are goal-based and work whatever your food preferences.

Is it free?

Yes, completely — and a free account saves your targets and adds courses.

Level up your nutrition — free.

Join UNITY 2B3 free. A personal plan, an AI coach, free tools and a real community across 10 areas of life. No card, ever.

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