Portion Perfect works out your calorie and macro targets, then builds you a day of meals to match. Completely free to use.
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Any diet, no compromise
Vegetarian and vegan handled properly, not as an afterthought.
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Real UK food data
Sourced from the UK government's official nutrition dataset.
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Fresh suggestions daily
Regenerate your plan any time for variety.
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No app, no signup
Works straight in your browser, nothing to install.
Your details
Your daily targets
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kcal / day
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protein (g)
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carbs (g)
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fat (g)
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fibre (g)
Sample day —
Not medical advice: Portion Perfect provides general estimates for informational purposes only. Calorie and macro needs vary by individual — consult a doctor or registered dietitian, especially if you have allergies, a medical condition, or specific dietary needs.
Your privacy: this calculator runs entirely in your browser. We don't collect, store, or share any of the personal details you enter.
Data source: calorie and macro targets are calculated using standard nutrition formulas. Sample meal plans use an original recipe library written for Portion Perfect, with nutrition estimated using the UK government's CoFID (Composition of Foods Integrated Dataset, gov.uk / Public Health England, 2021, used under the Open Government Licence v3.0) and USDA FoodData Central (public domain) as reference sources. Contains public sector information licensed under the Open Government Licence v3.0.
Please double-check anything critical to an allergy or strict dietary requirement.