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Meal calorie calculator

A meal is rarely one food. Add each component with the per-100 g figures from its packet, set the weight you actually used, and this returns the calories and macros for the whole plate — no account, no database lookup, no guessing at a combined entry.

Written by the Calybite team · Last updated 25 August 2026

Enter each ingredient with its per-100 g values — the figures printed on the packet or shown in your food database. Leave macros blank if you only care about calories.

IngredientGramskcal /100gProteinCarbsFat

Meal total

0 kcal

Protein

0 g

Carbs

0 g

Fat

0 g

Add at least one ingredient with a calorie value to see totals.

Log a meal in four seconds and see it against your numbers.

Point the camera at the plate. Calybite names it, counts it, and holds it against the target above.

Why combined entries mislead you

Searching a food database for “chicken curry” returns dozens of entries that can differ by four hundred calories, because the name describes a category rather than a recipe. Whoever created that entry cooked it their way, with their oil, at their portion size. None of that is yours.

Building the plate from its components avoids the problem entirely. You know how much rice went on it and how much oil went in the pan, and those two numbers dominate the result. It takes longer than picking a single entry, and it is meaningfully more accurate.

The oil is the bit everyone forgets. A tablespoon is around 120 calories and it does not appear on the plate as a visible ingredient. If you cooked with it, add it as a row — for many home-cooked meals it is the single largest correction you can make.

Getting per-100 g figures

European and UK packaging is required to show energy per 100 g, which is exactly what this tool wants. US labels lead with per-serving values, so divide by the serving weight in grams and multiply by 100. For unpackaged foods — a chicken thigh, a potato — a reference database such as USDA FoodData Central carries verified per-100 g values.

When a photo is faster

This tool exists for the meals worth being precise about: something you cook often, something you are trying to make fit a target. For everyday logging, typing six rows of macros is exactly the friction that ends most people’s tracking within a fortnight.

That is the trade Calybite, the AI food-tracking app, is built around — component-level recognition from one photo, matched against verified nutrition entries, with the result shown for confirmation before it saves. Less precise than typing every gram; far more likely to still be happening in March — though it is worth knowing how accurate photo calorie counting really is before relying on it, and you can look up a food directly once that data is open.

Related: work out nutrition per serving if you are cooking for several people, or split your calories into macros to know what these totals should be adding up to.

Sources

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Stop doing the arithmetic.

A calculator gives you the target once. Calybite holds every meal against it — no credit card, no payment gateway, and free meal scans every day.

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