• ChatGPT
  • Gemini
  • Grok
  • DeepSeek
  • Claude
62+ models

Identify a Dish from a Photoand estimate the calories

Upload a photo of your plate: the model figures out what's on it, estimates the portion size, and gives an approximate calorie count broken down by ingredient.

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Ready-made prompts

Why Moleculs.ai

A straightforward way to work with AI

What the AI can tell you about your plate

Dish composition, calories, protein-fat-carbs, recipe

  • What the Dish Is

    Name and composition - exactly what's on the plate and what it's made from.

  • Approximate Calories

    An estimate for the portion, broken down by where most of it comes from.

  • Protein, Fat, Carbs

    A rough ratio - so you see the structure of the meal, not just one number.

  • Recipe from a Photo

    Liked a dish at a café? Ask for the recipe right away and make it at home.

All of it right in one window. Pick a task, write a short prompt, and get a draft you can quickly shape into your own.

How to count calories from a photo

  1. Step 01

    Photograph Your Plate from Above

    This shows both the composition and the portion's area - the main input for estimating weight.

    Photograph Your Plate from Above
  2. Step 02

    Add a Scale Reference

    A fork or glass next to the plate helps gauge the real size of the portion.

    Add a Scale Reference
  3. Step 03

    Upload the Photo to Chat

    Straight from your phone, no app to install.

    Upload the Photo to Chat
  4. Step 04

    Mention the Cooking Method

    Fried or steamed - the calorie difference is bigger than it looks.

    Mention the Cooking Method

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Calorie counting from a photo: what it's actually good for

Counting calories by hand is tedious, and manual-entry apps usually get abandoned in the second week. A photo of your plate is a trade-off: fast, but approximate. It's worth knowing where the line is between "useful" and "wishful thinking."

What the model can see, and what it can't

It sees composition: what the dish is, the main ingredients, roughly how much is on the plate. That's enough to tell a vegetable salad apart from one loaded with mayo, or to notice that the side dish is one and a half times a normal portion.

What it can't see is the main thing - the fat and sugar that went into cooking. A spoon of oil in the pan is about a hundred calories that simply aren't visible in the photo. Same with salad dressing, sugar in a sauce, or breading that soaked up oil. It can't see weight either: a top-down shot shows area reasonably well, but thickness is a guess.

So a fair estimate is usually off from reality by about a quarter, and more on fatty dishes.

How to get closer to the truth

Three tricks. Shoot from above - it shows the area. Put a fork or a glass next to the plate as a scale reference. And add in words what the camera can't show: "fried in two tablespoons of oil," "salad with no dressing," "a piece about the size of my palm."

Who this is good enough for

Anyone tracking their diet in general terms: keeping calories in a rough range, wanting to see the overall structure of a meal, telling a light lunch from a heavy one. Here, an estimate from a photo beats nothing and doesn't cost you any time.

Who it won't work for: anyone who needs medical-grade precision - carb counting for diabetes, a renal or elimination diet, strict mass-gain tracking. That needs a kitchen scale and composition tables, and no photo can replace them.

More than just a count

As a bonus, from the same photo you can ask for the recipe of a dish you liked at a café, or ask how to make a familiar dish lighter without ruining the taste. That's often more useful than the number itself.

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