Meal calorie estimate
Calculate Meal calorie estimate instantly with the exact formula and a worked example.
Meal calorie estimate
Portion weightg
Protein per 100 gg
Fat per 100 gg
Carbs per 100 gg
Portion calories
602kcal
Per 100 g
172kcal
Protein in portion
35g
Fat in portion
28g
Carbs in portion
52.5g
More about: Meal calorie estimate
What it calculates
The “Meal calorie estimate” calculator computes Portion calories in kcal from 4 parameters: portion weight (g), protein per 100 g (g), fat per 100 g (g), carbs per 100 g (g).
A handy everyday calculator for daily tasks.
Example calculation
With parameters Portion weight = 350 g, Protein per 100 g = 10 g, Fat per 100 g = 8 g, Carbs per 100 g = 15 g the result is 602 kcal (The photo is not analyzed: estimate portion weight and composition from a similar dish).
How to use
- Enter portion weight, protein per 100 g, fat per 100 g and carbs per 100 g — each field above is adjustable with a slider.
- Portion calories (kcal) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Meal calorie estimate calculated?
The Meal calorie estimate calculator computes Portion calories (in kcal) from portion weight, protein per 100 g, fat per 100 g, carbs per 100 g. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Meal calorie estimate calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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