Recipe Nutrition Calculator
Add your recipe ingredients by weight to estimate the calories, protein, carbs, and fat, per serving and for the whole dish. Calculates in your browser.
Calories per serving
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Show the math
Each ingredient is scaled from its per-100-gram values, then summed and divided by servings:
per serving = Σ (grams ÷ 100 × per-100 g) ÷ servings
Per-100-gram figures come from USDA FoodData Central; brands, cuts, and cooking method all shift the real numbers. Weighing ingredients in grams gives the most accurate total. This is a guide, not medical or dietary advice.
What this does
A recipe nutrition calculator estimates calories, protein, carbs, and fat (per serving and for the whole dish) from your ingredients by weight.
How to use it
- Add each ingredient by weight.
- Set the number of servings.
- Read the per-serving nutrition.
- See the totals for the whole dish.
How it works
Each ingredient is scaled from its per-100-gram values in USDA FoodData Central, summed, then divided by servings. Weighing in grams gives the most reliable total.
per serving = total nutrition ÷ servings
Understanding your result
These figures are estimates built from USDA per-100-gram values for generic foods, so they will not match a lab analysis or a specific brand, but they are reliable enough to compare dishes and track rough intake. Weighing ingredients in grams, rather than using volume, gives the most consistent per-serving result.
Example
250 g of all-purpose flour (910 kcal) plus 200 g of sugar (774 kcal) is 1,684 kcal; split into 4 servings that is 421 kcal, 6.4 g protein, 97.7 g carbs and 0.6 g fat each.
Last updated .
Frequently asked questions
How does it work out the nutrition?
Each ingredient is scaled from its typical per-100-gram values, then all of them are summed and divided by the number of servings you set.
How accurate are the figures?
They use USDA FoodData Central values for generic foods, but brands, cuts, and cooking method all shift the real numbers. Weighing ingredients in grams gives the most reliable total.
Why measure in grams?
Weight is far more consistent than cups or spoons across different ingredients, so it gives a more accurate nutrition estimate. Use the Cups to Grams converter if your recipe is in volume.
Is my data stored?
No. Everything is calculated locally in your browser — nothing is uploaded or saved.
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