zumbo

Recipe calculator

Add ingredients and servings to get calories and macros per serving. Save the recipe on your device, print the card or share a link.

Privacy: what you type stays in your browser and is not sent to any server. To remember your ticks and your data, this page uses your device’s local storage (it does not use cookies). You can delete it whenever you like. What is stored and how to delete it

How it works and where the data comes from

How to use it

Start from an example or a blank recipe. Add ingredients with the search, adjust the grams, set the servings and write the method with one step per line. The card updates by itself; time and substitutions are under

Saving uses this browser’s storage: there is no account or server. If you clear browser data it is lost. To keep it, print the card or copy the link.

Data and limits

Macros are calculated with USDA FoodData Central (SR Legacy, 2018) values per 100 g. Weigh ingredients raw or cooked as the list says. Weights change when cooking: total calories do not, but calories per 100 g do.[1]

The examples are generic zumbo recipes: they are not attributed to any character and are not official.

Frequently asked questions

Can I swap one ingredient for another?
Yes: remove the ingredient and add the new one with its grams. The numbers recalculate instantly. Each example includes suggested substitutions.
Are the per-serving values exact?
They are an estimate: they depend on generic data and on how evenly you split the servings. Use them as a guide.
How do I save the recipe?
With “Save on this device” (this browser only), by printing the card or by copying the link.

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Sources (1)

  1. U.S. Department of Agriculture, Agricultural Research Service. “FoodData Central, SR Legacy (April 2018)”. Accessed October 16, 2026. fdc.nal.usda.gov/

Date this page was reviewed: October 17, 2026. If you spot a mistake, let us know from the contact page.

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Informational content for healthy adults: it is not medical advice or a personalized diet or training plan, and it does not replace a health, nutrition or training professional. Health notice. If you are a rights holder and want to raise a claim, see the methodology or write from the contact page.