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Recipe Scale & Portion Converter
Scale ingredients up or down by servings.
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About Recipe Scale & Portion Converter
Enter original servings, target servings, and ingredient lines to rescale every quantity.
📐 Methodology & Reference Accuracy:
Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Background reading: Recipe Scale on Wikipedia. More: all calculators.
Frequently Asked Questions about Recipe Scale & Portion Converter
How do I use the Recipe Scale & Portion Converter?
Open the Recipe Scale & Portion Converter and use the controls in the workspace below: scale ingredients up or down by servings. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Is the Recipe Scale & Portion Converter free?
Yes. The Recipe Scale & Portion Converter is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
Does the Recipe Scale & Portion Converter store or share my data?
No. The Recipe Scale & Portion Converter runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
What can I use the Recipe Scale & Portion Converter for?
Enter original servings, target servings, and ingredient lines to rescale every quantity. You will find it grouped under Calculators together with 116 other free tools on the PrimeFreeTools homepage.
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