Cooking · NUMORA
Recipe Scaler Calculator
You have a bag of beans or a weighed dose. You want the water right for pour-over, press, or espresso.
Open interactive calculatorHow to use
One ingredient per line: name amount unit.
Formula
new = old × (newServ / oldServ)
FAQ
Is this Recipe Scaler calculator accurate?
The formula and assumptions are shown on the page, and the engine is covered by audit tests. Results are for reference — not financial or medical advice.
Do I need an account?
No. Calculations run in your browser. Recents can stay on this device.
What inputs do I need?
One ingredient per line: name amount unit.
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