Recipe Scaler
Scale recipe ingredient quantities up or down for a new serving size.
One ingredient per line, starting with the amount (e.g. '200 flour').
300 flour
4.5 eggs
150 sugar
How to use
Enter your values above and read the result instantly.
How it works
Everything is computed locally in your browser — nothing is uploaded.
Frequently asked questions
Is it free?
Yes, completely free with no limits.
Is my data private?
Yes, all processing happens in your browser.