What this tool does
Scale ingredient quantities by people, meals and preparation loss to build a shopping list.
How to use it
- Enter your real assumptions.
- Review the result and its breakdown.
- Compare scenarios and verify important figures.
Formula and method
Purchase amount = people × meals × per-portion amount ÷ (1 − waste rate).
Worked example
Five meals for two people create ten portions before waste adjustment.
Useful for
- Scenario planning
- Budget review
- Preparing questions before a decision
Limits and notes
This scales quantities only. It does not prescribe nutrition or guarantee food safety; follow storage guidance.
Frequently asked questions
Is the result a quote?
No. It is a planning estimate based on your inputs; verify real prices and terms.
Are my inputs uploaded?
No. This tool calculates in your current browser.