Meal Prep Cost Calculator accuracy and testing

Formula source

• Adjusted food cost = ingredient cost * (1 + waste percent / 100). Labor cost = prep hours * hourly value. Total batch cost = adjusted food cost + container cost per serving * servings + labor cost. Cost per serving = total batch cost / servings.

Test cases

Known limitations

• This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
• Use the result as a planning estimate unless the calculator page states a stricter purpose.

Assumptions

• Waste percent is applied to ingredient cost, not containers or labor.
• Servings are assumed equal size.
• Calculations run locally and do not store grocery or diet details.

Unit handling

• Ingredient Cost accepts values in $.
• Servings accepts numeric values.
• Container Cost per Serving accepts values in $.
• Prep Time accepts values in hr.
• Hourly Time Value accepts values in $/hr.
• Ingredient Waste accepts values in %.
• Cost per Serving is displayed as currency.
• Total Batch Cost is displayed as currency.
• Food Cost per Serving is displayed as currency.
• Time Value is displayed as currency.

Rounding rules

• Number displays use up to 2 decimal places in the calculator UI.
• Currency outputs are displayed with standard US dollar formatting.
• Input precision follows configured step values where provided.

Version history

Change log