Price the meals you will actually use
A $12 purchased meal replaced once weekly by a $4 alternative leaves an $8 difference per meal, or $416 over 52 weeks. The $4 figure should represent a usable portion. Buying ingredients at a low package price does not ensure a low cost per meal if part of the batch is discarded.
| Portions actually used | Cost per portion | Difference from a $12 meal |
|---|---|---|
| 5 portions | $4 | $8 |
| 4 portions | $5 | $7 |
| 3 portions | About $6.67 | About $5.33 |
The last row uses an unrounded $20 ÷ 3 cost internally. At one replacement each week, its annual difference would be about $277.33. This is an illustrative food-cost comparison, not a recommended meal plan.
Check a representative batch
- Total the ingredients attributable to the batch. If you use half a package, allocate half its cost rather than counting the whole package every time.
- Divide by the portions you actually expect to eat. Keep discarded portions in the batch cost.
- Include extras you would otherwise buy separately, such as a drink, so both alternatives describe comparable meals.
- Enter the purchased meal price and visit frequency in the Fast Food Cost Calculator. Set the number of visits you would remove.
- Turn on “Include replacement meals” and enter your cost per removed visit. A $12 visit replaced once weekly with a $4 meal removes $624 of fast-food spending, adds $208 of replacement meals and leaves $416 in net yearly savings. Include everyone covered by the original visit. Negative savings mean the replacement costs more.
Keep first-week purchases separate from ongoing spending
A reusable container or other setup purchase belongs in the first-period comparison if you buy it because of this change. Equipment already owned is not a new cash cost. The calculator does not price ingredients, containers or your time automatically.
If the purchased meal is still bought later in the same week, the replacement may shift timing rather than reduce the purchase count. Check actual totals rather than counting prepared portions alone. Convenience, enjoyment and time also matter; the spending difference cannot decide those preferences for you.
Example arithmetic checked against our calculator. Educational estimates; changing prices and personal circumstances can change results.