Economia Comer em Casa
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
economia
About this calculator
The Eat at Home Savings calculator helps estimate how much you can save by replacing restaurant meals with home-cooked ones. Input the average daily cost of dining out, the equivalent home meal cost, and the number of days you plan to stay home. The result shows accumulated savings from the price difference.
The formula used is: savings = days × (out_cost - home_cost). You define how many days you'll eat at home in a period, and the calculator multiplies by the price difference. Example: if dining out costs $12 and home cooking costs $6, in 10 days you save $60.
Use this tool to plan family budgets, compare food expenses, or track spending reduction goals. It's especially useful for controlling restaurant, fast-food, or delivery service costs while maintaining a healthy financial plan.
Note: update values according to your actual meals (check receipts). Add delivery fees to the out-of-home cost if applicable. For annual calculations, convert months to days (ex: 30 days/month) when using the formula manually.
Frequently asked questions
How to calculate the meal cost difference?
Subtract your average home meal cost from dining out cost. Example: if restaurant meal costs $14 and home cooking costs $8, the difference is $6 per meal.
Can I use estimated values?
Yes, but use the actual prices from receipts for accuracy. Estimated values may lower or overstate the savings.
Is delivery cost included?
No by default. If using delivery services, add delivery fees to the restaurant meal cost before using the calculator.
When should I use this calculation?
When planning monthly food budgets, comparing restaurant vs home costs, or setting spending reduction goals.