Orçamento semanal
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
Pessoas × ref×7dias
About this calculator
The weekly grocery budget calculator estimates food costs for a group or family, considering the number of people, days, and specific factors. It multiplies the number of people by a daily reference value (based on average spending) and by 7 days. This tool helps plan shopping expenses, avoid waste, or adjust budgets according to group size.
The formula used is People × Ref × 7 days, where 'Ref' is the estimated daily average per person. Example: 3 people × $2.20/day × 7 days = $46.20 weekly. This reference varies by region, diet types, or preferences. Adjust 'Ref' using past receipts or official cost-of-living tables for better accuracy.
Note: this calculation is an approximation and excludes beverages, extra snacks, or seasonal variations. Best suited for basic budgeting, not nutritional planning. Keep real expense records to refine results over time.
Frequently asked questions
What is the 'Ref' factor and how do I determine its value?
The 'Ref' is the daily per-person food estimate. Use receipts, official cost-of-living tables, or government meal calculators for reference.
Can this calculator be used for families with 6+ people?
Yes, adjust the number of people and the Ref value. Larger groups often get bulk purchase discounts.
Should I include beverages and snacks separately?
No, this calculation focuses on main meals. Add beverages/snacks manually for accuracy.
Does the formula account for price variations between cities?
No, manually adjust 'Ref' based on local market data for better results.