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Grocery Mentor

Family Grocery Budget Calculator

Build a dated grocery planning estimate from transparent household profiles and USDA-derived reference rates; use the USDA tool for exact age and sex rows.

Household planning profiles

USDA Food Plans, July 2026. Age profiles are transparent planning weights; use the USDA Food Plan tool for exact age/sex rows.

Weekly family planning estimate

$251.48

Monthly family planning estimate

$1089.65

Quick answer: A family of four in the US costs about $1,025 a month on the USDA Thrifty plan and $1,128 on the Low-Cost plan - roughly $237 a week on Thrifty, per the July 2026 USDA report - but the right number for your family depends on how many people you feed and their ages, since the USDA prices food separately for toddlers, kids, teens, and adults.

Make your grocery budget go further

Before choosing a package or sale offer, use the Unit Price Calculator to compare price per pound, ounce, or item. Then use the Servings & Leftover Portion Calculator to plan meals from food you already have.

Evergreen method

Build a budget from your own baseline

Use observed household spending and an explicit adjustment instead of treating a national average as a personal target.

Formula

monthly budget = weekly baseline × 52 ÷ 12

Reproducible steps

  1. 1.Average at least four normal shopping weeks.
  2. 2.Separate groceries from restaurants and household supplies.
  3. 3.Apply one realistic adjustment, then review the result against actual receipts.

Data note — Evergreen model: The formula works with your own inputs and does not depend on a specific price or year.

Read our methodology and update policy

FAQ

Questions, answered

How much should a family of 4 spend on groceries per month?

Roughly $1,025 to $1,128 a month on the USDA Thrifty and Low-Cost plans, or about $237 a week on Thrifty (July 2026 report) - though the exact number depends on the ages of everyone in the household.

Does my grocery budget need to change as my kids get older?

Yes - the USDA prices food separately for toddlers, children, teens, and adults, and teenagers in particular eat meaningfully more than younger kids.

What is the difference between the USDA Thrifty, Low-Cost, Moderate, and Liberal food plans?

They are four spending tiers from most to least frugal, based on the same nutritious diet - Thrifty is the leanest realistic budget, Liberal assumes more variety, convenience, and premium items.

What is the average family of 4 grocery bill per month in 2026?

A family of four costs about $1,025 a month on the USDA Thrifty plan - roughly $237 a week - and about $1,391 a month on the moderate plan, per the USDA report for July 2026. Actual spending varies by the ages of family members, location, and diet.

How much does a family of 4 spend on groceries per week?

About $237 a week on the USDA Thrifty plan for a family of four - roughly $59 per person - or about $321 a week on the moderate plan, per the USDA report for July 2026. The Family Grocery Budget Calculator above adjusts this for the exact ages in your household.

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