Grocery Budget Calculator

Calculate weekly and monthly grocery budget by household size and diet type using USDA data.

By Konstantin Iakovlev · Updated September 2026 · Source: USDA — Cost of Food at Home, July 2026

Meal Prep

Weekly Cost

$160.50

Monthly Cost

$695.45

Per Person / Month

$347.72

Budget Details

Weekly (2 people)$160.50
Monthly Estimate$695.45
Per Person Monthly$347.72
USDA Moderate Plan$695.45

Use the Grocery Budget Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Food spending is one of the easiest budget lines to misjudge, which is why this estimate leans on USDA's latest Cost of Food at Home report, for July 2026, and scales it to your household size and the plan you choose. A grounded grocery number helps you plan finances, put enough toward nutritious meals, and avoid overspending, all of which add up to eating well while keeping more money in your pocket.

The figures come from USDA's Thrifty, Moderate-Cost and Liberal food plans. USDA prices fifteen age and sex groups separately, so the calculator uses the average per person for its reference family of four, a man and a woman aged 20 to 50 with children aged 6 to 8 and 9 to 11: in July 2026 that is $59.13 a week on the Thrifty plan, $80.25 on Moderate-Cost and $97.10 on Liberal. It multiplies that by the number of people and converts weeks to months at 4.333, USDA's own factor. A household of adults will usually spend more per person than this average, and one with young children less.

These numbers are starting points, and your actual outlay shifts with local prices, sales, and shopping habits. Eating out is a separate expense that this calculator deliberately leaves out, so budget for it on its own. Specialized needs beyond the general plans, such as severe allergies or a strictly organic diet, can also push real costs above what is shown here.

Example: Family of Four's Moderate Grocery Budget

  1. 1 A family of four picks the Moderate-Cost plan.
  2. 2 USDA's July 2026 report prices its reference family of four at $321.00 a week on that plan, which is $80.25 per person. Weekly cost: $80.25 × 4 = $321.00.
  3. 3 Monthly cost: $321.00 × 4.333 = $1,390.89.
  4. 4 USDA reissues these figures every month as food prices move, so treat them as a benchmark. A family spending consistently more could look at the Thrifty plan, which prices the same family at $236.50 a week.

Source: USDA — Cost of Food at Home, July 2026 · Last updated: September 2026

Frequently Asked Questions

How much should a family of 4 spend on groceries per month?
USDA's July 2026 report puts monthly food-at-home costs for its reference family of four, two adults aged 20 to 50 and children aged 6 to 11, at $1,024.90 on the Thrifty plan, $1,128.31 Low-Cost, $1,390.89 Moderate-Cost and $1,682.94 Liberal. The actual median American family of 4 spends about $1,000-$1,200 per month on groceries.
How do I reduce my grocery spending?
Plan meals before shopping and make a list to avoid impulse buys. Buy store brands (20-30% cheaper), shop sales, buy in bulk for non-perishables, reduce food waste by using what you have, and limit convenience and pre-packaged items. Discount grocers like Aldi can save 30-40% versus traditional stores.
How much should one person spend on groceries per week?
In July 2026 USDA priced a woman aged 20 to 50 at $58.60 a week on the Thrifty plan and $77.80 on Moderate-Cost, and a man at $73.70 and $92.00; USDA suggests adding about 20% for someone living alone. These amounts cover home-cooked meals and basic staples. Add dining out and the total food budget increases by 30-50%.