How much you should spend on groceries a month depends on how many people you feed and which of the USDA's four food plans matches the way you shop. For August 2026, the USDA puts a couple aged 19 to 50 at $652 a month on its low-cost plan and $808 on its moderate plan. A family of four with two school-age children comes to $1,126 or $1,388. Those are monthly numbers, and your paycheck is not monthly, so the second half of this article splits them by payday.
How much should I spend on groceries a month, by household size?
These figures come from the USDA's Cost of Food report for August 2026, issued in September. They assume every meal and snack is made at home, and they include the USDA's own adjustment for household size: add 20% for one person, 10% for two, nothing for four.
$331 a month on the low-cost plan, $403 on the moderate plan
$381 low-cost, $478 moderate
$652 low-cost, $808 moderate
$1,126 low-cost, $1,388 moderate
For another household, add up the people in it from the USDA table and apply the size adjustment. Three people add 5%; five or six take 5% off.
Which of the four food plans is realistic for you?
The USDA publishes four plans at rising cost. They are not ratings of how well you eat. All four are nutritious; they differ in how much time and planning they assume.
The cheapest plan, and the basis for the maximum SNAP benefit. For the family of four above it is $1,024 a month. It assumes nearly everything is cooked from scratch and very little is wasted.
Realistic for a household that plans its meals, buys store brands and cooks most nights.
Leaves room for convenience: more fresh produce and meat, some ready-made food, less planning.
The most choice, at $1,679 a month for the same family of four.
If you do not know where you sit, add up your last two months of grocery spending and see which plan the average lands nearest. Your own history is a better guide than a plan you would like to match.
Why your grocery budget may be higher
The USDA numbers are national averages, and real households drift from them for predictable reasons.
Food costs vary by region, and Alaska and Hawaii have their own USDA tables.
Costs climb with age. On the moderate plan a boy aged 14 to 18 costs $403 a month, more than an adult man.
Allergies, medical diets and dietary choices can all push the number up.
The food plans cover food only. Cleaning products, toiletries and paper goods often land on the same receipt, and they belong in a line of their own.
A short budget categories list keeps the grocery number measuring food.
How much should I spend on groceries per week, or per paycheck?
The USDA builds its monthly figure as the weekly cost times 4.333, because a year has 52 weeks, not 48. Use the same logic for your paycheck.
Monthly grocery budget × 12 ÷ paychecks a year = groceries per paycheck
For the couple on the moderate plan, $808 a month becomes:
$186 from each paycheck
$373 from each paycheck
$404 from each paycheck
$808
The mistake is dividing by four or by two. Take $808 ÷ 2 = $404 on a paycheck that arrives every two weeks, and you set aside $31 more than you need each time, 26 times a year. The biweekly paycheck method works through this for every line, not just groceries.
The five-week month and the three-paycheck month
Divide $808 by four and you get $202 a week. That covers four shops. Several months a year hold five, and the fifth shop has no money behind it.
Budget per week or per paycheck instead, and let the monthly total float. A month with five shops costs more than a month with four, and a budget set per week or per paycheck has already allowed for it.
If you are paid every two weeks, two months a year hold a third paycheck. With groceries planned per paycheck, that third one carries its own $373 like any other, and the rest of it is free for something better. What to do with a three-paycheck month covers the options.
Bringing the number down without a spreadsheet
A list built from planned meals cuts the trips where you buy what looked good.
Top up fresh food in between, and nothing else.
Leftovers packed for lunch replace food you would otherwise buy.
Then the number you are trying to lower is actually food.
A target you picked from someone else's household is not a target.
Doing this in Cashrou
Enter groceries as a recurring expense, weekly or every two weeks to match how you shop, and it sits in each payday's plan next to your bills. The amount shown as left until the next payday is already after food, so what looks spare is spare.
A fifth weekly shop lands in the paycheck it falls in, rather than turning up as an overspend at the end of the month. A monthly budget can tell you what groceries cost in a month. It cannot tell you which paycheck is paying for this week's shop.
