Save money on groceries
Free tools to set a grocery budget, compare unit prices, and see if bulk buying or food waste is costing you money.
- Plan meals, save money
- Budget that actually works
- Cut your bill, not your meals
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Free grocery calculators for U.S. households
Grocery Mentor toolkit
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Planning and savings topic areas
Grocery Mentor framework
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U.S. language experiences: English and Spanish
en-US + es-US
$0
Account or subscription cost to use the tools
No sign-up required
Toolkit
Six ways to save money on groceries
Every grocery savings tool lives in the topic it belongs to.
Budget
Figure out how much you should actually spend on groceries, by household size and income.
ExplorePrices & Value
Compare unit prices, bulk deals and store brands so you always buy the cheaper option.
ExploreSavings
Cut your grocery bill with realistic savings tactics, discounts and smarter timing.
ExploreMeal Planning
Turn meals into grocery lists and know the true cost per serving before you cook.
ExploreLists & Pantry
Build grocery lists that save money and track what your basket really costs.
ExploreStorage & Waste
See how long food lasts and how much food waste is really costing you each year.
ExploreStart here
Start with the tools that save the most
Grocery Budget Calculator
Estimate a weekly and monthly grocery planning budget from household size, income, and a broad cost-of-living adjustment. Free, instant, and no sign-up.
Open toolUnit Price Calculator
Free unit price calculator — compare price per ounce, price per pound, or price per count across any package sizes to see instantly which grocery item is the better deal.
Open toolGrocery Basket Budget Checker
Check a planned grocery basket before checkout with live item, tax, checkout, and total-trip costs. Adjust the basket without silently deleting anything.
Open toolGrocery savings guide
How to save money on groceries
To save money on groceries, set a realistic budget, compare unit prices, choose good-value store brands, buy bulk carefully, reduce food waste, and plan meals around what you already have.
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Set a grocery budget before you shop
Want to know how to spend less on groceries? Start with a realistic grocery budget, then turn the monthly amount into a weekly limit you can check while shopping. Base it on your household, income, eating habits, and local prices rather than someone else’s average. This practical grocery budgeting guide explains how to choose a limit you can maintain. Learn how to build a grocery budget that works →
- 2
Compare unit prices for the true cost
Which grocery item is cheaper? Compare the unit price — such as cost per ounce, pound, or count — instead of looking only at the package price. This makes different sizes easier to compare and helps reveal when a larger package is not the better value. Enter each price and size to check the math before you buy. Compare products with the Unit Price Calculator →
- 3
Try store brands on everyday staples
Are store brands cheaper than name brands? They often have a lower shelf price, but the best choice still depends on unit price, ingredients, quality, and what your household will use. Start with familiar staples, compare labels, and keep the alternatives you genuinely like. Read the Store Brand vs Name Brand guide →
- 4
Buy in bulk only when you will use it
Does buying in bulk save money? It can when the unit price is lower and you can store or finish the food before quality declines. Compare package sizes, available storage, and likely waste instead of assuming the biggest pack is best. Check the deal with the Bulk Buying Calculator →
- 5
Reduce food waste before buying more
One direct way to lower grocery costs is to use more of the food you already buy. The USDA identifies food loss and waste reduction as an important priority. Check your fridge first, store food correctly, freeze useful leftovers, and plan soon-to-expire ingredients into upcoming meals. Estimate waste with the Food Waste Cost Calculator →
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Plan meals from your pantry and make a list
How can meal planning save money? Begin with food in your pantry, fridge, and freezer, choose meals that share ingredients, and list only what is missing. A focused grocery list can make shopping decisions simpler and help prevent duplicate purchases. Build a list with the Meal Plan to Grocery List tool →
Turn every grocery trip into a saving decision
Compare unit prices, set a grocery budget that fits your household, check if buying in bulk is really cheaper, and see what food waste costs you — all free, no sign-up.
FAQ
Grocery savings questions, answered
Practical answers built around repeatable decisions, with a free tool for each.
How can I save money on groceries?
Set a weekly limit, compare unit prices, choose the best-value acceptable option, buy bulk only when you can use or store it, and plan meals around food already at home. Measure savings against your own baseline instead of relying on a universal percentage. Grocery Budget Calculator →
How much should I spend on groceries per month?
There is no single correct amount. Start with household size, dietary needs, local prices and take-home income, then convert the result to a weekly limit. For current USDA reference ranges, use the calculator and check the dated source shown on the page. Cost Per Person Calculator →
What is a reasonable grocery budget for a family of 4?
A reasonable budget is one the household can maintain while meeting nutrition needs. Use current USDA Food Plan benchmarks as a dated reference, then adjust for ages, location, dietary needs and food already on hand. Family Grocery Budget Calculator →
Is buying in bulk actually cheaper?
Bulk wins only when its unit price is lower and you will use, freeze or safely store the full quantity. Compare usable quantity rather than package size; expected waste can erase the discount. Bulk Buying Calculator →
Store brand or name brand — which saves more?
Neither label guarantees the better value. Compare the current unit price, ingredients, package size and the quality your household will actually use. Choose the lower usable cost rather than relying on a fixed average discount. Unit Price Calculator →
How do I track my grocery spending?
Set a weekly grocery limit, record the full checkout total, and compare actual spending with the plan. Review the difference every week and adjust categories that repeatedly run over budget. Grocery Basket Calculator →
How much does food waste cost per year?
Multiply your grocery spending by the share of purchased food your household discards, then subtract anything recovered through freezing, leftovers or composting. Use your own inputs because household waste varies widely. Food Waste Cost Calculator →
What is the cheapest grocery store?
The lowest-cost store depends on location, weekly promotions, membership fees and the exact basket. Compare the same products by unit price and include travel, fees and expected waste before deciding. Grocery store comparison guide →
How do I meal plan on a budget?
Build meals around ingredients already at home, reuse a few flexible staples across the week, and shop only for the missing quantities. Repeating this process is usually more reliable than chasing isolated promotions. Meal Plan to Grocery List →
What should I always keep stocked in my pantry?
Keep a small base of shelf-stable foods your household regularly eats, such as grains, beans, canned tomatoes, cooking oil and seasonings. Restock from actual use rather than a universal list. Grocery List Generator →