How to Keep a Pantry Inventory (and Stop Buying Duplicates)
Last reviewed: October 7, 2026.
Key takeaways
- Don’t count everything. A useful inventory covers your staples, your backups and anything that needs using soon. Skip the spice you bought once in 2019.
- First in, first out: new cans go behind old ones, so the oldest gets used first.
- “Running low” is the habit that matters most. Note it when you open the last one, not when it’s gone.
- Most date labels are about quality, not safety. USDA says that, apart from infant formula, dates aren’t an indicator of safety.
- Check the pantry, fridge and freezer before you write the grocery list. It’s the EPA’s first tip for wasting less.
- Five minutes a week keeps it current. If it takes longer, you’re tracking too much.
Why bother with a pantry inventory?
Most households have bought something they already had: the third jar of cumin, the second bag of rice, the can of tomatoes you were sure you’d run out of. Each one is small. Over a year, they add up, and the doubles push older food to the back where it’s forgotten.
The bigger cost is waste. The EPA estimates that the average family of four spends almost $3,000 a year on food that doesn’t get eaten (EPA, Preventing Wasted Food at Home). USDA estimates that 30 percent of the food supply is lost or wasted at the retail and consumer levels, and notes that some of it is wholesome food thrown away because people are confused about date labels (USDA FSIS, Food Product Dating).
A light inventory tackles both: you know what you have, and you see what needs using before it’s too late.
What to track (and what not to)
The reason most pantry inventories fail is that they try to count everything. Here’s where to draw the line.
| Track it | Skip it |
|---|---|
| Staples you use every week: rice, pasta, flour, oil, canned tomatoes, broth | Things you use a pinch of and buy once a year |
| Backup stock: the spare jar, the extra bag | Exact counts of things you always have plenty of |
| Freezer contents, with the date they went in | Every individual spice (track only the ones you use often) |
| Anything opened that needs using soon | Condiments in daily use you’d notice running out |
| Expensive items you’d hate to double-buy | Single-use items for a specific recipe this week |
Track presence, not precise quantity. For most items, three states are enough: have plenty, running low and out. “Rice: running low” is more useful than “rice: 1.3 lbs”, and far easier to keep up.
How to set up a pantry inventory in one afternoon
Step 1: Empty one shelf at a time
Take everything off a shelf, wipe it down and sort as you go. Doing it shelf by shelf keeps it manageable; doing the whole pantry at once is how kitchens end up with food all over the counter at 9 p.m.
As you go, set aside anything that shouldn’t go back:
- Damaged cans. USDA’s guidance is to discard deeply dented cans, meaning a dent deep enough to lay your finger into, and not to use cans that are bulging, leaking or badly rusted. A small dent on an otherwise sound can is generally fine (USDA FSIS, Shelf-Stable Food Safety).
- Anything with signs of pests, such as webbing, holes in packaging or small insects in flour or grains.
- Things nobody will eat. If it’s been there two years and nobody’s touched it, donate it if it’s unopened and sound.
Step 2: Group like with like
Put all the canned tomatoes together, all the pasta together, all the baking supplies together. Duplicates become obvious the moment they’re side by side, and you’ll probably find a few.
Step 3: Write the list
Use whatever you’ll actually keep up: a sheet taped inside the pantry door, a note on your phone, a spreadsheet or an app. Organize it the same way as the shelves so you can check it by looking left to right.
For each item, note the name and its state (plenty / running low / out). For the freezer, add the date it went in.
Step 4: Label containers
If you decant rice, flour, oats or beans into jars, label each with what it is and the date. The EPA suggests storing grains in airtight, labeled containers with the contents and dates, and labeling frozen food with contents and dates too (EPA).
First in, first out
First in, first out (FIFO) is the habit that stops food expiring at the back of the shelf.
- When you unpack groceries, move the older items to the front.
- Put the new ones behind them.
- When you cook, take from the front.
It takes an extra 30 seconds per shop. For cans and jars, a marker date on the lid (“bought 10/26”) makes rotation easier when the printed date is hard to find.
Store shelf-stable food in a cool, dry cupboard. USDA recommends keeping it below 85°F and away from the stove or the refrigerator’s exhaust, and notes that extreme heat (over 100°F) and freezing temperatures harm canned goods (USDA FSIS, Shelf-Stable Food Safety). The cabinet above the oven is the worst spot in most kitchens.
Build the “running low” habit
This one habit does more than any spreadsheet.
When you open the last one of something, mark it running low. Not when it’s empty: when you open the last can, the last bag, the final box. That gives you a full shopping trip to replace it before you run out.
Make it easy:
- Keep the list where you open things, such as inside the pantry door or on the fridge, or on your phone.
- Make it everyone’s job. Anyone who opens the last of something marks it. Teenagers included.
- Before every shop, copy “running low” and “out” items onto the grocery list. That’s the only time you need to read the whole inventory.
If you keep a backup of your true staples (a spare jar of peanut butter, a second bag of rice), opening the backup is your running-low signal.
What dates on food actually mean
A lot of good food gets thrown away because of the date on the package. USDA’s guidance on food product dating says:
- “Best if Used By/Before” tells you when the product will be at its best flavor or quality. It isn’t a purchase date or a safety date.
- Except for infant formula, dates aren’t an indicator of safety and generally aren’t required by federal law.
- If the date passes at home, the product should still be safe and wholesome if it’s been handled properly, until signs of spoilage appear.
Source: USDA FSIS, Food Product Dating.
For canned food, USDA says high-acid foods such as tomatoes and fruit keep their best quality for 12 to 18 months, and low-acid foods such as meat and vegetables for 2 to 5 years (USDA FSIS, Shelf-Stable Food Safety).
For everything else, look it up rather than guess. USDA’s FoodKeeper gives storage times for the pantry, fridge and freezer for hundreds of foods (FoodSafety.gov, FoodKeeper App).
Make the inventory do some work
An inventory you only look at before shopping is useful. One you use for planning saves more.
- Plan meals around what needs using. The EPA suggests making a list each week of what needs to be used up and planning upcoming meals around it (EPA). Our guide to meal planning on a budget starts there.
- Check it before writing the list. Then turn the plan into a grocery list sorted by aisle.
- Only stock up on what you’ll use. A sale on something you have three of isn’t a saving. Compare unit prices before you buy extra.
Keeping it going
- Five minutes a week, ideally right before you plan meals. Glance at each shelf and update anything that’s changed.
- A full shelf-by-shelf check every few months, or when the season changes.
- If it feels like a chore, cut what you track. A short, accurate list beats a long, out-of-date one.
A paper list on the pantry door works fine. If you’d rather have it on your phone, MyFoodManager’s pantry keeps track of what you have, what’s running low and what to use soon, next to your meal plan and grocery list.
Frequently asked questions
How do I start a pantry inventory?
Empty one shelf at a time, group like items together, and write down each item with a simple status: plenty, running low or out. Track staples, backups, freezer items and anything that needs using soon, and skip things you rarely buy.
What is first in, first out in a pantry?
It means using older food before newer food. When you unpack groceries, move older items to the front and put new ones behind them, then always take from the front.
How often should I update my pantry inventory?
A quick five-minute check once a week, before you plan meals or shop, is enough. Do a fuller shelf-by-shelf check every few months.
Is food safe to eat after the best-by date?
Usually, if it’s been stored properly. USDA says “Best if Used By” is about quality, not safety, and that apart from infant formula, dates aren’t an indicator of safety. Throw out anything with signs of spoilage, and discard bulging, leaking or deeply dented cans.
How do I stop buying duplicate groceries?
Keep a short inventory of your staples, mark items “running low” when you open the last one, and check the pantry, fridge and freezer before writing your grocery list. Shop from the list.
Know what you have before you shop
MyFoodManager keeps your pantry, your meal plan and your aisle-sorted grocery list together, so you can see what’s running low while you write the list, and what needs using while you plan the week. It works on the website and your phone’s browser, and it’s free to start.
