Canning inventory: How to keep an accurate count

Updated October 17, 2026

A canning inventory lists the home-canned food you have on hand, how many jars remain, and where they're stored. Include the processed date and jar size for each batch, and update the count as you use jars.

You know you canned more tomato sauce. You just can’t remember how much is left—or whether it’s in the kitchen pantry or downstairs.

A canning inventory gives you one place to check. It lists what you have, how many jars remain, and where you put them. Keeping it current can be as simple as crossing off a jar when you use it.

Together, all those jars make up your cantry, wherever you store them. You can keep the inventory in a notebook, a spreadsheet, or a canning app.

We’re building The Cantry because we like having our canning records on our phones. But a notebook or spreadsheet might suit you better. We’ll cover those options, too.

What to include in your canning inventory

Start with a line for each batch: the jars of one product from one canning session. Keeping batches separate lets you tell last summer’s green beans from the ones you canned this year.

For each batch, write down:

• Product. The name you’ll look for, like tomato sauce or raspberry jam. Use the same name each time so you can find all your batches together.
• Processed date. The date you processed the jars. This helps you tell batches apart and sort them from oldest to newest.
• Jar size. Half-pint, pint, quart, or another size you use.
• Remaining. The number of jars you have now.
• Jar location. Something you’ll recognize, like “Basement, shelf A” or “Kitchen pantry.” You can be more specific if you have several shelves in one room.

If you split a batch between two places, give each place its own line with the number of jars stored there. Do the same for different jar sizes. That way, “6 pints downstairs” and “4 quarts in the kitchen” don’t get mixed into a count you can’t use.

Your canning log can hold the fuller batch record, including the recipe, its source, and your notes. The inventory is where you check what’s still on hand.

Here’s an example with four batches. Notice that the green beans have separate entries for each processed date.

For a paper version, the canning inventory sheet has space for these details, plus the quantity you started with and a tally of jars used. If you’re deciding how to name storage spots, recording where your jars are stored has more examples.

Keeping the count up to date

It’s easy to open a jar of jam and forget to cross it off. A few missed updates later, the list says you have 6 jars, but you can only find 3.

Keep the record somewhere convenient for whoever takes the jars. A printed sheet and a pencil beside the shelf might work better for you than a notebook in a kitchen drawer. If you prefer your phone, make the inventory easy to get to when you’re choosing something for dinner.

Remember the jars that leave in other ways, too. Giving your neighbor 2 jars of beans reduces the count by 2, just as opening them would. Subtract any jars you discard as well. If you move jars to another room, change their location so you can find them later.

You can also jot down which jars you gave away or discarded. When you’re working out how much to can next year, that helps you separate what your household ate from what went elsewhere. Those notes are useful when you make your canning plan.

If the numbers stop matching, count the jars you have and update the inventory. You can start again from there without reconstructing every missing jar.

Paper, spreadsheet, or app?

You don’t need a complicated setup. Choose something you’ll be comfortable updating after the first afternoon of organizing is over.

A notebook or printed sheet

A sheet beside your jars is easy to check and easy for someone else in the household to update. You can tally each jar as you take it, then subtract the tally from your starting quantity to see how many remain.

If you want to check the list while you’re out, take a photo of the current sheet. You’ll still be doing the arithmetic yourself, but paper may be all you want for a small collection.

A spreadsheet

A spreadsheet is handy when you want to sort batches by processed date or add up all the pints of green beans across several shelves. Formulas can calculate what’s remaining from the quantity you entered and the jars you’ve used.

It takes some setup, and you’ll still enter new batches and update the used count. If you already enjoy working in a spreadsheet, that may suit you well. Spreadsheet, paper or app compares the options in more detail.

A canning app

A useful question to ask of a canning app is whether recording a batch also adds its jars to your inventory. If the two are linked, you won’t have to enter the same jars twice.

Check how it handles jar sizes and storage locations, and how you update the count when you use a jar. Our guide to a pantry inventory app for home-canned food looks at those details.

Finding your older batches

When you’re looking for your oldest batch of a product, sort its entries by processed date, oldest first.

In the example, the green beans from July 12, 2025 appear before the ones from August 2, 2026. Both batches are pints on basement shelf A, so the date is what tells them apart.

Putting the processed date on each jar’s lid or label helps you match it to the inventory when you get to the shelf. How to keep track of home-canned food covers labels and batch records in more detail.

Keeping your inventory in The Cantry

In The Cantry, logging a batch adds its jars to your inventory. You can see how many remain and where they’re stored, with older batches shown first.

When you open a jar, mark it used and The Cantry updates the count. Use the same action for jars you give away or discard, with an optional gifted or discarded tag to keep track of where they went.

You’ll still record when you take a jar. The Cantry handles the subtraction, so the next time you wonder how much tomato sauce you have, you can check your inventory.