7/11 Crushed Tomatoes Can Sizes (Buying Guide)
“7/11” is not a standard can-size label. In this guide, it means comparing 7-ounce and 11-ounce cans of crushed tomatoes. Choose by the net weight on the label, not the can’s height or width. Match the total ounces your recipe calls for, adjust other ingredients if needed, and cook tomato dishes in a nonreactive pot.
When a recipe calls for a can of tomatoes, “one can” can be unclear. A 7-ounce can and an 11-ounce can differ by 4 ounces, so using one in place of the other changes the amount of tomato in the dish. That can affect its thickness, flavor, and the balance of salt and spices.
I recommend checking the weight before you shop and before you start cooking. In the kitchen, I’ve seen cooks reach for the can they had on hand, then wonder why a sauce turned out thinner or more tomato-heavy than expected. A quick label check and simple conversion can prevent that guesswork.
Can Weights, Labels & Recipe Yield
A can’s net weight is the weight of the food inside, not a measurement of the can’s height or diameter. For crushed tomatoes, use the labeled net weight to compare products and plan recipe amounts. If the label lists drained weight too, treat that as a separate figure; most recipes call for the product as packed.
“7/11” should be read as a comparison between 7-ounce and 11-ounce products, not as a universal can designation. Can dimensions vary by brand, and a can that looks larger does not tell you its exact contents. Check the number of ounces on the label.
The same check helps you compare crushed tomatoes with common retail sizes. Cans labeled 14.5 ounces and 28 ounces are widely sold. Large institutional cans are often called #10 cans, but their net weight can vary by product. Do not assume a #10 can holds a set weight; check its label.
| Label amount | How it compares | Useful buying or recipe note |
|---|---|---|
| 7 oz | Base amount | Use when the recipe calls for 7 ounces |
| 11 oz | 1.57 times 7 oz | Four ounces more than a 7-ounce can |
| 14.5 oz | About 2.07 times 7 oz | A common retail size |
| 28 oz | 4 times 7 oz | A common larger size |
| Two 14.5-oz cans | 29 oz total | One ounce more than a 28-ounce recipe amount |
Also read the ingredient list. Products may differ in added salt or other ingredients, and labels may describe the tomatoes as packed “with juice.” Those details can affect how much salt or liquid you add later. Check the best-by date as well, and follow any storage directions on the package.
Takeaway: Compare the net weight and ingredients, not the container’s appearance. That gives you a reliable starting point for choosing the right amount.
Choosing a Size and Scaling the Recipe
Choose a can by matching its net weight to the amount in your recipe. If the exact size is not available, add the weights of the cans you buy, then scale the other ingredients when the difference is large. This keeps the tomato-to-seasoning balance closer to what the recipe intended.
Use this process at the store or before cooking:
- Find the recipe’s tomato amount in ounces.
- Check the net weight on each can you plan to use.
- Add the can weights to find your total.
- If your total differs from the recipe, decide whether to scale the recipe or hold back some tomatoes.
- Adjust salt and seasoning for the amount you actually use.
The math is simple. An 11-ounce can is 11 divided by 7, or about 1.57 times a 7-ounce can. If you want to scale a recipe from 7 ounces to 11 ounces, multiply its other ingredients by about 1.57. For example, a recipe using 1 teaspoon of seasoning with 7 ounces would use about 1.6 teaspoons at the same ratio. In practice, add salt gradually and taste as you cook.
A 28-ounce amount is exactly four times 7 ounces. If your recipe calls for 28 ounces and you have two 14.5-ounce cans, you’ll have 29 ounces. That is 1 ounce extra. Use it all if a small difference will not matter, or hold back about 2 tablespoons if you want to keep the sauce closer to the stated amount.
| Shopping or cooking situation | What to do |
|---|---|
| Recipe calls for 7 oz; you have an 11-oz can | Measure 7 oz, or scale the other ingredients by about 1.57 and use the full can |
| Recipe calls for 11 oz; you have 7-oz cans | Use 1 can plus 4 oz from a second can |
| Recipe calls for 28 oz; you have two 14.5-oz cans | Use 29 oz, or hold back about 2 tablespoons |
| Recipe lists only “one can” | Look for the can size in the recipe, or use the listed amount of ounces |
Takeaway: Match ounces first. When you change the tomato amount, change the other ingredients too, or season carefully as you cook.
Cooking, Leftovers & Safe Storage
Once you have measured the tomatoes, cook them in a suitable pot and follow the recipe’s heat and timing. A nonreactive pot is one that does not readily react with acidic foods. Stainless steel, enamel-coated cast iron, and glass are suitable choices for tomato dishes.
Tomatoes are acidic. Long simmering in bare aluminum, copper, or unseasoned iron can lead to metallic flavors or discoloration. For a long-cooked sauce, choose stainless steel or enamel-coated cookware rather than relying on bare metal. This is a practical way to protect the flavor as the sauce cooks down.
After adding the tomatoes, stir from time to time and reduce the sauce uncovered if the recipe calls for a thicker result. The time needed depends on the recipe, the amount in the pot, and the heat. Use the recipe’s guidance rather than assuming that a particular can size needs a fixed cooking time.
For leftovers, transfer opened tomatoes from the can to a clean, covered container. Refrigerate promptly at 40°F (4°C) or below, and use within 3–4 days as a best safety practice. Follow the package directions if they give a shorter storage period.
Do not leave cooked tomatoes at room temperature for more than 2 hours, or more than 1 hour when the temperature is above 90°F (32°C). If you are not serving the dish right away, refrigerate it within those limits.
Takeaway: Use a nonreactive pot for simmering, and refrigerate leftovers promptly in a covered container.
Serving and Adjusting Seasoning
The right can amount is the one that fits the recipe’s intended yield and texture. A larger amount adds more tomato, so it may also increase acidity, liquid, and the total volume of the dish. Taste and adjust after the tomatoes have cooked, rather than adding extra salt or seasoning before you know how the final dish tastes.
These kitchen examples show how the same label check works in different situations:
- A small recipe calls for 7 ounces: Buy a 7-ounce can if available. If you only find an 11-ounce can, measure out 7 ounces and refrigerate the rest, or scale the other ingredients to use the full amount.
- A sauce recipe calls for 28 ounces: Two 14.5-ounce cans make 29 ounces. Use all of it if the small difference suits the recipe, or hold back about 2 tablespoons when you want a closer match.
- A recipe calls for a “#10 can”: Do not convert by can name alone. Read the product’s net weight and compare it with the recipe amount before buying or scaling the other ingredients.
If you use less tomato than the recipe calls for, the dish may be less tomato-forward. If you use more, it may need more time to reach the thickness you want. Adjust the other ingredients based on the amount used, then taste near the end and make small changes.
Conclusion: Read the net weight, add can amounts before cooking, and scale the rest of the recipe when needed. Those steps make 7-ounce, 11-ounce, and common larger cans easier to compare and use.
Frequently Asked Questions
These answers cover the most common buying and cooking questions about 7-ounce and 11-ounce crushed tomato cans. The key distinction is that the ounce label gives net food weight, not a standard can dimension. Use that weight to convert recipes, then account for ingredients and storage.
Is “7/11” a standard crushed tomato can size?
No. It is not a standard size label. In this guide, it means comparing 7-ounce and 11-ounce cans. Check the net weight printed on the specific product.
How much bigger is an 11-ounce can than a 7-ounce can?
It contains 4 ounces more. An 11-ounce can holds about 1.57 times the net weight of a 7-ounce can.
Can I replace one 7-ounce can with one 11-ounce can?
Yes, but that adds 4 ounces of tomatoes. Measure out 7 ounces for a closer match, or scale the other ingredients if you use the full can.
How many 7-ounce cans equal 28 ounces?
Four 7-ounce cans equal 28 ounces. This is an exact weight conversion.
Can I use two 14.5-ounce cans for a recipe that calls for 28 ounces?
Yes. Together they provide 29 ounces, which is 1 ounce extra. Use all of it or hold back about 2 tablespoons if the amount matters.
Do can dimensions tell me how much tomato is inside?
No. Height and diameter vary by brand and do not reliably show net weight. Use the number of ounces on the label.
What does a #10 can mean for net weight?
It names a large institutional can format, but the product’s net weight can vary. Check the label rather than assuming a specific weight.
What pot should I use for simmering crushed tomatoes?
Use stainless steel, enamel-coated cast iron, or glass. Avoid long simmering in bare aluminum, copper, or unseasoned iron, which can affect flavor or color.
How long can opened crushed tomatoes stay in the refrigerator?
Refrigerate them at 40°F (4°C) or below and use within 3–4 days as a best safety practice. Follow the package directions if they set a shorter time.
Should I store leftover tomatoes in the opened can?
For storage quality, transfer them to a clean, covered container and refrigerate promptly.
(This article was written by one of our staff writers, Daniel M. Whitaker. Visit our Meet the Team page.)
