Tomato Sauce Can Sizes: A Guide to Sauce, Paste & Puree
Common tomato sauce can sizes include 8, 15, and 29 ounces in the US retail market. Bring paste and puree into it and the choices change: concentrated paste is often sold in smaller packs, while sauce and puree also come in larger cans for batch cooking. Foodservice buyers frequently encounter the #10 format. The right size depends on which tomato product you need, how much you use, and whether you are buying a finished product or specifying a can for production.
Tomato Sauce Can Sizes at a Glance: What’s Actually on the Shelf
The retail shelf runs on three main product families: sauce, paste, and puree. The table below shows sizes listed by established US brands, with diced tomatoes included for comparison. These are available product examples, not a worldwide standard or a specification for the empty can.
| Product | Net weight (oz) | Approx. net weight (g) | Typical use |
|---|---|---|---|
| Molho | 8 / 15 / 29 | 227 / 425 / 822 | Cooking sauces, soups, and dishes using a prepared tomato base |
| Paste | 6 / 12 / 18 | 170 / 340 / 510 | Concentrated flavor, usually added in smaller quantities |
| Puree | 10.75 / 29 | 305 / 822 | A smooth tomato base for soups and sauces |
| Diced tomatoes | 14.5 / 28 | 411 / 794 | Dishes where tomato pieces and texture matter |
Sources: Hunt’s official listings for tomato sauce, tomato paste, tomato pureee diced tomatoes; Contadina’s paste range includes the 18 oz option. Gram values are rounded conversions of the listed ounce weights.
What sizes do cans of tomato paste come in? The tomato paste can sizes above offer small and larger retail options. For recipe measurement, Contadina’s 6 oz label lists about five servings of two tablespoons: approximately 10 tablespoons, or ⅝ of a US cup. That estimate comes from a rounded serving declaration; it is not a universal weight-to-volume conversion for every paste.
Regional packs and recipe conventions differ. Check the product name and the unit on the label before substituting one can for another. A net weight in ounces or grams does not tell you the volume in cups, nor does it identify the can’s diameter and height.
Sauce, Paste, Puree: How the Product Type Sets the Can Size
Concentration and recipe use help explain the different pack sizes, alongside brand choices and local buying habits. Smaller packs can reduce leftovers when the recipe needs only a little concentrated paste; larger packs suit meals or batches that use more tomato base.
Paste. Tomato paste is concentrated, so a dish may need only a tablespoon or two. Do not assume that every paste is labeled double-concentrated: concentration and consistency vary by product. Choose the pack around the amount you will use and follow the brand’s storage instructions after opening.
Sauce. A prepared tomato sauce may contain salt, herbs, or spices and can be used in larger quantities. Check the ingredients when replacing it with another tomato product, since the seasoning and concentration may differ.
Puree. Tomato puree can sizes cater to both smaller recipes and larger batches. Puree provides a smooth base, but its consistency and ingredients are product-specific. A can of puree and a can of paste are not interchangeable simply because their net weights match.
Decoding Old Can Names: No. 2, Buffet Size, and the Numbering System
Can Names and Dimension Codes: Two Different Labels
An old recipe’s “No. 2” or “No. 10” is a traditional can designation. A code such as 307 × 306 is a diameter-and-height notation, with each three-digit group combining whole inches and sixteenths. In that notation, 307 reads as 3 7/16 inches and 306 as 3 6/16 inches. Traditional names and dimension codes are related through reference charts, but they are not interchangeable labels or guaranteed net weights.
| Name in a recipe | How to read it | What to confirm |
|---|---|---|
| Picnic / No. 1 | Traditional small-can names; wording may vary between references | The original ingredient quantity and the exact designation |
| No. 300 / No. 303 | Common names for retail food-can formats | The labeled net weight of the tomato product being substituted |
| No. 2 / No. 2½ | Traditional formats found in older recipes | The recipe’s weight or volume equivalent, not just the number |
| No. 3 / No. 3 squat | The added shape description matters | The complete can name; do not treat the two as identical |
| No. 10 / #10 | A large foodservice format | Net weight and recipe yield for the specific product |
For a broader lookup, use our food can sizes chart. Treat household conversions as approximate; use the actual product label for ingredient quantities.
A #10 can of sauce and a #10 can of paste can carry different net weights because product density and fill level differ. Different labeled weights do not, on their own, prove that the cans have different external dimensions. Recipe yield comes from the contents; equipment fit comes from the can drawing.
What “Buffet Size” and Other Old Names Mean Today
“Buffet size” is an older small-can description, often associated with an approximately 8 oz pack in can-size guides. If a recipe gives only that nickname, check its original quantity notes and serving count before buying a replacement. Likewise, “one can” without a size should not automatically be interpreted as a 6 oz paste can or a 15 oz sauce can.
Physical Can Dimensions: Retail, Foodservice, and Industrial Specification Lines
From Can Numbers to Real Dimensions
For shelves, case trays, and filling equipment, tomato can sizes need to be expressed as diameter × height. The net weight on a retail label cannot establish those dimensions: the same weight may be offered in different can shapes, and a single shape may hold different weights of sauce or paste.
O nosso standard can dimensions and codes guide explains the naming convention and measurement points. For example, the 603 × 700 notation associated with #10 reads as 6 3/16 × 7 inches, approximately 157.2 × 177.8 mm. These are nominal code conversions, not a substitute for measured dimensions and tolerances on the can maker’s drawing.
Three details to read from a can drawing
Retail, Foodservice, Industrial: Three Specification Lines
For buyers and producers, it helps to separate retail packs, foodservice cans, and bulk industrial packaging. Compare portion needs, stock turnover, and handling costs alongside the purchase price.
| Specification line | Embalagem | Works well for | What to check |
|---|---|---|---|
| Retail | Small and family-size cans, including the packs above | Household recipes and smaller batches | Portion size, leftovers, and total cost per usable quantity |
| Foodservice | #10 and other large cans; net weights vary by product | Restaurants, catering, and high-turnover kitchens | Yield per can, case quantity, handling weight, and use after opening |
| Industrial | Bulk cans or aseptic bag-based formats, as specified by the supplier | Further processing and large production batches | Unloading method, storage, and compatibility with the receiving process; an aseptic bag system is different from a canning line |
Reading the Label: Net Weight, Acidity, and the Seam
A pack size tells you how much product is declared, while the product formulation and closure determine other requirements. Keeping those questions separate helps avoid mistakes when comparing tomato products or setting a production specification.
Net weight and volume. A 29 oz net-weight declaration is approximately 822 g, not 29 fluid ounces. Similarly, 796 mL converts to about 26.9 US fl oz, a volume that cannot be compared directly with a 28 oz net weight. The FDA Food Labeling Guide’s net-quantity section distinguishes weight and fluid measure. Check net weight with a suitable scale and subtract the container’s tare; do not infer underfilling from a measuring cup. Drained weight, where relevant, is a separate measure from total net contents.
Acidity and processing. Do not assume every tomato sauce has a pH below 4.6. Formulation and the finished equilibrium pH matter. The FDA’s acidified and low-acid canned food guidance defines low-acid canned foods using both pH and water activity and specifically excludes tomatoes and tomato products with a finished equilibrium pH below 4.7. This exception is not a general exemption from safe processing. Have a qualified process authority determine the applicable classification and thermal process for the actual formulation and container.
Seam integrity. The double seam must meet the can-and-end supplier’s specification. Damage or an inadequate seam can compromise the package; acceptable acidity does not compensate for a defective closure. Can and end coatings also need to be suitable for the formulation and processing conditions.
Can Size and Your Production Line: What Filling and Seaming Can Handle
Can size is a production-line decision because it affects conveying, filling, closing, and case handling. Plan the formats you want to run before ordering equipment, then ask which adjustments, change parts, and trial runs are needed. Some changes can be handled within an existing machine’s range; others require different equipment.
Filling follows the product. Concentrated paste and some purees need a filling system that handles their consistency at the intended filling temperature. A piston filler is one form of volumetric filler; it is not a separate category from volumetric filling. Select the dosing method, hopper arrangement, and nozzle for the product’s viscosity, particles, target weight, and output. One suitable configuration may handle more than one tomato product, but that should be established through trials.
Seaming follows the can and end. A seamer is specified by its supported can dimensions and closure tooling, not by a retail net weight. A machine whose maximum diameter is 130 mm cannot be assumed to handle a #10 format with a nominal diameter around 157 mm. For a producer running both retail and foodservice cans, verify the actual diameter, height, filled weight, end profile, and handling clearances for every format. Changeovers may involve chucks, rollers, lifter settings, guides, and other parts depending on the machine and can design.
Closing conditions follow the process. The required headspace and vacuum conditions depend on the product, filling temperature, container, and established thermal process. Nitrogen flushing is an optional process choice, not a universal requirement for tomato sauce. A residual-oxygen figure from a different product or machine configuration should not become the acceptance target for this line.
The Business View: Choosing Specification Lines Before Choosing Your Production Line
Turn the target packs into a short project brief before asking for equipment quotes. The aim is to identify the formats and operating conditions the supplier must evaluate, including your export market’s labeling units and expected batch sizes.
Three-point checklist before an equipment discussion
- Define your products and sales formats
List sauce, paste, or puree; target net weights; retail or foodservice packs; batch sizes; and required output. Include the target market and label units.
- Provide the package drawings
Send the can body and end specifications, material and coating details, and filled weight. Ask for supported formats, required change parts, changeover time, and associated costs.
- Agree on trial conditions and acceptance checks
Provide product samples, filling temperature, consistency and particle information, and the established processing requirements. Agree on checks for fill accuracy, seam quality, and output under those conditions.
At Levapack, we help you match our can sealing machines to your can and end specifications. Share the product and production requirements alongside the drawings so we can review the configuration and sample testing needed for your project.
Get a Fit Check for Your Tomato Can Project
Send us your can and end drawings, tomato product details, target fill weight, and output. We will help you review the equipment configuration for your planned pack sizes.
Send Your Can Specs →References
- FDA. Food Labeling Guide — Net Quantity of Contents Statements.
- FDA. Acidified & Low-Acid Canned Foods Guidance Documents & Regulatory Information.
- Hunt’s. Tomato Sauce — Available Sizes.
- Hunt’s. Tomato Paste — Available Sizes.
- Hunt’s. Tomato Puree — Available Sizes.
- Hunt’s. Diced Tomatoes — Available Sizes.
- Contadina. Tomato Paste — Pack Sizes and Serving Information.




