How to Interpret Can Size Numbers

tin cans

What to Do if Your Recipe Calls for a Number 2, 3 or Other Can Size

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Questions or comments? Email Alice Henneman, MS, RDN, Nebraska Extension in Lancaster County

Some favorite older recipes may call for can sizes such as a Number 2 or a Number 303 can. Here's a chart to help you determine how these correspond to current can measurements.

Can Size Approximations

Can Size Number

Approximate
Volume of Food

Approximate
Weight of Food

No. 1 picnic 1 1/4 cups 10 1/2 to 12 ounces
No. 300 1 3/4 cups 14 to 16 ounces
No. 303 2 cups 16 to 17 ounces
No. 2 2 1/2 cups 20 ounces
No. 2 1/2 3 1/2 cups 27 to 29 ounces
No. 3 5 3/4 cups 51 ounces
No. 10 3 quarts 6 1/2 pounds to
7 pounds and 5 ounces