How to Interpret Can Sizes: What to Do if a Recipe Calls for a Number 2 Can

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cans in cupboardAlice Henneman, MS, RD, UNL 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

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