John Kilopascal wrote in USMA 19428:

>All I know is a cup is 250 mL.  All of the measuring cups in my house are
>dual marked with the 250 mL being closer to the top than the FFU equivalent.
>If I'm at a friend or family member's house when they are cooking, and I
>happen to watch them fill the cup. I notice they always seem to fill it
>closer to the 250 mL amount.  Not that they are consciously doing this, but
>they are filling it as close to the top as possible without going too high
>and having some spill out.


The Canadian Metric Practice Guide lists the following cups:
                Canadian        227 mL
                U.S.            237 mL
                UK              284 mL

These numbers arise from:
                4 Canadian cups = 1 imperial quart
                4 U,S. cups = 1 U.S. liquid quart
                5 British cups = 1 imperial quart

Joseph B.Reid
17 Glebe Road West
Toronto  M5P 1C8             Tel. 416 486-6071

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