An Ounce is How Much?

Back in the olden days, if you wanted to measure out an ounce of liquid, you simply used your glass liquid measuring cup. I mean, an ounce is an ounce is an ounce, right? Wrong. There’s the UK ounce, the US ounce and then there is the ounce we use in our house – the ‘I think it is an ounce, but I don’t know.’ Is it really that hard to accurately label containers that hold liquid? I did some basic experiments the other day and could not get ounces to be ounces.

We use Avent bottles for when Steve bottle feeds during the day. These nice bottles are labeled for every conceivable measuring standard – the UK ounce, the US ounce, and in case you are from the Continent – mL’s and cc’s. Wouldn’t you think that they would have double checked that they were right? To back up a little – Dara uses Lansinoh storage bags to put milk in for the freezer – those, too, have ounce lines. I mean, c’mon, that is truly not helpful. How can you really tell how much is in there? Anyways, I always thought she was way off measuring because the numbers didn’t add up correctly, but it turns out that the Avent bottles are not correct. I used a 1 ounce shot glass and came out a good bit off the more I filled the bottle up. No matter how I filled the Avent bottles with different ounce measures, I got a different result. So, to wrap up this inane story, I have no idea how much an ounce is – apparently nobody does. How much milk does Quincy drink? Well, he must drink more than 1 ounce but less than a quart at a time.

His weekly picture has been posted, just in case you checked earlier today and it wasn’t there.

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