A minor thing, but sticky...

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Please help. You're welcome to laugh-- I'm laughing at myself-- but please help me out all the same.

I'm doing research for something I'm writing, which involves a long and involved process of working out a workable diet from a given list of ingredients. So I was looking at the nutritional value of peaches (link), and I'd been looking up various foods. The default serving size for the previous foods I'd looked up was one cup. This page had a different default (one large peach), and I wondered whether I should change it to one cup. I knew I would eventually have to figure out how much food one cup actually is... but I couldn't decide what to do. I couldn't make any progress on this, so I went and did other things, and still couldn't figure it out. Finally (must've taken me at least half an hour or more) I decided to leave a note in my notes to go back and look up peaches later and to look up almonds right now. I'm going to have to look up peaches eventually, though...

And when I do... what serving should I look at? One large peach? One cup? Something else? Help!!

Someone needs to make a cat macro that says "i can haz executive function?"

I would guess a large peach = 1/2 of a cup.
You could go to the store and buy a peach (or an orange of the same general size) and squish it into a measuring cup. Or maybe use eggs.

The USDA nutrient data base defines the two as follows (edible material only, raw peach)

one large peach as 174g
one cup of peach slices as 154g

Search USDA database

hope it helps. Ridiculous accuracy I know, but I'm writing a program to track what I eat so I ran into this problem before

Thanks. Still haven't looked up peaches.

How does your program work?

In the end its kind of like the nutrition data site you linked. All the information they have is from the same place I downloaded mine.

The theory eventually is to have it track things as I buy them and eat them. So that my computer can keep track what I need from the store, what I have to use before it goes off, what meals I can make with the food I have left, what left overs I have, and track nutrition day to day.

It's a pain to start with because you have to actually enter specific measures, but in the end you should be able to tell it things like:
I bought everything on the shopping list but apples or I cooked chicken curry with rice and ate half and have it deal with the rest.

So far I'm mid way through writing the section that tracks what foods go into meals, and grabs all the nutritional data. For the problem you ran into I think I'm starting with measures like 1 cup or large peach, then moving to just weighing things later.

Depending on how involved the diet that your are making is there are a couple of pre-made programs online that will handle the calculations for you. The website you linked looks like it might do it, Idiet (link) is an option if you just need to calculate the basics. There was another one or two but I would have to look for where, and they got more complicated to use.

That's really cool!!