need a "reverse size chart"

[vrykalak]

I sell lots of t-shirts and other vintage clothing.
I need a table that tells me what the dimensions of the clothing item must be to fit a person who wears a particular size.
ex. what should the chest measurement be for a men's t-shirt size L?
ex. what about a woman's blouse size S?
Size charts say, if your chest measurement is this, your shirt/blouse size is that.
I need information the other way around: a shirt with a 40" chest diameter is __ in women's shirts and __ in men's shirts.

Does such a thing exist anywhere

[madisongraytreasures]

https://www.liveabout.com/us-womens-apparel-size-charts-4078100

https://www.sizeguide.net/size-guide-men-size-chart.html

Hope these help. 😊

[vrykalak]

Alas, no. These are regular size charts.

They tell what size you need based on BODY measurements.
What I need is a chart that is based on GARMENT measurements.
What size corresponds to a GARMENT with a particular shoulder, chest or hip measurement, not what size corresponds to a PERSON with those measurements.

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[postingid2017]

As a former eBay seller of vintage items including clothing, shoes, and accessories, I have never stated within the listing the "size."  I only state the measurements of the garment/item in the listing because vintage sizes, especially in clothing were smaller than what the size is today.  When I purchase vintage clothing items for myself, I check the measurements against what I know are my own measurements and allowing at least two (2) or more inches to allow for movement.

[graceanddisgracevintage]

https://www.blitzresults.com/en/jacket-size/

Found this site, it may be what you're looking for