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How to Measure for My Bra Size: The Phoebe Crop Top

This blog post is to help you measure your estimated bra size for the Phoebe crop top/bralette! I have struggled my whole life to find bras that were conformable and supportive, so when I realized I could design crocheted clothing to custom fit my body, bralettes were at the top of my list. I didn’t initially plan on trying to make a size inclusive crop top, because let’s face it… women’s bodies, and their boobs in particular are so unique!!! You might be 34A cup like me or maybe you are a 34G! Maybe you are a 40A or a 30DDD… SO MANY combinations because we are all shaped differently. I couldn’t have even attempted to create a size inclusive bralette/crop top without the amazing support of my testers, followers and customers!

I am so proud to get to announce the Phoebe Crop Top, releasing this summer (2022) and since it’s sizing chart is dependent on your bra size, I knew I needed to have a way for people to easily measure for their bra size in case they, like me, only wear sports bras or maybe haven’t bought a “real” bra in years so they aren’t entirely sure what their bra size is or how to measure for it properly! Remember that once you know your size, especially if you are right “on the edge” between sizes, you can size down if you want it to fit more like a bra with a bit more cleavage and less coverage OR size up for more coverage and more of a crop top fit.

Once this pattern is available for sale I will link to the pattern here:

First we will measure for your band size.

Wear an unlined or lightly lined, non-padded bra so that your chest is as close to natural as possible. Run the measuring tape all the way around your back where your band sits directly under your breasts. Be sure you keep the measuring tape from twisting. It should be as snug without digging. If you don’t get a whole number (e.g. 33 and 1/2 inches), round to the nearest whole number (34 inches). Write this number down. Then use the chart below to find your band size.

Note: Inches do not equal size, meaning 34 inches does not equal a size 34 band.

a chart of under bust measurements in inches and their corresponding band sizes next to a photo of a woman in a black bra being measured with a measuring tape
Goodhousekeeping.com

Another method is to take the band measurement you write down (not the band size in the chart) and  if you got an even number as your measurement, add 4, or if you got an odd number, add 5. For example, if your original measurement was 30, it would be 30 + 4 = 34 (band size) or if your original measurement was 31, it would be 31 + 5 = 36. I wanted to include at least two methods for finding your band size–using one or the other may move you up or down one size.

Today, my under bust measurement was 30″ so no matter which method I use, my band size is coming out at 34. I tend to fluctuate between 30 & 31″ for my band measurement and depending on the method I use that puts me between a 34 and a 36 Band Size.

Next you will measure for your cup size.

This time you will wrap the measuring tape around the fullest part of your chest (at nipple level). The tape should just skim the bra in front. Round this measurement to the nearest whole number. Now you will subtract your band size from your bust measurement to find your cup size. The difference in inches corresponds to your cup size. So, if your bust measures 37 inches, and your band size (not the band measurement you write down, but the band size you found above) is 34, the difference will be 3. On the chart below, you’ll see a 3 is equal to a C cup, meaning your bra size is 34C.

a photo of a woman in a black bra being measured with a measuring tape next to a chart of bust size minus band size and the corresponding cup sizes
Goodhousekeeping.com

My chest/cup measurement was 34″ so, according to today’s measurements and the chart method, I am officially in the IBTC (Itty Bitty Titty Committee, lol) as a 34AA.

Now, if I find my size on the chart for the Phoebe Crop Top below, a 34AA would put me in the XS/S category! Even if I was fluctuating into a 36AA band/cup size, I would still need to make an XS/S for this design. If I decided I wanted a top with a bit more coverage I could size up and make a S/M but for me, the XS/S fit like a nice, snug, supportive bralette that I can wear daily under my clothes!

I hope you found this helpful and I hope you love this new crop top design! I cannot wait to see all of your amazing Phoebe crop tops!

I would love for your to join my Facebook group and share your progress and process photos!!

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