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The International Size Reference Guide

Swimsuit Plus Size Chart, US

Determine your US (American) swimsuit plus size
Going swimming? Make sure that your swimsuit fits well. Determine your US plus size swimsuit size below. Note: Plus Size is sometimes also referred to as Curve Size. Anyways: enjoy your time in the water!

How to Measure Plus Size Swimsuit Size

Find swimsuit plus size based on bust, waist, hips, and torso measurements.
Measure Hips: Use a flexible measuring tape to measure circumference around your hips and bottom, at the fullest part of your hips.
Measure Waist: Measure circumference around your waistline. Not sure where you waistline is? Your waistline is the narrowest part of your torso, located just above your belly button. Still not sure? Stand in front of a mirror, and bend to one side. Your natural waistline is simply where you can see a natural indentation in torso on this side.
Measure Bust: Measure over the fullest part of your bust and all the way around your body. Keep measuring tape parallel with floor.
Measure Torso: Use a soft measuring tape. Place the measuring tape at a point in the middle of your shoulder. Let the tape continue down across the fullest part of your bust (one of the breasts - not through the cleavage). Pass the tape through your legs and take the tape right up your back to the initial starting point (shoulder).

Use your measurements to determine your panty size with our US Swimsuit Plus Size Chart below.

US Swimsuit Plus Size Chart:

All measurements in inches. US size in paranthesis.
Note: All numbers and sized are approximate. Sizing can vary between swimwear brands and manufacturers.
Bust Waist
0/1X (14) 40-42 32.5-34 42-44 65-68
1X (16) 42-44 34-36 44-46 66-69
2X (18) 44-46 36-38 46-48 67-70
2X (20) 46-48 38-40 48-50 68-71
3X (22) 48-50 40-42 50-52 69-72
3X (24) 50-52 42-44 52-54 70-73
4X (26) 52-54 44-46 54-56 71-74
4X (28) 54-56 46-48 56-58 72-76
5X (30) 56-58 48-50 58-60 73-78

If between sizes, most women prefer to round up. But we recommend to round down. Who like saggy swimwear?

Tips, Tricks or Questions?

Tips, tricks or questions about plus size swimsuits or US plus size swimsuit sizing? Please post below. Thanks!

We really hope that you found your size with us!

You are welcome to link to our size charts from your website/webshop. And store owners may also refer to our size charts in their stores. Thanks a bunch!

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