How To Choose the Right Size Thong Bikini Bottom

Thong Bikini Sizing Overview

How to choose the correct thong bikini bottom size

When it comes to thong bikini sizing. Many women it troublesome to find the right thong bikini bottom size but it is really not that difficult if you understand a few simple facts about sizing charts.

Sizing Chart Facts

The most important fact that a woman needs to know is that 99% of North American women’s sizing charts are based on one key metric that all other sizes are based on. That one key metric is that a size Medium “M” is based on a 5 foot, 5 inch frame or body height. This is a critical consideration when shopping for thong bikinis or any bikini for that matter. Here is why, if you are taller for example 5’ 8” tall or have a longer torso, you should consider ordering up a size to achieve a perfect fit. 

Measuring For a Thong Bikini Bottom

If you feel you need to take some measurements to choose the correct thong bikini bottom size, there are two key measurements that are needed, the waist and the hip regions.


Take the measurement at the smallest area of your waist line usually between the navel and above the hips. Make sure the measuring tape stay parallel to the floor and is snug.


Measure the widest part of the hip region including the buttocks. If you are between one of the sizes on the cart below, move up one size.

Thong Bikini Sizing Chart

Thong Bikini SizeXS/PSMLLL1X2X3X
Thong Bikini Sizing Chart

How To Size A G-string Thong Bikini

Now we have addressed the rules for sizing your thong bikini bottom. The g-string bikini is a little different and much simpler. If you are typically wear a pant that is between size “0” and “4” than you would wear a size “Petite” G-string bikini bottom, if you are typically a size 6-12 than you would wear a “Regular” size G-string bikini bottom, if you are size 14+ than you would wear a “Plus” size G-string bikini bottom.

G-string Bikini Bottom Sizing Chart 

G-String Bikini Size SizePetite “P”Regular “R”Plus
Pant Size0-46-1214+
G-String Bikini Bottom Sizing Chart

Bikini Top Sizing Chart

Bikini Top Sizing Chart

Thong Bikini Top Sizing Simplified

Bikini Top                Size Bra Size
“S”                      32A,  32B, 32C, 32D, 34A, 34B
“M”                    32DD, 32DDD, 34C, 34D, 36A, 36B 
“L”                      32E, 34DD, 34DDD, 34E, 36C, 36D, 36DD, 38A
“LL”                    36DDD, 36E, 38D, 38DD, 38DDD, 40B, 40C, 40D, 38E
“1X”                   40DD, 40DDD, 42C, 42D, 44A, 44B, 44E, 42DD
“2X”                   42DDD, 42E, 44C, 44D, 44DD, 46A, 46B, 46C, 48A
“3”                     42DD, 44DDD, 44DD, 46D, 46DDD, 48D, 48C, 50A
Simplified Thong Bikini Top Chart

Measuring for a thong bikini

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