Entertainment Fashion & Style A Guide to Kids' Swimsuit Sizes How to Find the Right Size Swimwear for Your Kids Share PINTEREST Email Print Stockbyte / Digital Vision / Getty Images Fashion & Style Lingerie & Swimwear Accessories Tops & Sweaters Dresses Skirts Jeans Pants Outerwear Do It Yourself Shoes Skincare Advice Makeup Hair Fragrance Tattoos and Body Piercings Kids and Teens Bumps & Babies Learn More By Kori Ellis Updated July 14, 2017 When shopping for swimsuits for your children, it's important to get the right fit. Armed with a tape measure and a little research, you can find the perfect swimsuit for your kids -- no matter their size. Keep these tips and suggestions in mind when shopping for kids' swimsuits. The Right Fit When trying on swimwear, have your child reach high above his/her head, twist to the side, bend over and sit down. Look at the swimsuit from all angles. It shouldn't ride up, slip down or bind, no matter what position your child is in. Buy One Size Up Sizes by Height 2T - 33-35"3T - 35-37"4T - 38-40"5 - 42"6 - 45"7 - 49"8 - 52"10 - 55"12 - 58"14 - 60" Online Size Charts Swimsuits for Boys Your Child's Proportions Adjustable Straps for Girls Kids grow like weeds. If your child needs a new swimsuit this season, keep these tips in mind to help find the perfect fit.