Sexy bra set women with steel ring eyelashes underwear girls bralette big breasts show small retro lingerie with briefs suit Find your fit Give you best answer HOW TO MEASURE Step1:Measure your upper bust Step2:Measure your under bust SIZE CHART (EU/UK SIZE) 1 inch = 2.54 cm Difference Cup=A-B A cup B cup C cup D cup E cup 7.5-10CM 10-12.5CM 12.5-15CM 15-17.5CM 17.5-20CM 2.8-3.9inch 3.8-4.9inch 4.8-5.9inch 5.9-6.9inch 6.9-7.9inch CUP/SIZE A Upper bust(cm) BUnder bust(cm) Waist(cm) Hip(cm) 70A 32A 75-80CM 29.5-31.5(inch) 65-70CM 25.6-27.6(inch) 60-70CM 23.6-27.6(inch) 75-85CM 29.5-33.5(inch) 70B 32B 77-82CM 30.3-32.3(inch) 75A 34A 80-85CM 31.5-33.5(inch) 70-75CM 27.6-29.5(inch) 65-75CM 25.6-29.5(inch) 80-90CM 31.5-35.4(inch) 75B 34B 82-87CM 32.3-34.3(inch) 75C 34C 85-90CM 31.5-35.4(inch) 80A 36A 85-90CM 31.5-35.4(inch) 75-80CM 29.5-31.5(inch) 70-80CM 27.6-31.5(inch) 85-95CM 33.5-37.4(inch) 80B 36B 87-92CM 34.3-36.3(inch) 80C 36C 90-95CM 35.4-37.4(inch) 85B 38B 92-97CM 36.3-38.2(inch) 80-85CM 31.5-33.5(inch) 75-85CM 29.5-33.5(inch) 90-100CM 35.4-39.4(inch) 85C 38C 95-100CM 37.4-39.4(inch) Example upper bust:85cm , under bust:73cm , cup size:upper-under(85cm-73cm=12cm) , 12cm is B cup,under bust(73cm) is 75 size. answer:your bra size is 75/34B