International bra size calculator help


Settings Remark
Bust girth Maximum horizontal girth measured during normal breathing with the subject standing erect and the tape-measure passed horizontally, under the armpits, and across the bust prominence (preferably measured with moderate tension over a brassiere that shall not deform the breast in an unnatural way and shall not displace its volume).

Bust and underbust girth

Other terms used instead of bust girth are:
  • bust line measure
  • over-bust measure
  • topbust size