To measure the around Bust/Chest Measurement, you need to put the measuring tape 1 inch below the armpit of one to the other as shown in the reference image below.
How to Measure Your Body for Men's Jacket
Men's Size Chart - How to Measure
Womens Shoe Size Conversion - Shoe Size Chart
How to become a Professional Knitter - Robin Hunter Designs: Designer Secrets - The Chest vs. the Bust measurement
Size Chart
Size Guide - Female - M&H Uniforms
How To Measure Your Size For Clothing – The Sewing Revival
Size Guide - Nina P'itay
How to Measure Yourself Accurately for the Perfect Fit
Kohl's SO Girls' Size Chart
CLOTHE - SIZE GUIDE — CLOTHE
Measurement Guide — Pacharee
How To Measure Yourself?-Takerlama