I'm 20 now and I still don't know what my bra size is. I buy them from shops then hope they fit based on prediction. But some are too tight, some loose, some have long strap some have short strap. I don't wanna go and get it measured by specialists as I don't want them seeing my boobs, i feel embarrassed. I never show anyone them, only my future husband will see them. How do I measure them?
I don't recommend going to a store fitter since. Many still use the outdated method of adding inches to the underbust so the experience can be very hit or miss. It's easy to measure yourself to find a good starting size to try. Finding your right bra size can take a little time since it involves trying on lots of bras in your size that are different shapes. Knowing your shape is just as important as knowing your optimal size. For example, a narrow, projected, full on bottom bra is not going to work for you, even in the right size, if you have a wide, shallow and full on top shape.
http://brasizecalculator.tk/ This sizing calculator is the most accurate one out there. It uses modern sizing, the same way all modern bras are made, so you may be surprised at you size since most people are used to the 1950s sizing (32-38 A-D). In modern sizing "D cup" is not a set volume, it changes with your band size. 28D is for a very small busted person, contrary to the misconception of "D cups are HUGE". Take a look: www.brabandproject.com/.../search
Wear a thin bra or no bra. Measure your band (in inches) right below your breasts, then measure your bust (nipple level) and calculate the difference. 1 inch = A 2 = B so on and so forth. Check a chart to make sure. That is what your rough bra size is. It doesn't take into accont the width or fullness of the breast so you will have to try some on. Finally a question. If only your husband will see them, what happens of you get divorced or have to go to the doctor?