How to Measure Your Bra Size at Home: A Simple Guide for Indian Women
Most women in India are wearing the wrong bra size — and often without realising it. A band that rides up, straps that dig in, or cups that gape are not “just how bras feel”. They are signs of a poor fit. The good news: you can measure yourself accurately at home in about five minutes, with nothing more than a measuring tape and a mirror.
What you need before you start
- A soft measuring tape (the fabric kind used for tailoring)
- A well-fitting non-padded bra — not a padded or push-up style, which changes your shape
- A mirror, so you can check the tape stays level
Measure over a thin bra rather than over clothing or bare skin. This gives the most realistic result for the bras you will actually buy.
Step 1: Measure your band size
Wrap the tape around your ribcage, directly under your bust. Keep it snug and completely level all the way around — check the back in the mirror, as the tape tends to slide down.
Round the number to the nearest even number. If you measure 33 inches, your band size is 34. This band is the part that does most of the supporting work, so it should feel firm, not loose.
Step 2: Measure your bust
Now measure around the fullest part of your bust, usually across the nipple line. Keep the tape level and relaxed — do not pull it tight, or you will flatten the tissue and end up with a cup that is too small.
Step 3: Work out your cup size
Subtract your band measurement from your bust measurement. The difference in inches gives your cup:
- 1 inch = A cup
- 2 inches = B cup
- 3 inches = C cup
- 4 inches = D cup
- 5 inches = DD / E cup
For example: a 34-inch band and a 37-inch bust is a 3-inch difference, which makes you a 34C.
Five signs your bra does not fit
Numbers are a starting point, but your body tells you more. Look for these:
- The band rides up your back. The band should sit horizontally. If it climbs, it is too loose — go down a band size.
- Straps dig into your shoulders. Straps should carry only about 10% of the support. Deep grooves usually mean the band is too loose and your shoulders are compensating.
- Cups gape or wrinkle. The cup is too big, or the style is wrong for your shape.
- Spillage over the top or sides. The cup is too small — go up a cup, not a band.
- You constantly readjust. A correct bra should be something you forget you are wearing.
Choosing the right style once you know your size
Size is only half the answer. The right style matters just as much:
- Non-padded bras — breathable, natural shape, ideal for daily wear in Indian heat.
- Full coverage bras — more support and no spillage, great under kurtas and everyday tops.
- Seamless bras — invisible edges under fitted or thin fabrics.
- Sports bras — compression and support for workouts and long days.
- Starter bras — soft, gentle first bras for teens.
Sister sizes: a useful trick
If your size feels almost right, try a sister size. Going down a band means going up a cup, and vice versa. A 34C and a 36B hold a similar cup volume but fit the ribcage differently. This is handy when a style runs slightly small or large.
Remeasure more often than you think
Your size is not fixed. Weight changes, pregnancy, and simply the natural stretching of elastic all change your fit. Measure yourself every six to twelve months, and any time a bra starts feeling different. A bra that has lost its stretch will never fit correctly again, no matter the size on the label.
Make your bras last
Once you have found your size, protect the investment. Hand wash in cool water, never wring the cups, and dry in shade rather than direct sunlight. Rotate between at least three bras so the elastic gets time to recover between wears.
Frequently asked questions
Should I measure over a bra or on bare skin?
Measure over a thin, non-padded bra. Measuring on bare skin often gives a smaller bust measurement, which leads to buying a cup that is too small. Measuring over a padded bra does the opposite.
What if I fall between two sizes?
Go with the firmer band and adjust the cup. The band provides the support, so a snug band with the correct cup will always feel better than a loose band with a larger cup.
Why does my size change between brands?
There is no single global standard for bra sizing, and cup shapes differ between styles. Treat your measured size as a reliable starting point, then expect to adjust by a sister size depending on the cut.
How many bras should I own?
At least three to four in regular rotation. This lets the elastic recover between wears and spreads out the wear, so each bra lasts considerably longer.
How tight should the band be?
You should be able to slide two fingers under the band, but no more. Buy so that it fits on the loosest hook — as the elastic relaxes over months, you move to the tighter hooks and extend its useful life.
Ready to find your fit?
Knowing your size turns bra shopping from guesswork into something simple. Browse the full So Glamy bra collection — designed with soft, skin-friendly cotton and everyday comfort in mind. And if you are refreshing your basics, our combo offers are an easy way to stock up.
