Are you one of the ladies who is always looking for a perfectly fitting bra, yet always gets confused looking at the lingerie size guide, and bra size calculators are too much for me? This article is undoubtedly for you. Let's simplify how to measure bra size at home. But before you dig into lingerie size guides and get puzzled, let's understand bra sizes.
Bra Size Explained: Cup Size vs. Band Size
Bra sizes come with two essential components: band size, represented by a number, and cup size, represented by a letter. The band size refers to the measurement around your ribcage, just under your bust; the cup size is based on the difference between your fullest bust point and the band measurement, defining how much room you need for the breasts to fit.
How to Measure Bra Size at Home
Finding the right bra size is not a difficult task, and you don't even need any fancy tools. Just get a measuring tape and a notebook, and we can make a bra size calculator at home with ease.
Step 1: Measure Your Band Size
Place the tape around your ribcage just beneath your bust. The tape should not be too tight or too loose. Measure the number on the tape and add 4 if it's an even number and 5 if it's an odd number. That's your band size.
Step 2: Measure Your Cup Size
Place the tape around the fullest part of the bust and note the measurement. Subtract this measurement from the band size to find your cup size. 1 inch difference means A, 2 inch is B, 3 inch is C, 4 inch is D, 5 inch is E and so on.
Understand Bra Size with an Example:
If a band size comes as 34 and the overbust measurement is 37, the difference is 3 inches (37-34), meaning your bra size is 34C. According to the majority of lingerie size guides, this is the easiest bra size calculator.
If you still find this difficult, take all the measurements in centimetres. Match these measurements with our bra size guide below.

How Should a Right Bra Fit?
That feeling of confidence, comfort, and a little extra spark starts with the right fit. For that, you should know how should a bra fit. A correctly fitted bra is supportive, flattering, and comfortable.
- Band: Should be level and snug all around, not riding up your back.
- Cups: No gaping, wrinkling, or spillage. Your breasts should fill the cups perfectly.
- Underwire: Should sit flat against your chest and should not dig into skin.
- Straps: The straps provide most of the support; they should not dig or slip.
Lingerie Size Guide for Sports Bra:
Sports bras come in sizes such as S, M, L, XL and so on. A good sports bra should minimise the bounce and fit snugly. That is why you should always follow the lingerie size guide to find the right fit.
If you have taken the measurements for a regular bra, then finding a sports bra is even simpler. Take the same measurements, measured in centimetres, and simply match them with our Sports Bra Size Guide below.

What Is My Bra Size? When to Re-Measure
Every woman goes through several body transformations throughout their lifetime. With every transformation, bra size also changes. Weight changes, pregnancy, hormonal shifts, or even new fitness routines can make you re-measure and follow a lingerie size guide for new bra size. That's why it becomes important to measure your bra size regularly. If you haven't undergone any body transformations, it's advisable to measure your bra size every 12 months to maintain a comfy fit. And use this bra size calculator to find your right bra size.
Dazzle has a wide range of comfy bras, from everyday T shirt bras to stylish fashion bras. But whether you're slipping into your most comfy T shirt or fancy party dress, comfort starts with the right fit. So, use this lingerie size guide to find the right fit easily at home, because a little extra comfort is something every woman deserves.
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