A rough guide for a smooth fit

Every woman’s breast volume and shape is as unique as their finger print.  Tape measurement (rib cage and over bust) is one-dimensional, it does not take into consideration breast width, height, shape, size, volume, droop, direction and position. Using a tape measure will point you in the right direction but it will not give you your exact bra size. Use it as a guide to get started but try on several sizes until you find the perfect fit using our good fit and bad fit pages.

Tape Measuring Step By Step

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1. Measuring your Rib Cage
	You can do this on your own but asking a friend to help is easier, especially if you have a bump! With your arms naturally by your side, breathe normally and measure around your rib cage, under your breasts making sure that the tape is horizontal all the way round.  Write this down in inches.

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2. Calculate your Chest Band Size If your Rib Cage measurement is:  EVEN add 4 inches  ODD add 5 inches  This gives you your chest band size.

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3. Chest Band Size Table

Use the table to help you find your Chest Band:
 

Rib Cage  Measurement	Chest Band Size	Rib Cage Measurement	Chest Band Size
27"-28"	32	35"-36"	40
29"-30"	34	37"-38"	42
31"-32"	36	39"-40"	44
33"-34"	38	41"-42"	46

 

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4. Measuring your Full Bust
	Measure around the fullest part of your breasts, making sure the tape is level across your back.  Write this down in inches

 

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5. Calculating your Cup Size

Subtract your Chest Band Size from your Full Bust Size.

The difference between your chest band and full bust size is equivalent to one of the sizes shown in the table below.

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6. Cup Size table

Up to 1"	B
2"	C
3"	D
4"	E
5"	F
6"	G

 

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7. Try on for size

If possible, try on three or four differet sizes to ensure you find the best fit. Look at our adjust & fit guide to see how to adjust and fit the bra correctly. 

Once you have tried the bra on, see our good fit and bad fit guide to check if it fits well.

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Quick Links

Adjust & fit	Good Fit	Bad Fit	How to Use	Our bras