Nursing Bra Size Calculator

Nursing Bra Size Calculator

Nursing Bra Size Calculator

However, I can provide you with a sample table that includes common nursing bra sizes based on industry standards:

Size (US)Band SizeCup Size
32B32B
34B34B
36B36B
38B38B
40B40B
32C32C
34C34C
36C36C
38C38C
40C40C
32D32D
34D34D
36D36D
38D38D
40D40D
32DD32DD/E
34DD34DD/E
36DD36DD/E
38DD38DD/E
40DD40DD/E

Please note that this is just a sample table of common sizes and may not cover all possible variations. It’s always recommended to consult a professional fitting expert or use a reliable online nursing bra size calculator for accurate measurements and sizing.

What size bra should I get when nursing?

When nursing, it’s essential to find a bra that fits well and provides comfort and support. To determine the right size, get measured by a professional or use an online calculator. Consider changes in breast size and look for nursing bras with features like easy access for nursing. Comfort should be a priority in selecting your nursing bra size.


Finding the right size bra while nursing is essential for comfort and support. Here are some general guidelines to help you determine your nursing bra size:

  1. Get measured: It’s advisable to get professionally measured by a fitting expert or use a reliable online bra size calculator specifically designed for nursing bras. This will provide you with a starting point for your size.
  2. Consider changes in breast size: During pregnancy and breastfeeding, your breast size can change significantly. Make sure to measure your breasts at their fullest point, and consider that your bra size may fluctuate throughout your nursing journey.
  3. Look for nursing-specific features: Nursing bras typically have features like drop-down cups, nursing clips, and stretchy fabrics to accommodate breastfeeding. Look for bras with easy access for nursing and adjustable features to accommodate size changes.
  4. Comfort is key: Opt for a nursing bra that provides proper support without being too tight or restrictive. Look for wide shoulder straps, a supportive band, and soft, breathable materials to ensure comfort throughout the day.

Remember that every individual is different, and it’s crucial to find a bra that fits well and meets your specific needs. If possible, it’s recommended to try on different styles and sizes to find the most comfortable and supportive option for you.

How do you measure yourself for a nursing bra?

To measure yourself for a nursing bra, wrap a soft measuring tape snugly around your ribcage just below your breasts to determine the band size. Measure the fullest part of your breasts, making sure the tape is not too tight or too loose. Subtract the band measurement from the cup measurement to calculate your cup size.

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Measuring yourself for a nursing bra is a straightforward process. Here’s a step-by-step guide on how to measure yourself accurately:

  1. Band Size Measurement: Start by measuring your underbust or band size. Follow these steps:
    • Take a soft measuring tape and wrap it snugly around your ribcage, just below your breasts.
    • Ensure that the tape is parallel to the ground and level across your back.
    • Take note of the measurement in inches or centimeters. Round up to the nearest whole number.
    • This measurement will determine your band size.
  2. Cup Size Measurement: To measure your cup size, you’ll need to measure the fullest part of your breasts. Here’s how:
    • Position the measuring tape around your chest at nipple level.
    • Make sure the tape is not too tight or too loose, resting comfortably against your breasts.
    • Take note of the measurement in inches or centimeters.
  3. Calculating Cup Size: To calculate your cup size, subtract your band measurement from your cup measurement. Use the difference to find your cup size based on the following guidelines:
    • 0-½ inch (0-1.3 cm) difference: AA cup
    • ½-1 inch (1.3-2.5 cm) difference: A cup
    • 1-2 inches (2.5-5.1 cm) difference: B cup
    • 2-3 inches (5.1-7.6 cm) difference: C cup
    • 3-4 inches (7.6-10.2 cm) difference: D cup
    • 4-5 inches (10.2-12.7 cm) difference: DD or E cup
    • 5-6 inches (12.7-15.2 cm) difference: DDD or F cup
    • 6-7 inches (15.2-17.8 cm) difference: G cup
    • The pattern continues with increasing cup letters for each additional inch of difference.

Remember that these measurements provide a starting point, but individual body shapes and preferences may vary. It’s always a good idea to try on different nursing bras and consult with a fitting expert for further guidance.

Should you go up a size in nursing bra?


In general, it is common for women to go up a size or two in nursing bras compared to their pre-pregnancy or early pregnancy bra size. This is because the breasts tend to increase in size and become fuller during pregnancy and breastfeeding. However, it’s important to note that every woman’s body is unique, and individual changes in breast size can vary.

It is recommended to get professionally measured or use a reliable online nursing bra size calculator to determine the most accurate size for you during this period. The fitting expert or calculator will take into account factors such as band size, cup size, and potential changes in breast size to guide you towards the right size for optimal comfort and support.

Should nursing bras be tight or loose?


Nursing bras should not be overly tight or loose but should provide a snug and supportive fit. Here are some considerations regarding the fit of nursing bras:

  1. Band: The band of the nursing bra should fit firmly around your ribcage, providing support without feeling excessively tight or causing discomfort. It should sit parallel to the ground and remain in place without riding up.
  2. Cups: The cups should fully encompass your breasts without causing spillage or gaps. They should provide enough room for your breasts to expand during nursing, but not be overly loose. Ensure that the cups offer proper coverage and support.
  3. Straps: The shoulder straps should be adjusted so that they are secure but not digging into your shoulders. They should help support the weight of your breasts without causing discomfort or leaving indentations on your skin.
  4. Comfort: Comfort is key when it comes to nursing bras. They should feel comfortable to wear throughout the day and provide gentle support without causing pain, pinching, or irritation.
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It’s important to keep in mind that breast size and comfort preferences can vary among individuals, so finding the right fit may require some trial and error. If possible, try on different styles and sizes to find the nursing bra that offers the best balance of comfort and support for you.

Why do my breast fall out of my bra when I bend over?


If your breasts fall out of your bra when you bend over, it could be an indication of an ill-fitting bra. Here are a few possible reasons why this may occur:

  1. Incorrect cup size: If the cups of your bra are too small, they may not provide enough coverage or support for your breasts, causing them to spill out when you bend over. Consider getting professionally measured or using a reliable online bra size calculator to ensure you are wearing the correct cup size.
  2. Loose band: A loose band can contribute to inadequate support. The band should fit snugly around your ribcage, providing the majority of the support for your breasts. If the band is too loose, it may not hold your breasts in place when you lean forward.
  3. Worn-out bra: Over time, bras can lose their shape and elasticity, which can affect their ability to provide proper support. If your bra is old or worn out, it may not be able to keep your breasts in place effectively.
  4. Lack of adjustable features: Some bras offer adjustable features such as straps and closures that can be tightened to provide a more secure fit. If your bra lacks these adjustable features or they are not properly adjusted, it can result in your breasts falling out when you bend over.

If you’re experiencing this issue, it’s recommended to reassess your bra size and fit. Consider getting professionally fitted or trying different bra styles and sizes to find the one that offers better support and keeps your breasts in place when you move.

Should you wear bra to bed when breastfeeding?

Whether or not to wear a bra to bed while breastfeeding is a personal choice. Some women prefer the support and leakage protection provided by wearing a bra with nursing pads, while others find it more comfortable to sleep braless. It’s important to prioritize your comfort and choose what feels best for you.

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Whether or not to wear a bra to bed while breastfeeding is a personal preference. Here are some factors to consider when deciding:

  1. Comfort: Some women find it more comfortable to wear a bra while sleeping, as it provides gentle support and helps keep breast pads in place. Others prefer to go braless to allow their breasts to have more freedom and reduce any potential discomfort.
  2. Leakage: If you experience breast milk leakage during the night, wearing a bra with nursing pads can help absorb the leakage and prevent it from seeping onto your sleepwear or sheets.
  3. Breast support: During breastfeeding, your breasts may feel fuller and more sensitive. Wearing a soft and supportive sleep bra can provide gentle support and alleviate any discomfort or breast engorgement.
  4. Ease of breastfeeding: If you prefer to breastfeed during the night without the hassle of removing a bra, you may choose to sleep without one. This can allow for easier access when nursing your baby.

It’s important to note that wearing a tight or constricting bra to bed is generally not recommended as it may restrict blood flow and cause discomfort. Instead, opt for a comfortable and breathable sleep bra specifically designed for nursing mothers.

Ultimately, the decision of whether or not to wear a bra to bed while breastfeeding is a personal choice based on your comfort and needs. Consider experimenting with different options to find what works best for you.

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