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How To Tell What Size Underwear You Should Wear How To Tell What Size Underwear You Should Wear

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How To Tell What Size Underwear You Should Wear

Written by: Kath Waltz

Discover the foolproof method to determine your underwear size. Our comprehensive guide has everything you need to know for all body types.

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Table of Contents


Welcome to our comprehensive guide on how to determine your underwear size! Finding the perfect fit can sometimes be a challenge, but fear not – we’re here to help you navigate through this process.
Whether you’re shopping in-store or online, understanding your measurements and how to interpret sizing charts can make a world of difference in finding underwear that fits comfortably and flatters your body shape. In this article, we’ll discuss the key factors to consider, how to measure your waist and hips accurately, as well as provide tips for understanding sizing charts and common fit issues.

Choosing the right size underwear is crucial for both comfort and confidence. Ill-fitting underwear can lead to discomfort, irritation, and even affect your posture. Moreover, it can also impact the overall look and feel of your outfits. Therefore, it’s essential to have a clear understanding of your measurements and how they correspond to sizing charts to make informed decisions when purchasing new underwear. This guide will equip you with the knowledge necessary to find the perfect fit, whether you’re buying for daily wear or a special occasion.

By following the steps outlined in this guide, you’ll gain the confidence to navigate through the various sizing options available to you. We’ll address common fit issues and provide solutions to ensure you choose underwear that hugs your body comfortably and accentuates your best features. Additionally, we’ll offer tips for online shopping, as virtual shopping has become increasingly popular.

So, prepare yourself to dive into the fascinating world of underwear sizing and discover the secrets to finding the perfect fit for your body. Let’s get started with understanding the key factors you need to consider when determining your underwear size.


Factors to Consider

When determining your underwear size, it’s important to consider several factors that can affect the fit and comfort. Understanding these factors will help you make informed decisions when selecting underwear. Here are some key points to keep in mind:

  • Body Shape: Different body shapes require different styles of underwear. For example, if you have a pear-shaped body, you may want to choose underwear with more coverage on the hips to balance out your proportions. On the other hand, if you have an hourglass figure, you may prefer underwear with a higher cut to accentuate your curves.
  • Fabric: The type of fabric used in the underwear can affect both the fit and the feel. Some fabrics, like cotton, provide breathability and comfort, while others, like spandex, offer stretch and support. Consider your preferences and any possible allergies or sensitivities when choosing the fabric.
  • Elasticity: The elasticity of the waistband and leg openings is important for ensuring a snug yet comfortable fit. Check for underwear with enough stretch so that it stays in place without digging into your skin or causing discomfort.
  • Activity Level: Consider your daily activities and lifestyle when selecting underwear. If you lead an active lifestyle, you may want to choose underwear with moisture-wicking properties or those specifically designed for sports activities.
  • Personal Comfort: Ultimately, what matters most is your own comfort. Pay attention to how the underwear feels against your skin and if it provides the support you need.

By taking these factors into account, you’ll be better equipped to choose underwear that fits well and suits your individual needs. Now that we’ve discussed the key factors to consider, let’s move on to the next step: measuring your waist accurately.


Measuring Your Waist

Accurate measurements are essential when determining your underwear size. The first step is to measure your waist, as this measurement will provide a baseline for finding the right fit. Here is a simple guide to help you measure your waist correctly:

  1. Start by standing up straight and relaxed, with your feet hip-width apart.
  2. Locate the natural waistline, which is typically the narrowest part of your torso. It is usually located just above your belly button.
  3. Take a soft measuring tape and wrap it around your waistline. Make sure the tape is straight and snug but not too tight. You should be able to slide one finger underneath the tape.
  4. Ensure that the measuring tape is parallel to the floor and that it is not twisted. Take note of the measurement in inches or centimeters.

Once you have your waist measurement, refer to the sizing chart provided by the underwear brand or retailer to determine your corresponding size. Different brands may have slight variations in their sizing, so it’s always best to consult their specific charts for accuracy.

Remember, your waist measurement is just one part of the equation. Keep reading to learn how to measure your hips, as this measurement is also crucial for finding the perfect-fitting underwear.


Finding Your Hip Measurements

In addition to measuring your waist, determining your hip measurements is vital in finding underwear that fits well. Your hip measurement will help ensure that the underwear provides enough coverage and doesn’t feel too tight or loose. Follow these steps to accurately measure your hips:

  1. Stand with your feet together and keep your body relaxed.
  2. Locate the widest part of your hips, which is typically the area where your buttocks protrude the most.
  3. Wrap the measuring tape around this widest part of your hips, ensuring that it is parallel to the floor and not too tight or too loose. Again, remember to slide one finger underneath the tape for a comfortable fit.
  4. Note down the measurement in inches or centimeters.

Once you have your hip measurement, compare it to the sizing chart provided by the underwear brand or retailer. This will give you an idea of which size will best accommodate your hip measurements.

It’s important to note that some underwear styles may have different waist and hip measurements to consider. For example, hipster or boyshort styles may sit lower on the hips and require a larger hip measurement compared to bikini or brief styles. Take these variations into account when selecting the right size for each specific underwear style.

Now that you have accurate waist and hip measurements, it’s time to understand how to interpret sizing charts and choose the perfect size for your underwear. Keep reading to learn more!


Understanding Sizing Charts

When it comes to purchasing underwear, understanding sizing charts is essential. Sizing charts vary between brands and can be quite confusing if you’re not familiar with them. Here are some key points to help you navigate and interpret sizing charts:

  1. Measurements vs. Sizes: Sizing charts typically include both measurements (waist and hip) and corresponding sizes. Find your measurements on the chart and identify the size range that aligns with your measurements. It’s important to note that these measurements are just a guideline and may vary slightly between brands.
  2. Size Ranges: Sizing charts often provide a range of sizes that correspond to a particular measurement. For example, if your waist measurement falls between 28-30 inches, you may be in the small or medium size range, depending on your hip measurement.
  3. In-between Sizes: If your measurements fall between two sizes on the chart, consider factors such as fabric, elasticity, and personal preference. Some individuals may prefer a tighter or looser fit, so it’s important to factor this into your decision.
  4. International Sizing: Keep in mind that sizing can vary between countries. If you’re purchasing from an international brand, check for any conversion charts or guidelines they may provide to ensure you select the correct size based on your location.

Remember, sizing charts are meant to assist you in finding the best fit, but personal preferences also play a significant role. If you’ve worn a particular brand before and know your size, it can be helpful to stick with that size as a starting point when trying a new style or design within the same brand.

Understanding sizing charts lays the foundation for finding the right size, but it’s also crucial to be aware of common fit issues and their corresponding solutions. Let’s explore these in the next section!


Different Sizing Systems

It’s important to note that there are various sizing systems used for underwear across different regions and brands. Understanding these different sizing systems can help you navigate through the wide range of options available. Here are some common sizing systems you may encounter:

  1. Numeric Sizing: This sizing system assigns a numerical value to each size. For example, a size 6 may correspond to a small, while a size 10 may be equivalent to a medium. Numeric sizing is commonly used in North America.
  2. Letter Sizing: Letter sizing, such as XS, S, M, L, XL, etc., is another common system used in many parts of the world. Each letter corresponds to a specific size range. However, it’s important to refer to the brand’s sizing chart for precise measurements.
  3. International Sizing: Brands that cater to a global market may adopt an international sizing system. They typically provide a detailed conversion chart that allows you to find your size based on your measurements for each region.
  4. European Sizing: European sizing is often denoted by numbers, such as 36, 38, 40, etc. It’s important to note that European sizes may differ slightly from their numeric or letter counterparts, so consulting a conversion chart is crucial.

When shopping for underwear from different brands or regions, it’s important to familiarize yourself with their specific sizing system and consult their sizing charts to ensure the best fit. Additionally, customer reviews and feedback can provide valuable insights into how a particular brand’s sizing runs.

Understanding the different sizing systems empowers you to make informed decisions when purchasing underwear. In the next section, we will discuss common fit issues and offer solutions to address them.


Common Fit Issues and Solutions

While finding the right size of underwear is essential, it’s not the only factor that determines a perfect fit. Various fit issues can arise, even when wearing the correct size. Understanding these common fit issues and their solutions will help you choose underwear that offers optimal comfort and support. Here are some common fit issues and possible solutions:

  1. Bunching or Riding Up: Underwear that constantly rides up or bunches can be uncomfortable and affect the overall fit. Consider trying a different style or size with a wider elasticated waistband to prevent this issue.
  2. Gapping: Gapping occurs when the underwear fabric is too loose and creates visible gaps around the leg openings or waist. Opt for a smaller size or select a style with more stretch in those areas for a better fit.
  3. Too Tight: If the underwear feels excessively tight and digs into your skin, it’s essential to consider a larger size or choose a style with more stretch or adjustable features.
  4. Rolling Waistband: Some waistbands have a tendency to roll down during wear, causing discomfort. Look for underwear with a wide, sturdy waistband or styles designed with a silicone grip to prevent rolling.
  5. Visible Panty Lines: Visible panty lines can detract from a smooth silhouette. Consider choosing seamless or low-rise underwear styles for a more discreet look under clothing.
  6. Lack of Support: If you’re seeking underwear with more support, look for styles with reinforced panels, built-in compression, or those specifically designed for high-impact activities.

It’s important to remember that everyone’s body is unique, and what works for one person may not work for another. Experimenting with different styles, fabrics, and sizes is important to find what suits your body shape and personal preferences best.

Now that we’ve addressed common fit issues, let’s move on to provide some tips specifically tailored for online shopping.


Tips for Online Shopping

Shopping for underwear online offers convenience and a wide range of options, but it can be tricky when it comes to finding the right fit. Here are some helpful tips to ensure a successful online shopping experience for underwear:

  1. Know Your Measurements: Before making any purchases, measure your waist and hips accurately, as discussed earlier. Refer to the brand’s sizing chart and compare your measurements to find the best size.
  2. Read Reviews: Customer reviews can provide invaluable insights into the fit, comfort, and quality of the underwear. Take the time to read reviews to get a better understanding of how a specific style or brand fits.
  3. Look for Size Guides: Some online retailers provide size guides specific to their brand. Consult these guides as they may offer additional information or specific instructions on finding the right size.
  4. Check Return Policies: Understand the return and exchange policies of the online store before making a purchase. This will give you peace of mind in case the underwear doesn’t fit as expected or if you need to make a size adjustment.
  5. Consider Feedback on Size Accuracy: Pay attention to any comments or feedback from other customers about the accuracy of the sizing chart. This can help you determine if you need to size up or down from your usual size.
  6. Try Different Styles: Online shopping is a great opportunity to explore different styles and designs that may not be readily available in local stores. Take advantage of the variety and try out new styles that complement your body shape and personal style.

By following these tips, you can have a more successful online shopping experience for underwear. Always remember that every brand and style may have slight variations in sizing, so it’s crucial to refer to specific size charts and gather as much information as possible.

Now that you’re armed with knowledge about finding the perfect underwear size and tips for online shopping, you’re ready to embark on your journey to find comfortable and flattering underwear. Happy shopping!



Finding the right size underwear is not just about comfort—it’s about feeling confident and supported in your everyday life. By considering factors such as body shape, fabric, elasticity, and activity level, you can make informed decisions when selecting underwear styles that suit your needs.

Accurate measurements of your waist and hips are crucial in determining your underwear size. By following the steps to measure your waist and hips correctly, you can confidently refer to sizing charts provided by brands or retailers to find your perfect fit.

Understanding different sizing systems, such as numeric, letter, international, and European, will help you navigate through a wide range of options available in the market. Embracing your unique body shape and considering common fit issues, such as bunching, gapping, and rolling waistbands, will guide you towards choosing underwear that you feel comfortable and supported in.

When shopping online for underwear, knowing your measurements, reading customer reviews, and checking return policies are essential. Take advantage of size guides and consider feedback on size accuracy to ensure a successful online shopping experience.

Remember, finding the perfect underwear is a personal journey that requires patience and experimentation. Everyone’s body is unique, and what works for one person may not work for another. Embrace your individuality and explore different styles to find what makes you feel confident and comfortable.

We hope this comprehensive guide has provided you with the knowledge and tools to determine your underwear size and make informed choices when shopping. Now, armed with this information, go forth and find the perfect-fitting underwear that will make you look and feel fabulous!

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