At Agotee.com, we understand the frustration that comes with purchasing clothing online, especially when it comes to sizing. One common challenge faced by customers is converting US t-shirt sizes to UK sizes. To ensure that you find the perfect fit, we have put together this comprehensive guide on how to convert US t-shirt sizes to UK sizes in just three easy steps. With this information at your fingertips, you’ll be able to confidently make online purchases and avoid any sizing mishaps.
1. US and UK T-Shirt Size Chart
Before we learn how to convert US T-shirt sizes to UK sizes, let’s explore the T-shirt size charts for both countries. This will allow us to accurately compare the measurements of different parts of the shirts.
1.1. US T-Shirt Size Chart
Below is a reference chart for men’s US T-shirt sizes that you can consult:
SIZE | WIDTH (CM) | LENGTH (CM) |
XXS | 38 | 67 |
XS | 42 | 70 |
S | 46 | 72 |
M | 51 | 75 |
L | 56 | 77 |
XL | 61 | 80 |
XXL | 66 | 82 |
3XL | 71 | 85 |
1.2. UK T-Shirt Size Chart
Below is a reference chart for men’s UK T-shirt sizes that you can consult:
SIZE | WIDTH (CM) | LENGTH (CM) |
XXS | 43.5 | 64 |
XS | 46 | 66 |
S | 49 | 69 |
M | 52 | 72 |
L | 55 | 73 |
XL | 58 | 76 |
XXL | 61 | 78 |
3XL | 64 | 80 |
Based on the provided US and UK T-shirt size charts, you can easily notice the differences in T-shirt sizes between the two countries. From there, you can adjust the sizes accordingly to best fit your body.
2. How to Convert US T-Shirt Size to UK in 3 Easy Steps?
Converting US T-shirt sizes to UK sizes can be done in a few simple steps. Here’s a straightforward method to help you with the conversion:
2.1. Step 1: Understanding the Differences Between US and UK T-Shirt Sizes
Before diving into the conversion process, it’s important to understand the key differences between US and UK t-shirt sizes. While both systems use measurements such as chest circumference, waist circumference, and shirt length, they vary in their numerical values. US sizes typically use numbers, such as Small (S), Medium (M), Large (L), and Extra Large (XL), while UK sizes use letters, such as 34, 36, 38, and 40.
Furthermore, it’s essential to note that US sizes generally run larger than UK sizes. This means that if you typically wear a US Medium, you may need to opt for a UK Large to achieve a similar fit. Understanding these distinctions will be crucial as we move forward with the conversion process.

2.2. Step 2: Converting US T-Shirt Sizes to UK Sizes
Now that you’re familiar with the differences between US and UK t-shirt sizes, let’s delve into the conversion process. To convert your US t-shirt size to its UK equivalent, follow these simple steps:
Take Accurate Measurements: Begin by measuring your chest circumference and waist circumference using a flexible measuring tape. Ensure that the tape is snug but not too tight around your body. Note down these measurements in inches.
Consult the Conversion Chart: Next, refer to a reliable US to UK t-shirt size conversion chart. These charts can be found online or provided by clothing retailers. Locate your chest and waist measurements on the chart and identify the corresponding UK size.
Consider Individual Brands and Fit: Keep in mind that sizing can vary slightly between different clothing brands. It’s always a good idea to review the specific brand’s sizing information or consult customer reviews to determine if a particular brand runs large or small.
By following these three steps, you’ll be able to confidently convert your US t-shirt size to its UK counterpart and make more informed purchasing decisions.

2.3. Step 3: Helpful Tips for Finding the Perfect Fit
While the conversion process provides a general guideline for determining your UK t-shirt size, it’s important to consider additional factors that can affect the fit. Here are a few tips to ensure you find the perfect fit when shopping for t-shirts:
+ Check Sizing Guides: Most reputable online retailers provide detailed sizing guides for their products. These guides often include specific measurements for chest, waist, and length, allowing you to choose the size that best matches your body measurements.
+ Read Customer Reviews: Take advantage of customer reviews to gather insights into the fit of a particular t-shirt. Pay attention to comments related to sizing, as this will give you a better idea of how the garment fits in real-life situations.
+ Contact Customer Support: If you’re unsure about sizing or have any questions, don’t hesitate to reach out to the retailer’s customer support team. They are usually well-versed in their product offerings and can provide guidance to help you find the right size.
+ Consider Returns and Exchanges: Lastly, familiarize yourself with the retailer’s return and exchange policies. Even with careful measurements and research, there may still be instances where the fit is not as expected. Ensuring that you can easily return or exchange the item will give you peace of mind when making online purchases.
By following these additional tips, you’ll be equipped with the knowledge and resources necessary to find the perfect fitting t-shirt, regardless of whether you’re converting US sizes to UK sizes or vice versa.

3. Conclusion
Navigating the world of online clothing shopping doesn’t have to be a daunting task, especially when it comes to sizing. By understanding the differences between US and UK t-shirt sizes and following our simple three-step conversion process, you’ll be able to convert your US t-shirt size to its UK equivalent with ease. Remember to consult reliable conversion charts, consider individual brands and fit, and utilize helpful tips to find the perfect fit for your body.
At Agotee.com, we strive to provide valuable information to our customers, enabling them to make confident purchasing decisions. We hope that this guide has empowered you to convert US T-shirt sizes to UK sizes effortlessly. Now go ahead and shop with confidence, knowing that you’re equipped with the knowledge to find the perfect t-shirt that fits you like a glove.