Use the chart below as a guide to determine the right size for you. Please note that these measurements are approximate and may vary slightly depending on the brand and style of the t-shirt. It's always a good idea to refer to the specific product's size guide for the most accurate information. Determine your correct T-shirt Size. Women's, Men's and Kids' T-shirt Size Charts. Find out how to get the perfect fit with T-shirts using this comprehensive guide with images and tables. Learn how to measure your chest, waist, length, and sleeve length for different types of T-shirts and styles. This article includes a men’s t-shirt size chart to help you identify the size you need, regardless of the style and sizing you aim to achieve with your t-shirt.