A suit size calculator is an online tool that helps you determine the correct size of suit to buy. It typically asks for your height, weight, and chest size, and then uses this information to calculate the best size for you. Some suit size calculators also allow you to input your inseam and sleeve length, for a more precise fit.
Suit size calculators can be a helpful tool for anyone who is shopping for a suit, as they can help you avoid buying a suit that is too big or too small. They can also be helpful for people who are buying a suit online, as they can help you determine the correct size to order without having to try on the suit in person.