To find a mortgage calculator on First Horizon's website, you should start by visiting their homepage at firsthorizon.com. Once you are there, you will typically want to look for a section related to home loans or mortgage services. This is often found in the main navigation menu. Within that section, there should be resources or tools available, and a mortgage calculator is likely to be included among them. The mortgage calculator allows you to estimate monthly payments based on various factors, such as loan amount, interest rate, and loan term. If you do not see it immediately, consider using the search function on the website, which can help you locate the calculator quickly. If you encounter any difficulties, you may refer to the website's customer support area for additional guidance.