In the standardized calculations used in the United States, c is given by the formula<span>: For example, for a home loan of $200,000 with a fixed yearly interest rate of 6.5% for 30 years, the principal is , the </span>monthly<span> interest rate is , the number of </span>monthly payments<span> is , the fixed </span>monthly payment<span> equals $1,264.14.</span>
