The real interest rate calculator is used to help you calculate the real annualized interest rate and uncover the true face of "cheap interest rates".Equal principal, equal principal and interest, monthly interest payment, end-of-period repayment, custom first-month repayment amount, etc., can help you calculate the real annualized interest rate. At the same time, there are various calculation tools such as housing loan calculation, provident fund loan calculation, combined loan, and various interest rate market information views.