Annuity Payment Calculator

Calculate monthly loan payment, total paid, and interest.

Annuity Payment Calculator helps you Calculate monthly loan payment, total paid, and interest. Use it to solve technical problems quickly when you need accurate intermediate values and final outputs for class, lab, or engineering work. The form is specific to this tool and captures inputs like Principal, Annual rate (%), and Term (years), so required data is explicit before you run it. After running, review sections like Loan Inputs and Result to interpret results and verify they fit your real-world constraints. Save the exact inputs together with the result so teammates can reproduce and audit the output later.