About Mortgage Calculator
Calculate monthly mortgage payments, total interest, and preview your amortization schedule — all in your browser.
How to use Mortgage Calculator
- 1Enter the mortgage loan amount.
- 2Set the annual interest rate.
- 3Choose the mortgage duration in years.
- 4View your monthly payment, total interest, and total cost of the loan.
- 5Review the first 12 months of the amortization schedule with principal and interest breakdown.
- 6Use the overpayment simulation to see how extra payments reduce your total cost.
Tips
- Even small monthly overpayments can save years and thousands in interest on a 20-30 year mortgage.
- Compare 15-year vs. 30-year terms: shorter terms have higher payments but dramatically less total interest.
- Use this alongside the full Amortization Table tool for a complete schedule with export options.
OneKitTools TeamUpdated 2.21.4