See how extra payments save you money and time
Step 1: Enter Your Loan Amount. Input the remaining principal balance on your mortgage. For example, if you originally borrowed $300,000 and have paid down $50,000, enter $250,000.
Step 2: Set the Interest Rate. Enter your current mortgage interest rate (e.g., 6.5%). This should match the rate on your existing loan, not a new rate.
Step 3: Choose Remaining Loan Term. Enter the total original term of the loan (e.g., 30 years). The calculator will compute the original payoff timeline vs. the accelerated one.
Step 4: Enter Extra Monthly Payment. Input the additional amount you plan to pay each month on top of your regular payment. For example, enter $200 to see the impact of an extra $200/month.
Step 5: Click "Calculate Savings." The calculator shows your interest savings, time saved, and a side-by-side comparison of the original vs. accelerated payoff.
Step 6: Experiment with Different Amounts. Try $100, $200, $500 extra to find the right balance between accelerated payoff and monthly cash flow flexibility.
Step 7: Compare With Investing. Consider whether the interest saved by extra payments exceeds what you'd earn by investing that money instead. If your mortgage rate is 6.5% and you can earn 8% in the market, investing may be better.
This calculator provides estimates for informational purposes only and does not constitute financial advice. Actual savings may vary depending on your lender's policies, prepayment penalties, escrow adjustments, and other factors. Always consult your mortgage servicer before making extra payments. RiseTop is not responsible for financial decisions made using this tool.
Even small extra payments can save thousands in interest. Adding $100/month to a $300k mortgage can save over $40,000 in interest.
Monthly extra payments are slightly better because they reduce the principal sooner, leading to less interest accrual each month.
It depends on your financial situation. If your mortgage rate is low, investing the extra money might yield better returns.
An amortization schedule shows each monthly payment broken down into principal and interest, and the remaining balance.
Extra payments go directly toward reducing your principal balance, which means less interest accrues and your loan is paid off sooner.
Yes, most mortgages allow lump sum payments. Our calculator shows the impact of recurring monthly extra payments.
Doubling your payment can cut a 30-year mortgage to about 15 years and save a huge amount in interest.
This calculator focuses on principal and interest. Escrow (taxes and insurance) are separate and typically don't change with extra payments.