Amortization Calculator
Generate a detailed loan amortization schedule showing payment breakdown for each period.
Calculate Amortization Schedule
About Amortization
Loan amortization is the process of paying off a debt over time through regular payments. Each payment covers both principal and interest, with the proportion shifting over the loan's lifetime.
How Amortization Works
- Early Payments: Higher proportion goes to interest
- Later Payments: Higher proportion goes to principal
- Equal Payments: Monthly payment amount stays the same
- Declining Balance: Interest calculated on remaining balance
Amortization Formula
Monthly Payment = P × [r(1+r)^n] / [(1+r)^n - 1]
Interest Payment = Balance × Monthly Rate
Principal Payment = Monthly Payment - Interest Payment
New Balance = Old Balance - Principal Payment
Interest Payment = Balance × Monthly Rate
Principal Payment = Monthly Payment - Interest Payment
New Balance = Old Balance - Principal Payment
Benefits of Amortization Schedules
- Understand how much interest you'll pay over time
- See how extra payments can reduce total interest
- Plan for future financial obligations
- Compare different loan options effectively
- Track equity building in assets like homes
Example Breakdown
- $200,000 loan at 4% for 30 years:
- Monthly Payment: ~$955
- First Month: $288 principal, $667 interest
- Total Interest: ~$143,739
Tips to Save on Interest
- Make extra principal payments when possible
- Consider bi-weekly payments instead of monthly
- Refinance if rates drop significantly
- Round up payments to accelerate payoff
- Make one extra payment per year