Full loan amortization schedule with month-by-month payment breakdown, principal vs interest chart and extra payment savings
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Full loan amortization schedule with month-by-month payment breakdown, principal vs interest chart and extra payment savings. The Amortization Calculator is designed to help individuals, investors, and finance professionals with financial planning, budgeting, and investment decisions.
Instead of complex manual computation, you can use this tool to get instant, accurate results. Simply enter your values to see a step-by-step breakdown of how the answer was reached.
This utility works directly in your browser without any sign-ups or downloads.
Monthly Payment = P × r × (1+r)^n / [(1+r)^n - 1]
Where P = Principal, r = monthly rate, n = number of payments
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⚠️ Financial Disclaimer: Results are estimates based on the inputs you provide and standard mathematical formulas. They do not constitute financial advice. Please consult a certified financial advisor, accountant, or tax professional before making any investment, loan, or financial decisions.
Quick Examples
Every extra dollar goes 100% to principal
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An amortization schedule is a complete table showing each loan payment broken down into principal and interest portions. While your monthly payment stays constant, the split shifts dramatically over time — early payments are mostly interest, while late payments are mostly principal.
The EMI Formula
EMI = P x r x (1+r)^n / [(1+r)^n - 1] — where P = principal, r = monthly rate, n = total payments.
Early vs Late
In year 1 of a 30-year mortgage, ~80% of each payment is interest. By year 25, ~80% goes to principal.
Extra Payment Power
Extra payments go 100% to principal. $200/mo extra on a $300K loan saves $60,000+ in interest.
Yearly vs Monthly
Use yearly view for a big-picture overview. Switch to monthly to see the exact breakdown of every payment.
Pro Tips to Save on Your Loan