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Loan Calculator

Calculate monthly loan payments with full amortization schedule. Export to CSV, PDF, or Excel.

Enter loan details above to calculate payments

🔒 All calculations happen in your browser — no data is sent to any server. Results are estimates and do not include fees or insurance.

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Loan & Mortgage Payment Calculator

Our free loan calculator shows your exact monthly payment for any loan amount, interest rate, and term. See the complete amortization schedule — grouped by year and expandable by month — to understand how each payment is split between principal and interest. The extra payment feature reveals how additional payments reduce your total interest and shorten your loan term. Export the full schedule to CSV, Excel, or PDF for your records.

How to use Loan Calculator

  • Enter the loan amount, annual interest rate, and loan term.
  • Optionally add an extra monthly payment to see the impact.
  • See your monthly payment, total interest, and payoff timeline.
  • Click any year row to expand monthly payment details.
  • Download the full amortization schedule as CSV, Excel, or PDF.

Features

  • Monthly payment calculation — Accurate payment for any loan scenario.
  • Full amortization schedule — Year-by-year summary with expandable monthly detail.
  • Extra payment analysis — See time saved and interest saved with extra payments.
  • Export to CSV, Excel, PDF — Download the full schedule for your records.
  • Works for all loan types — Mortgage, auto, personal, and student loans.
  • Total cost summary — Total interest paid and total amount paid.

Frequently Asked Questions

How is a monthly loan payment calculated?

Monthly payment = P × [r(1+r)^n] / [(1+r)^n – 1], where P is the loan amount, r is the monthly interest rate, and n is the total number of payments. Our calculator applies this formula automatically for any loan scenario.

How much can I save by making extra payments?

Even small extra payments make a big difference. For example, adding $100/month to a $200,000 mortgage at 6.5% over 30 years saves approximately $56,000 in interest and pays off the loan 6 years early. Enter your specific numbers to see your savings.

What is the difference between APR and interest rate?

The interest rate is the base cost of borrowing. APR (Annual Percentage Rate) includes the interest rate plus fees and closing costs, giving you the true total cost. When comparing loans, APR provides a more accurate comparison.