Amortization Calculator
Calculate loan amortization, payment amount, total interest, payoff date, and a month-by-month balance schedule.
Calculator updated
Use this page to get the result quickly, then review the formula, table, chart, or example for context.
- Build a month-by-month loan schedule
- See principal versus interest
- Estimate payoff impact from extra payments
- Formula, example, and related calculators
Formula
Payment = P * r / (1 - (1 + r)^-n). Each payment is split between interest and principal.
Example
A 250,000 loan at 6% for 30 years has an estimated monthly payment of about 1,499 before fees or taxes.
When to Use
- Build a month-by-month loan schedule
- See principal versus interest
- Estimate payoff impact from extra payments
Common Mistakes
- Ignoring fees and escrow
- Comparing different payment frequencies without converting rates
- Rounding each month manually
Fast Result
The calculator updates from your inputs and keeps the result easy to copy, print, or save locally.
Transparent Formula
The formula and example show how the result is built, so the page is useful beyond a single calculation.
Related Next Steps
Use the related links to move from estimate to comparison, payoff, conversion, or planning.
How this amortization calculator works
Calculate loan amortization, payment amount, total interest, payoff date, and a month-by-month balance schedule.
Enter the values you know, review the primary result, then use the table or chart to understand the details. The result is an estimate and should be checked against professional advice when money, medical, tax, legal, or engineering decisions are involved.
Frequently Asked Questions
Are these finance results a lender quote?
No. The result is an estimate based on the values entered. Lenders may apply fees, taxes, insurance, underwriting rules, and other terms.
Can I print or copy the result?
Yes. Use the print, copy, or save buttons in the result panel.
Why does the total interest change when the term changes?
Longer terms usually reduce the regular payment but keep the balance outstanding for longer, which can increase total interest.