Loan Calculator
Monthly payments, interest and three repayment methods.
How this calculator works
For a level-payment loan, payment = P × r / (1 − (1 + r)^−n), where r is the annual nominal rate divided by 12.
Calculation assumptions
Interest is accrued monthly on the beginning principal balance. The final payment is reduced to clear the remaining balance.
Example
At 5% annual nominal interest, $100,000 for 30 years requires approximately $536.82 per month.
For planning only. Not financial advice or a lender quote.
Frequently asked questions
Are my financial numbers stored or sent to your server?
No. Inputs remain in browser memory. Only language, currency, theme and recently used calculator IDs may be saved on this device. Exports are created locally.
Why can a lender’s quote differ?
Our calculations use the assumptions shown here. A lender may apply different dates, daily interest, fees, taxes, insurance or rounding.
Can I select a different currency?
Yes. Currency selection changes only the symbols and number formatting; no exchange-rate conversion occurs.