Payment Calculator
Last updated: July 2026
Estimate a fixed monthly loan payment, total repayment and total interest.
Estimated monthly payment
—
- Total of payments: —
- Total interest: —
- First-month interest: —
On this page
Quick summary: Estimate a fixed monthly loan payment, total repayment and total interest. Enter the requested values, calculate, review the result, and compare more than one realistic scenario before making a decision.
Read the complete guide
What this calculator estimates
Estimate a fixed monthly loan payment, total repayment and total interest. It is designed for fast planning and comparison in the United States. The output is an estimate, not a binding quote, approval, tax determination, insurance offer, legal conclusion, medical recommendation or professional advice.
How to use it
Enter the requested values using a single consistent time period and currency. Select Calculate, review the headline result and supporting figures, then change one assumption at a time to compare another scenario.
How the calculation works
The monthly payment uses the standard amortizing-loan formula with a fixed monthly interest rate and fixed number of payments.
Important limitations
Fees, taxes, insurance, variable rates, irregular payment dates and lender-specific rounding are not included.
Frequently asked questions
Is the result exact?
No. It is a planning estimate based on the assumptions entered.
Can I compare different scenarios?
Yes. Change one input at a time so you can see which assumption changes the result.
Does the calculator store my inputs?
The calculation runs in the browser and does not require an account. Avoid entering unnecessary confidential information.