Math
Mortgage Calculator
Fixed and prime tracks on one page. Enter amount, rate and term for each.
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Track 1 (Fixed)
Track 2 (Prime)
Track 1 (Fixed)
Monthly payment
Total interest:
Total payments:
PrincipalInterest
Track 2 (Prime)
Monthly payment
Total interest:
Total payments:
PrincipalInterest
Combined summary
Monthly payment
Total interest
Total payments
For estimation only. Not a substitute for professional advice.
Enter mortgage details to calculate
What does Mortgage Calculator?
A mortgage calculator — computes monthly payment, total interest, and amortization schedule for each loan track.
How to use Mortgage Calculator?
- Enter the loan amount, interest rate, and term for each track.
- See the monthly payment and total cost.
- Compare different loan tracks side by side.
Key features
- Calculates monthly payment and total cost
- Compare multiple loan tracks simultaneously
- Detailed amortization schedule
Frequently asked questions
Is the calculation accurate?
The tool uses the standard Spitzer (amortizing) loan formula — accurate for general planning purposes.
What is the difference between tracks?
You can calculate tracks with different rates — fixed, prime-linked, short-term — and compare their total cost.
Is this tool free?
Yes, this tool is completely free and requires no registration.
Is my data saved?
No. All calculations happen in your browser only — no data is sent to any server.