Mortgage Payment Calculator โ PITI, PMI & Total Cost
Calculate your monthly mortgage payment including principal, interest, property taxes, and insurance. See how down payment affects PMI and total cost.
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PITI under 28% of gross income 20% down eliminates PMI 15-year saves massive interest vs 30-year Shop multiple lenders for best rate
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Why: Your monthly mortgage payment determines affordability. PITI under 28% of gross income is the standard guideline. 20% down eliminates PMI.
How: M = P ร [r(1+r)^n] / [(1+r)^n - 1]. Principal & Interest use the amortization formula. Add monthly tax, insurance, and PMI if applicable.
Run the calculator when you are ready.
Mortgage Payment Calculator
PITI โข Amortization โข Total cost
Sample Scenarios
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Calculation Breakdown
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Monthly Payment Breakdown
Loan Totals
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1. Key Takeaways
- โข PITI under 28% of gross income
- โข 20% down eliminates PMI
- โข 15yr saves massive interest
- โข Shop multiple lenders
2. Understanding PITI
Principal, Interest, Taxes, Insurance - the four components of monthly housing payment.
P&I
Loan payment. Early = mostly interest; later = mostly principal.
T&I
Property tax, insurance. Often in escrow.
3. Formula
M = P ร [r(1+r)^n] / [(1+r)^n - 1]. P=principal, r=monthly rate, n=months.
4. Down Payment Guide
3-5%
FHA/Conv. PMI. First-time.
10-15%
Lower PMI. PMI off at 20%.
20%+
No PMI. Best rates.
5. Payment Reference
| $400K @ 7% | 15yr | 30yr |
|---|---|---|
| Payment | ~$3,595 | ~$2,661 |
| Total Interest | ~$247K | ~$558K |
6. FAQ
7. Quick Stats
28%
max housing DTI
20%
no PMI threshold
15/30
yr typical terms
PITI
full payment
8. Sources
CFPB mortgage guides; Freddie Mac, Fannie Mae.
9. Disclaimer
Estimates only. Get official quotes from lenders.
For educational and informational purposes only. Verify with a qualified professional.
๐ก Money Facts
Max housing DTI
โ Guideline
No PMI threshold
โ Conventional
Typical terms
โ Years
Full payment
โ Standard
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