Calculator
Mortgage Calculator
Estimate your full monthly mortgage payment (PITI) including principal, interest, taxes, insurance, and PMI where applicable.
1. Your inputs
Results update instantly. Everything runs in your browser.
2. Your results
Monthly PITI (all-in payment)
$3,215.26/mo
P&I $2,480.89 · Tax $450.00 · Ins $125.00 · PMI $159.38
Loan amount
$382,500
Down payment
$67,500
Total interest
$510,620
Total paid (P&I)
$893,120
PMI included?
Yes
Escrow / mo
$575
Yearly principal vs interest
Total cost of home
$960,620
Total
- Down payment7%
$67,500
- Principal (loan)40%
$382,500
- Total interest53%
$510,620
What does this mean?
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In plain English
A $450,000 home at 15% down and 6.75% APR over 30 years gives you a full PITI of $3,215.26/month.
Over the life of the loan you'll pay $510,620 in interest — often more than the loan itself on 30-year mortgages.
You're paying PMI because your down payment is under 20%. Getting above 20% eliminates that charge entirely.
Assumptions used
The math relies on these assumptions. Real-world numbers can vary.
- Fixed-rate mortgage.
- Property tax + insurance divided evenly across 12 months (escrow).
- PMI added automatically at 0.5% of loan amount per year when down < 20%.
- No HOA fees or utility costs included.
- Interest compounds monthly at APR / 12.
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Frequently asked
What is PITI?
Principal, Interest, Taxes, and Insurance — the four components of a typical mortgage payment. This calculator returns the full PITI figure (plus PMI when applicable).
When does PMI apply?
Most conventional loans require PMI when the down payment is under 20% of the home price. This calculator turns PMI on automatically below 20% down.
How much house can I afford?
A common rule is that PITI shouldn't exceed 28% of your gross monthly income. Also keep total debt (including this payment) under 36% of gross income.
Should I put more down or invest?
Higher down payment = lower monthly + no PMI. Investing may beat that mathematically, but the guaranteed savings from avoiding PMI is compelling.
Does this show property tax and insurance monthly?
Yes — enter the annual figures and the calculator divides them into monthly escrow amounts folded into your PITI.
About the Mortgage Calculator
A mortgage payment is more than just principal and interest — property taxes, homeowners insurance, and PMI can add hundreds per month. This calculator returns the honest all-in PITI number.
The biggest cost hidden in most mortgages is the total interest over 30 years. It often exceeds the loan itself. Even a small rate improvement or bigger down payment saves tens of thousands over the loan term.
Compare PITI to your gross monthly income before committing. Keeping the ratio under 28% (housing) and 36% (total debt) leaves room for the rest of life.
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These calculators are for education only and are not a substitute for personalized advice from a licensed professional. Read our full disclaimer.