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Mortgage Calculator Pro

Calculate your monthly mortgage payment including Principal, Interest, Taxes, and Insurance (PITI). Professional amortization logic.

Decision summary

Mortgage Calculator Pro estimates Total Monthly Payment (PITI), Principal & Interest Only, Chart, Data from Loan Amount ($), Interest Rate (%), Loan Term (Years), Annual Property Tax ($), Annual Insurance ($). Use it as a directional estimate, then verify current quotes, rates, rules, or professional advice before acting.

Get deeper options
Change these first: Loan Amount ($), Interest Rate (%), Loan Term (Years), Annual Property Tax ($).
Watch these outputs: Total Monthly Payment (PITI), Principal & Interest Only, Chart.
Sanity check: compare at least two scenarios before using the estimate for a quote, purchase, or planning decision.
Mortgage Calculator Pro
Logic Verified
Configure parametersUpdated: Feb 2026
Transparent inputs
Change assumptions live
Decision support
Estimate first, verify quotes
10000 - 10000000
0.1 - 100
10 - 40
0 - 10000
0 - 100000

Total Monthly Payment (PITI)

$0.00

Principal & Interest Only

$0.00

Chart

0

Data

0

Value

0
Assumptions used
These are the live inputs behind the result. Change one at a time before acting on the estimate.

Loan Amount ($)

400,000

Interest Rate (%)

6.5

Loan Term (Years)

30

Annual Property Tax ($)

5,000

Annual Insurance ($)

1,200

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Expert Analysis & Methodology

Mortgage Calculator Pro

Calculate your true monthly housing payment with PITI (Principal, Interest, Taxes, Insurance).

Breaking Down 'PITI'

Your mortgage payment is more than just the loan. Lenders usually collect 4 things in one check:

  1. Principal: The money that actually pays down your loan balance. This builds equity.
  2. Interest: The fee the bank charges you. In the first few years, your payment is mostly interest.
  3. Taxes (Property Tax): The bank collects this monthly and pays your county/city government once a year.
  4. Insurance: Homeowners insurance protects the asset.

The 28/36 Rule

Financial advisors use this rule to check affordability:

  • Housing Ratio (28%): Your PITI payment should not exceed 28% of your gross monthly income.
  • Debt Ratio (36%): Your total debt payments (House + Car + Student Loans + Credit Cards) should not exceed 36% of gross income.

[!IMPORTANT] PMI (Private Mortgage Insurance): If you put down less than 20%, you will likely pay an extra fee called PMI. This protects the lender, not you. Aim for 20% down to remove this cost.

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Disclaimer

This calculator is provided for educational and informational purposes only. It does not constitute professional legal, financial, medical, or engineering advice. While we strive for accuracy, results are estimates based on the inputs provided and should not be relied upon for making significant decisions. Please consult a qualified professional (lawyer, accountant, doctor, etc.) to verify your specific situation. CalculateThis.ai disclaims any liability for damages resulting from the use of this tool.