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Mortgage Loan Calculator Zillow

Mortgage Payment Formula:

\[ M = P \times \frac{r(1 + r)^n}{(1 + r)^n - 1} \]

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1. What is a Mortgage Loan Calculator?

Definition: This calculator estimates the monthly payment for a fixed-rate mortgage loan based on the principal amount, interest rate, and loan term.

Purpose: It helps homebuyers and homeowners understand their potential mortgage payments and plan their finances accordingly.

2. How Does the Calculator Work?

The calculator uses the standard mortgage formula:

\[ M = P \times \frac{r(1 + r)^n}{(1 + r)^n - 1} \]

Where:

Explanation: This formula calculates the fixed monthly payment required to fully amortize (pay off) the loan over its term.

3. Importance of Mortgage Calculation

Details: Accurate mortgage calculations help borrowers understand affordability, compare loan options, and budget for homeownership costs.

4. Using the Calculator

Tips: Enter the loan amount in USD, annual interest rate (as a percentage), and loan term in years. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Does this include property taxes and insurance?
A: No, this calculates only the principal and interest payment. Your actual payment may include escrow for taxes and insurance.

Q2: What's a typical interest rate?
A: Rates vary by market conditions, but historically range between 3-8% for conventional 30-year mortgages.

Q3: How does loan term affect payments?
A: Shorter terms (15 years) have higher monthly payments but lower total interest. Longer terms (30 years) have lower payments but higher total interest.

Q4: What if I make extra payments?
A: Additional payments reduce principal faster, saving interest and potentially shortening the loan term.

Q5: Does this work for adjustable-rate mortgages (ARMs)?
A: No, this calculator is for fixed-rate mortgages only. ARM payments can change after the initial fixed period.

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