Mortgage Payment Formula:
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Definition: This calculator estimates the monthly payment for a fixed-rate mortgage using the standard amortization formula.
Purpose: It helps homebuyers and homeowners understand their potential mortgage payments based on loan amount, interest rate, and term.
The calculator uses the formula:
Where:
Explanation: The formula calculates the fixed payment amount that will pay off the loan over the specified term, including both principal and interest.
Details: Accurate mortgage calculations help borrowers budget effectively, compare loan options, and understand the long-term cost of homeownership.
Tips: Enter the loan amount, annual interest rate (as a percentage), and loan term in years. All values must be > 0.
Q1: Does this include property taxes and insurance?
A: No, this calculates only principal and interest. Your actual payment may include escrow for taxes and insurance.
Q2: How does the interest rate affect my payment?
A: Higher rates increase monthly payments significantly. A 1% rate change can affect payments by $50-$100 per $100,000 borrowed.
Q3: What's the advantage of a shorter loan term?
A: Shorter terms (e.g., 15 years) have higher monthly payments but much less total interest paid over the life of the loan.
Q4: How accurate is this calculator?
A: It provides accurate estimates for fixed-rate mortgages. For ARMs or loans with special terms, consult your lender.
Q5: Can I calculate how much interest I'll pay over the life of the loan?
A: Multiply the monthly payment by the number of payments, then subtract the principal to get total interest.