Free Mortgage Payment Calculator

The monthly mortgage payment is calculated using the standard amortization formula: M = P × [r(1+r)^n] / [(1+r)^n - 1], where M is the monthly payment, P is the principal loan amount (home price minus down payment), r is the monthly interest rate (annual rate divided by 12), and n is the total number of payments (loan term in years times 12). This formula accounts for both principal and interest payments over the life of the loan.

Principal is the original amount of money you borrow from the lender to purchase your home, while interest is the cost of borrowing that money, expressed as a percentage of the loan amount. Each monthly mortgage payment includes both principal (which reduces your loan balance) and interest (which compensates the lender). In the early years of your mortgage, a larger portion goes toward interest, but over time, more of your payment applies to the principal.

No, this calculator only estimates the principal and interest portion of your monthly mortgage payment. Your actual monthly housing payment will likely be higher because it should also include property taxes, homeowners insurance, and potentially private mortgage insurance (PMI) if your down payment is less than 20%. Some lenders also require homeowners association (HOA) fees to be included in your monthly payment. Contact your lender for a complete breakdown.

A larger down payment reduces the principal loan amount, which directly lowers your monthly mortgage payment and the total interest you'll pay over the life of the loan. For example, putting 20% down instead of 10% on a $350,000 home reduces your loan amount by $35,000, saving you hundreds per month and tens of thousands in interest over 30 years. Additionally, a 20% down payment typically eliminates the need for PMI, further reducing your monthly costs.

Yes, choosing a shorter loan term (like 15 or 20 years instead of 30 years) will significantly reduce the total interest you pay over the life of the loan. While your monthly payment will be higher with a shorter term, you'll build equity faster and save tens of thousands of dollars in interest. Use this calculator to compare different loan terms and see how they impact both your monthly payment and total loan cost to find the right balance for your budget.

This calculator is most accurate for conventional fixed-rate mortgages where the interest rate remains constant throughout the loan term. It may not accurately reflect payments for adjustable-rate mortgages (ARMs), interest-only loans, or loans with special features like balloon payments. The calculator also doesn't account for closing costs, points, or other fees that may affect your overall borrowing costs. For a precise quote tailored to your specific situation and loan type, consult with a mortgage lender or financial advisor.