A mortgage calculator helps you estimate your monthly home loan payment, including principal, interest, property taxes, and insurance. It's an essential tool for anyone planning to buy a home or refinance an existing mortgage.
By adjusting the home price, down payment, interest rate, and loan term, you can see how different scenarios affect your monthly payment and total cost of the loan.
Mortgage payments are calculated using the following process:
Where: M = Monthly principal & interest payment, P = Principal (loan amount), r = Monthly interest rate (annual rate / 12 / 100), n = Total number of payments (years × 12)
Total Monthly Payment = Principal & Interest + Property Tax/12 + Insurance/12
Problem: You want to buy a $350,000 home with a 20% down payment, at 6.5% interest for 30 years. Annual property tax is $4,200 and insurance is $1,800.
Solution:
A typical mortgage payment includes four components (often called PITI): Principal (the amount borrowed), Interest (the cost of borrowing), Taxes (property taxes), and Insurance (homeowners insurance and possibly PMI).
A 20% down payment is ideal as it helps you avoid Private Mortgage Insurance (PMI) and results in better loan terms. However, many loans allow lower down payments (3-10%), especially for first-time buyers.
A 15-year mortgage has higher monthly payments but saves significantly on interest and builds equity faster. A 30-year mortgage has lower payments but costs more in total interest. Choose based on your budget and financial goals.