Advertisement Space
Mortgage Calculator
• Principal + Interest (P&I)
• Property Taxes
• Homeowners Insurance
• PMI (if applicable)
• HOA Fees (if applicable)
Mortgage Payment Summary
$0
Monthly Payment Breakdown
Principal & Interest
$0
Property Taxes
$0
Insurance
$0
PMI + HOA
$0
Amortization Schedule
Understanding Your Mortgage
What is a Mortgage?
A mortgage is a loan used to purchase real estate, typically a home. The property serves as collateral for the loan. You borrow money from a lender and repay it over time with interest. Once the loan is fully paid, you own the property outright.
Components of Your Mortgage Payment (PITI)
- Principal: The actual loan amount being paid down each month. Early in the loan, most of your payment goes toward interest; later, more goes to principal.
- Interest: The cost of borrowing the money. Calculated as a percentage of the remaining loan balance. This is the lender's profit.
- Taxes: Property taxes paid to your local government. Varies significantly by location (0.5-2% of home value annually).
- Insurance: Homeowners insurance required by lenders plus PMI if down payment was less than 20%.
How Amortization Works
An amortization schedule shows how your loan is paid off over time. Early payments are mostly interest (lender profits). As time goes on, more of your payment goes toward principal. By the end of the loan, most of your payment is principal.
Where: P = Principal, r = Monthly interest rate, n = Number of payments
Interest-Only vs Principal Payments
- Year 1 of 30-year loan: ~90% interest, ~10% principal
- Year 15 of 30-year loan: ~50% interest, ~50% principal
- Year 30 of 30-year loan: ~10% interest, ~90% principal
Fixed-Rate vs Adjustable-Rate Mortgages
- Fixed-Rate: Interest rate stays the same for entire loan. Payment never changes. Predictable, easier budgeting.
- Adjustable-Rate (ARM): Interest rate changes after initial period. Lower initial rate but can increase significantly. Higher risk.
Impact of Interest Rate Changes
A 1% difference in interest rate significantly affects your total cost:
- $300,000 loan at 5.5%: ~$1,703/month (30-year) = $612,800 total
- $300,000 loan at 6.5%: ~$1,896/month (30-year) = $682,500 total
- Difference: ~$193/month or ~$70,000 over 30 years!
Strategies to Pay Off Your Mortgage
Paying Off Your Mortgage Faster
- Make Extra Payments: Pay extra toward principal, not interest. Extra $100/month can save years.
- Bi-Weekly Payments: Pay half your monthly payment every 2 weeks (26 payments = 13 monthly). Adds up to 1 extra payment per year.
- Lump Sum Payments: Use bonuses, tax refunds, or inheritance to make principal payments.
- Refinance: If rates drop significantly, refinance to a lower rate or shorter term.
Refinancing Your Mortgage
Refinancing means getting a new loan to pay off your existing mortgage. Benefits include:
- Lower Interest Rate: Reduce monthly payment or loan term
- Shorter Loan Term: Pay off faster (e.g., 30-year to 15-year)
- Cash-Out Refinance: Borrow against home equity for home improvements or debt consolidation
Cost of Refinancing
- Closing Costs: 2-5% of loan amount ($6,000-$15,000 for $300k loan)
- Break-Even Point: Usually 1-3 years depending on savings vs. closing costs
- Should You Refinance?: Only if you'll stay long enough to break even
PMI Removal
- Automatic Removal: At 22% loan-to-value through payments
- Request Removal: At 20% loan-to-value through payments or home appreciation
- Accelerate Removal: Extra principal payments build equity faster
Frequently Asked Questions
What's the difference between a loan amount and home price?
Home price = Down payment + Loan amount. A $300k home with 20% down ($60k) means a $240k loan.
Why does interest decrease over time?
Interest is calculated on remaining balance. As you pay down principal, the balance decreases, so interest owed each month decreases.
What is an amortization schedule?
A detailed breakdown of each payment showing how much goes to principal vs. interest, and the remaining balance after each payment.
Should I choose a 15-year or 30-year mortgage?
15-year: Higher payment but less total interest. 30-year: Lower payment but more total interest. Choose based on your budget and financial goals.
How much interest will I pay?
It depends on loan amount, rate, and term. Use this calculator to see. For $300k at 6.5% over 30 years: ~$382,500 total interest.
Can I pay off my mortgage early?
Yes. Extra payments reduce principal, saving years of payments and thousands in interest. No prepayment penalties on most mortgages.
What's the best interest rate I can get?
Rates depend on market conditions, credit score, down payment, and loan type. Shop around with multiple lenders for best rate.
Should I refinance my mortgage?
Refinance if rates dropped significantly and you'll stay long enough to break even on closing costs (usually 1-3 years).
Related Mortgage & Financial Calculators
Explore our other mortgage and financial calculators: