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Mortgage Calculator
How much will my mortgage payment be each month?
Estimate your monthly mortgage payments and amortization.
Model a Full Mortgage Payment in Minutes
Estimate principal, interest, taxes, insurance, PMI, HOA, and payoff timeline in one place.
Use this for
- Pre-approval payment planning
- Down payment scenario comparisons
- Extra payment payoff strategy
You will get
- Monthly payment with full breakdown
- Amortization and interest totals
- Equity and home value trajectory
Quick Result
Estimated monthly payment
$1,917
Loan amount: $240,000
Based on
- • Home price: $300,000
- • Down payment: $60,000 (20.0%)
- • Rate and term: 6.5% for 30 years
Annual Expenses
Estimated Monthly Payment
$1,917
Payment Breakdown
Total Interest Paid
$306,107
Total Cost of Loan
$750,107
Home Appreciation
$428,179
Monthly Payment Breakdown
Principal vs Interest Over Time
Equity Buildup & Home Value
This tool is for illustrative purposes only and does not constitute professional financial, tax, or legal advice. Calculations are estimates and may not reflect real-world variables or local regulations. Always consult with a qualified professional before making financial decisions.
Methodology and Trust
Formulas
Loan amount
loanAmount = homePrice - downPayment
Monthly P&I
payment = P×r×(1+r)^n / ((1+r)^n - 1)
Monthly total
total = P&I + tax/12 + insurance/12 + PMI + HOA
Interest savings
saved = standardInterest - acceleratedInterest
Recommended Next Steps
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Understanding Mortgage Dynamics
Key Insights & Concepts
A mortgage is a complex financial instrument where small variables—like interest compounding or escrow adjustments—can significantly impact your long-term wealth. Understanding the mechanics of your loan is the first step toward effective debt management.
The Components of Your Payment (PITI)
Most mortgages bundle four costs into a single monthly debit:
P - Principal
The repayment of the actual money borrowed. In the first year of a 30-year loan, principal often accounts for less than 30% of your payment.
I - Interest
The cost of borrowing. Interest in mortgages is front-loaded; you pay the majority of your total interest costs in the first decade.
T - Taxes
Property taxes are collected monthly into an "escrow" account. The lender pays the county annually on your behalf.
I - Insurance
Includes Homeowners Insurance (hazard) and Private Mortgage Insurance (PMI) if your down payment was under 20%.
Buying Down the Rate: Points vs. Credits
When locking a rate, you often have the option to pay "Discount Points."
- Discount Points: You pay an upfront fee (e.g., 1% of loan amount) to lower your interest rate permanently (e.g., from 7.0% to 6.75%). This makes sense if you plan to keep the loan for many years.
- Lender Credits: The opposite—you accept a slightly higher interest rate (e.g., 7.25%) in exchange for the lender paying some of your closing costs. This is useful if you are cash-strapped at closing.
The "House Poor" Trap
Lenders verify what you *can* borrow based on Debt-to-Income (DTI) ratios (usually up to 43% or 50% of gross income). They do not account for:
- Childcare costs.
- Home maintenance (budget 1-2% of home value annually).
- Retirement savings goals.
Prudent Planning: Just because a bank approves you for a $500k loan doesn't mean it fits your budget. Prioritize your monthly cash flow over standard approval limits.
The Escrow Surprise
Many homeowners are shocked when their mortgage payment rises after the first year. This is usually due to an Escrow Shortage. If your property taxes or insurance premiums increase, the lender will increase your monthly payment to cover the new higher amount *plus* the deficit from the previous year.
Tip: Always homestead your property immediately after purchase to cap tax increases, if your state allows it.
Recasting vs. Refinancing
If you come into a lump sum of money (e.g., inheritance, bonus):
- Recasting: You pay down a large chunk of principal, and the lender re-calculates your monthly payment based on the lower balance. The rate and term stay the same. Low fee (~$250).
- Refinancing: You get a completely new loan with a new rate and term. High closing costs. Only best if interest rates have dropped significantly.