Mortgage Calculator
Estimate monthly mortgage payments, total interest, and complete loan amortization schedules.
⚙️ Mortgage Details
📊 Monthly Payment Breakdown
Estimated Monthly Payment
$1,955.57
Loan Amount: $320,000.00
| Mortgage Metric | Amount |
|---|---|
| Home Purchase Price | $400,000.00 |
| Down Payment | $80,000.00 |
| Total Mortgage Loan Amount | $320,000.00 |
| Total Interest Over Term | $384,005.20 |
| Total Cost (Principal + Interest) | $704,005.20 |
How to Use This Calculator
- Step 1: Enter home purchase price and your down payment.
- Step 2: Specify annual interest rate and mortgage term in years.
Formula & Calculation Method
Loan = Home Value - Down Payment | M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1 ]
Where the variables represent:
| Variable | Description & Units |
|---|---|
| P | Principal mortgage loan amount |
| M | Monthly principal and interest payment |
| i | Monthly interest rate |
| n | Total months in loan term |
Worked Calculation Example
Scenario:
$400,000 home with $80,000 down payment ($320,000 loan) at 6.2% interest for 30 years.
- Loan P = $320,000
- Monthly rate i = 0.062 / 12
- Term n = 360 months
- M = $1,955.57
Result: Estimated monthly mortgage payment is $1,955.57.
Frequently Asked Questions
Does this include property taxes and insurance?
This calculation covers principal and interest. Property taxes and homeowners insurance can be added separately.
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Accuracy & General Guidance Disclaimer: This calculation tool is provided for educational and practical planning purposes. Formulas are verified against standard mathematical models. Do not rely on estimates as certified professional, financial, legal, or medical advice.