Mortgage Calculator

Calculate your monthly payment and total loan cost

Total home price before down payment

%

$60,000 down payment

%

Annual percentage rate (APR)

years

360 monthly payments

Your Monthly Payment

$1,516.96

Principal Amount

$240,000

Total Interest

$306,107

Total Amount Paid

$546,107

Mortgage Calculator - Estimate Monthly Payments Instantly

Our mortgage calculator helps you instantly estimate your monthly payments and total loan costs. Simply input your home price, down payment, interest rate, and loan term to see a complete breakdown of your mortgage including principal, interest, and an amortization schedule.

How to Use This Tool

Getting accurate mortgage estimates takes just a few seconds. Here's how to use the calculator:

1

Enter Home Price

Start by entering the total price of the home you're looking to purchase. This is the base amount you'll be borrowing (before your down payment).

2

Set Your Down Payment

Choose whether to enter a percentage (20% is common) or a specific dollar amount. The calculator automatically adjusts your loan amount based on your down payment.

3

Input Interest Rate

Enter your mortgage interest rate as a percentage. This rate significantly affects your monthly payment, so check current rates with your lender.

4

Select Loan Term

Choose your loan term in years—typically 15, 20, or 30 years. Longer terms mean lower monthly payments but more total interest paid.

5

Review Your Results

Instantly see your monthly payment, total amount paid, and total interest. Toggle the amortization schedule to see year-by-year breakdown of principal and interest payments.

Why Use This Tool

Instant Calculations

Get real-time results as you adjust any input. See how changing your down payment or interest rate impacts your monthly payment immediately.

Detailed Amortization Schedule

View a complete year-by-year breakdown showing exactly how much of each payment goes toward principal versus interest, plus your remaining balance.

Multiple Input Options

Enter down payments as either a percentage or specific dollar amount—whichever is easier for your situation. The calculator handles the math for you.

No Sign-Up Required

Completely free to use with no account needed. Calculate as many scenarios as you want to find the mortgage that works best for your budget.

Who Is This Tool For

First-Time Home Buyers

Understand what monthly payments you can afford before house hunting. Test different down payment amounts to see how they affect your payment.

Comparing Loan Options

Run multiple scenarios with different interest rates and loan terms to compare 15-year versus 30-year mortgages and see total cost differences.

Refinancing Decisions

Calculate potential savings from refinancing at a lower rate or determine if shortening your loan term is affordable for your budget.

Financial Planning

Factor mortgage costs into your overall budget planning by seeing total monthly obligations and lifetime interest payments.

Understanding Mortgage Calculations

A mortgage payment consists of principal (the amount borrowed) and interest (the cost of borrowing). Your monthly payment is calculated using a standard amortization formula that spreads your loan across the full term. Early payments are heavily weighted toward interest, while later payments pay down more principal. The interest rate you receive depends on factors like credit score, down payment size, loan term, and current market conditions. The down payment is crucial because it reduces the amount you need to borrow. A 20% down payment is traditional and often avoids private mortgage insurance (PMI), but many lenders accept lower percentages. Your loan term affects both monthly payment and total interest paid—a 15-year mortgage has higher monthly payments but costs significantly less in total interest compared to a 30-year loan. The amortization schedule shows the complete payment plan over your loan's lifetime. This breakdown is useful for understanding how your payments are allocated and how much principal you'll have paid down at any point. Interest is typically tax-deductible, making it important to track for tax purposes.

Tips & Best Practices

  • Experiment with different down payment amounts to see how each impacts your monthly payment. Even small percentage increases can significantly reduce your loan amount.
  • Check current mortgage rates with multiple lenders before calculating—rates vary by lender and change frequently, affecting your payment significantly.
  • Remember that your actual monthly payment may include property taxes, homeowners insurance, and HOA fees on top of principal and interest.
  • Use the amortization schedule to see how much interest you'll pay over the full term. Paying extra toward principal can dramatically reduce lifetime interest costs.
  • Consider your full financial picture including emergency savings and other debt when determining the mortgage amount you can comfortably afford.
  • If you're considering a shorter loan term, ensure your monthly budget comfortably covers the payment without stretching your finances too thin.

Frequently Asked Questions

What's the difference between principal and interest?

Principal is the original amount you borrowed. Interest is what the lender charges you for borrowing that money, calculated as a percentage of the remaining balance. Early mortgage payments are mostly interest; later payments pay down more principal.

How much down payment do I need?

Down payment requirements vary by lender and loan type, typically ranging from 0% to 20%. A 20% down payment avoids private mortgage insurance (PMI) on conventional loans. Use this calculator to see how different down payment amounts affect your payment.

Should I get a 15-year or 30-year mortgage?

A 15-year mortgage has higher monthly payments but costs significantly less in total interest. A 30-year mortgage is more affordable monthly but costs more overall. Calculate both scenarios with this tool to see which fits your budget.

What interest rate should I use?

Check current rates with your lender or mortgage broker—rates vary based on market conditions, credit score, down payment size, and loan type. Your rate quote will specify the exact rate for your situation.

Does this calculator include taxes and insurance?

This calculator shows principal and interest only. Your actual monthly payment will include property taxes, homeowners insurance, HOA fees, and possibly PMI. Add these costs to the monthly payment for your complete housing expense.

Can I change my down payment format from percentage to dollars?

Yes, the calculator lets you toggle between percentage and dollar amount. Choose whichever is easiest for your situation—the calculator automatically adjusts your loan amount either way.
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