Money Expert Mortgage Calculator
'/%3E%3Ccircle cx='48' cy='39' r='19' fill='%23f2c9a5'/%3E%3Cpath d='M27 35c3-16 39-17 42 2-8-8-27-9-42-2z' fill='%23374151'/%3E%3Cpath d='M21 86c5-24 49-28 56 0z' fill='%232563eb'/%3E%3Ccircle cx='41' cy='41' r='2' fill='%23111827'/%3E%3Ccircle cx='55' cy='41' r='2' fill='%23111827'/%3E%3Cpath d='M42 52c4 3 9 3 13 0' stroke='%2392400e' stroke-width='3' fill='none' stroke-linecap='round'/%3E%3C/svg%3E)
Reviewed by Calculator Editorial Team
Calculate your monthly mortgage payments with this expert mortgage calculator. Understand how loan amount, interest rate, and term affect your payments, and explore different mortgage types to find the best option for your situation.
How to Use This Calculator
Using our mortgage calculator is simple:
- Enter the loan amount you're seeking (e.g., $200,000)
- Input your annual interest rate (e.g., 4.5%)
- Select the loan term in years (e.g., 30 years)
- Click "Calculate" to see your monthly payment
The calculator will display your estimated monthly payment, total interest paid over the life of the loan, and a breakdown of your payments over time.
Formula Used
The mortgage payment is calculated using the standard amortization formula:
M = P [ i(1 + i)n ] / [ (1 + i)n - 1 ]
Where:
- M = Monthly payment
- P = Principal loan amount
- i = Monthly interest rate (annual rate divided by 12)
- n = Number of payments (loan term in years multiplied by 12)
This formula calculates the fixed monthly payment required to fully amortize a loan over the specified term.
Worked Example
Let's calculate a mortgage for $200,000 at 4.5% annual interest over 30 years:
- Convert annual rate to monthly: 4.5% ÷ 12 = 0.375% or 0.00375
- Calculate number of payments: 30 years × 12 = 360 payments
- Apply the formula:
M = $200,000 [ 0.00375(1 + 0.00375)360 ] / [ (1 + 0.00375)360 - 1 ]
- Result: Monthly payment ≈ $1,073.64
Over 30 years, you would pay approximately $386,510 in total, with $186,510 going toward interest.
Types of Mortgages
There are several types of mortgages available, each with different features and requirements:
| Mortgage Type | Description | Best For |
|---|---|---|
| Fixed-Rate Mortgage | Interest rate remains constant throughout the loan term | Buyers who want predictable payments |
| Adjustable-Rate Mortgage (ARM) | Interest rate adjusts periodically based on market conditions | Buyers who expect to sell or refinance before rates adjust |
| Government-Backed Mortgage | FHA, VA, or USDA loans with lower down payment requirements | First-time homebuyers or those with limited savings |
| Jumbo Mortgage | Loans over conventional limits (typically $548,250 in 2023) | High-value home purchases |
Choose the mortgage type that best fits your financial situation and long-term plans.
Frequently Asked Questions
How accurate is this mortgage calculator?
This calculator provides an estimate based on standard mortgage formulas. For precise figures, consult with a mortgage lender who can factor in your specific financial situation and local market conditions.
What factors affect my mortgage payment?
Your monthly payment is primarily determined by the loan amount, interest rate, and loan term. Other factors include down payment percentage, property taxes, insurance, and private mortgage insurance (PMI) if applicable.
Can I pay extra toward my mortgage?
Yes, making extra payments can reduce your principal balance faster and lower your total interest costs. Some lenders offer prepayment penalties, so check your loan agreement first.
What is the difference between APR and interest rate?
APR (Annual Percentage Rate) includes all loan costs including interest, fees, and other charges, while the interest rate is just the cost of borrowing. APR is typically higher than the interest rate.