Mortgage Calculators
Calculate monthly payments, affordability, refinance savings, closing costs and home equity instantly with our free online mortgage calculators.
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Find Your Mortgage Calculator
64 calculators available
🌟 Most Searched Mortgage Calculators
Monthly Mortgage Payment Calculator
Calculate your monthly principal and interest payment.
FeaturedHow Much House Can I Afford Calculator
Estimate the home price you can comfortably afford.
FeaturedRefinance Savings Calculator
Estimate monthly and lifetime savings from refinancing.
FeaturedHome Equity Calculator
Calculate how much equity you have in your home.
⭐ Popular Mortgage Calculators
8+ CalculatorsMonthly Mortgage Payment Calculator
Calculate your monthly principal and interest payment.
How Much House Can I Afford Calculator
Estimate the home price you can comfortably afford.
Refinance Savings Calculator
Estimate monthly and lifetime savings from refinancing.
Home Equity Calculator
Calculate how much equity you have in your home.
Mortgage Amortization Schedule Calculator
Generate a full month-by-month mortgage amortization schedule.
Debt-to-Income Ratio Calculator
Calculate your debt-to-income ratio for mortgage qualification.
Fixed vs Adjustable Rate Calculator
Compare total cost between a fixed-rate and adjustable-rate mortgage.
Closing Cost Estimator
Estimate total closing costs for your mortgage.
🏠 Mortgage Payments & Amortization
10+ CalculatorsMonthly Mortgage Payment Calculator
Calculate your monthly principal and interest payment.
Mortgage Amortization Schedule Calculator
Generate a full month-by-month mortgage amortization schedule.
Biweekly Mortgage Payment Calculator
See how biweekly payments shorten your mortgage term.
Interest-Only Mortgage Calculator
Calculate payments during an interest-only mortgage period.
Mortgage Principal and Interest Calculator
Break down how much of each payment goes to principal versus interest.
Escrow Payment Calculator
Estimate your monthly escrow payment for taxes and insurance.
Mortgage Payment with Taxes and Insurance Calculator
Calculate your full PITI mortgage payment.
ARM Payment Calculator
Estimate how payments change on an adjustable-rate mortgage.
Balloon Payment Calculator
Calculate the final lump-sum balloon payment on a mortgage.
Mortgage Recast Calculator
Calculate a new lower payment after recasting your mortgage.
🏡 Affordability & Qualification
9+ CalculatorsHow Much House Can I Afford Calculator
Estimate the home price you can comfortably afford.
Debt-to-Income Ratio Calculator
Calculate your debt-to-income ratio for mortgage qualification.
Mortgage Pre-Approval Calculator
Estimate the loan amount you're likely to be pre-approved for.
Front-End vs Back-End Ratio Calculator
Calculate both housing and total debt ratios for qualification.
Income Needed for Mortgage Calculator
Estimate the income required to qualify for a target mortgage.
Down Payment Savings Goal Calculator
Plan monthly savings needed to reach your down payment goal.
Mortgage Qualification Calculator
Estimate whether your finances qualify for a target loan.
Co-Borrower Income Calculator
Calculate combined qualifying income with a co-borrower.
First-Time Homebuyer Affordability Calculator
Estimate affordability including first-time buyer programs.
🔄 Refinancing & Rate Comparison
9+ CalculatorsRefinance Savings Calculator
Estimate monthly and lifetime savings from refinancing.
Refinance Break-Even Point Calculator
Calculate how long it takes to recoup refinancing costs.
Rate and Term Refinance Calculator
Compare payments before and after a rate-and-term refinance.
Cash-Out Refinance Calculator
Estimate cash available from a cash-out refinance.
Mortgage Rate Comparison Calculator
Compare monthly payments across different mortgage rates.
Points vs No Points Calculator
Compare paying discount points against a higher interest rate.
Streamline Refinance Calculator
Estimate savings from an FHA or VA streamline refinance.
Refinance Closing Cost Calculator
Estimate closing costs for a mortgage refinance.
No-Closing-Cost Refinance Calculator
Compare a no-closing-cost refinance against paying costs upfront.
📋 Mortgage Types & Programs
9+ CalculatorsFixed vs Adjustable Rate Calculator
Compare total cost between a fixed-rate and adjustable-rate mortgage.
15-Year vs 30-Year Mortgage Calculator
Compare payments and total interest between loan terms.
USDA Loan Calculator
Estimate payments on a USDA rural development loan.
Conventional Loan Calculator
Estimate payments on a conventional conforming mortgage.
Piggyback Loan Calculator
Estimate payments on an 80-10-10 piggyback loan structure.
Interest Rate Buydown Calculator
Estimate savings from a temporary interest rate buydown.
Assumable Mortgage Calculator
Estimate savings from assuming an existing low-rate mortgage.
Portfolio Loan Calculator
Estimate payments on a lender-held portfolio loan.
Non-QM Loan Calculator
Estimate payments on a non-qualified mortgage loan.
🧾 Closing Costs & Fees
9+ CalculatorsClosing Cost Estimator
Estimate total closing costs for your mortgage.
Origination Fee Calculator
Calculate the lender origination fee on your mortgage.
Title Insurance Cost Calculator
Estimate the cost of a title insurance policy.
Appraisal Fee Calculator
Estimate the cost of a home appraisal.
Prepaid Interest Calculator
Calculate prepaid interest due at mortgage closing.
Seller Concession Calculator
Estimate seller-paid closing cost concessions.
Loan Estimate Comparison Calculator
Compare loan estimates from multiple lenders side by side.
Recording Fee Calculator
Estimate government recording fees for a mortgage closing.
Attorney Fee Calculator
Estimate real estate attorney fees for closing.
🏦 Equity & Payoff Strategy
10+ CalculatorsHome Equity Calculator
Calculate how much equity you have in your home.
Extra Mortgage Payment Calculator
Calculate interest saved from making extra mortgage payments.
Mortgage Payoff Timeline Calculator
Estimate how soon you can pay off your mortgage early.
Loan-to-Value Ratio Calculator
Calculate your loan-to-value ratio for refinancing or PMI removal.
PMI Removal Calculator
Estimate when you can request PMI removal on your mortgage.
Bi-Weekly vs Extra Payment Calculator
Compare biweekly payments against a lump extra payment strategy.
Mortgage Acceleration Calculator
Model an accelerated payoff plan for your mortgage.
Home Value Growth vs Mortgage Balance Calculator
Compare projected home value growth against your loan balance.
Cash Flow After Payoff Calculator
Estimate monthly cash flow freed up after your mortgage is paid off.
Break-Even on Points Calculator
Calculate how long it takes discount points to pay for themselves.
Why Use Our Mortgage Calculators?
Whether you're buying your first home, refinancing or paying down your mortgage early, our calculators provide fast, accurate and reliable estimates in seconds.
Instant Results
Get accurate payment and payoff estimates without manual math.
High Accuracy
Reliable formulas based on standard mortgage amortization.
Mobile Friendly
Use every calculator smoothly on desktop, tablet and mobile.
Completely Free
Unlimited calculations with no registration required.
How to Use a Mortgage Calculator
Follow these simple steps for quick and accurate results.
Choose Calculator
Select the mortgage calculator you need from the category list.
Enter Loan Details
Type in your home price, down payment, rate and term.
Add Extras
Include taxes, insurance or extra payments where relevant.
Get Result
Instantly view your calculated mortgage result.
Quick Mortgage Facts
A few concepts our calculators are built around.
28/36 Rule
A common guideline caps housing costs at 28% of income and total debt at 36%.
PMI Threshold
PMI is often required until you reach 20% equity, or 78% loan-to-value.
Front-Loaded Interest
Early mortgage payments go mostly toward interest rather than principal.
Extra Payments
One extra payment a year can shave several years off a 30-year mortgage.
Common Uses of Mortgage Calculators
🏠 Monthly Payments
Estimate principal, interest, taxes and insurance payments.
🏡 Affordability
Check how much house fits your income and debt levels.
🔄 Refinancing
Compare refinance savings against closing costs and break-even time.
📋 Loan Programs
Compare fixed, adjustable, FHA, VA and USDA loan options.
🧾 Closing Costs
Estimate fees, title insurance and prepaid costs at closing.
🏦 Equity & Payoff
Plan extra payments and track equity growth over time.
Frequently Asked Questions
Answers to the most common questions about mortgage calculators.
What is a mortgage calculator?
A mortgage calculator estimates a home loan amount such as your monthly payment, affordability or refinance savings using standard mortgage amortization formulas.
Are these mortgage calculators accurate?
Yes. Our calculators use standard amortization formulas to provide reliable estimates. Actual rates and terms depend on your lender and credit profile.
Can I use these calculators on mobile devices?
Absolutely. Every calculator is fully responsive and works smoothly on smartphones, tablets and desktop computers.
Are these mortgage tools free?
Yes. All mortgage calculators on Calculations.one are completely free to use without registration.
Which mortgage calculator categories are available?
We offer calculators for mortgage payments and amortization, affordability and qualification, refinancing and rate comparison, mortgage types and programs, closing costs and fees, and equity and payoff strategy.
How often are new mortgage calculators added?
We regularly expand our collection by adding new mortgage calculators and improving existing tools.
Own Your Home With Confidence
Explore our growing collection of professional mortgage calculators designed for homebuyers, homeowners and refinancers.