About Mortgage Calc Tools
Why this site exists
We built Mortgage Calc Tools because buying a home is the biggest financial decision most people will ever make, and the math shouldn't be a mystery. When we were shopping for our first mortgage, we wanted straightforward calculators that showed exactly how different scenarios would play out — without lead-generation forms, email walls, or sales pitches for specific lenders.
Most "mortgage calculators" online exist to capture your contact information and sell it to loan officers. They hide the full picture, ask for your phone number before showing results, or only show you the monthly payment without explaining the total cost. We believe mortgage math should be transparent, free, and independent.
What we believe
Calculators should show the full picture. Every calculator on this site displays a complete breakdown — monthly payment, total interest, amortization details, and comparison scenarios. We never hide results behind sign-up walls.
Free means free. No accounts, no email gates, no upsells. Our calculators run entirely in your browser — your financial data never touches our servers. We fund the site through advertising.
Honesty about limitations. Mortgage calculators use simplified models. Real mortgage terms include variable closing costs, PMI thresholds, escrow requirements, and lender-specific fees. We state these limitations clearly rather than presenting estimates as guarantees.
Education over products. We don't sell mortgages, recommend specific lenders, or receive referral commissions. Our articles explain concepts; they don't push products.
What we are not
We are not mortgage brokers, real estate agents, or licensed financial advisors. Nothing on this site is mortgage advice or a recommendation to buy, sell, or refinance. Our calculators are mathematical tools that apply standard mortgage formulas to the numbers you enter. They cannot account for your specific credit situation, local market conditions, lender requirements, or financial goals.
If you are making decisions about buying a home, refinancing, or taking on a mortgage — please consult a qualified mortgage professional. Our calculators give you a framework for understanding the numbers, but they are not a substitute for professional guidance.
Our calculators
Mortgage Payment Calculator — calculates your monthly mortgage payment including principal, interest, property taxes, and homeowners insurance for any loan amount and term.
Refinance Calculator — compares your current mortgage to a new loan to determine monthly savings, break-even point, and total interest saved over the remaining term.
Home Affordability Calculator — estimates the maximum home price you can afford based on your income, debts, down payment, and target debt-to-income ratio.
Amortization Schedule Calculator — generates a detailed year-by-year and month-by-month breakdown showing how each payment splits between principal and interest over the life of your loan.
Down Payment Calculator — calculates how long it will take to save your target down payment based on your current savings, monthly contributions, and savings rate.
Rent vs Buy Calculator — compares the true cost of renting versus buying over a specified time horizon, accounting for home appreciation, investment returns, tax benefits, and maintenance costs.
How the site is funded
Mortgage Calc Tools is funded through advertising via Google AdSense. We don't charge for calculators, sell user data, or accept paid placements that could bias our content.
Contact
Found a bug, have a calculator request, or want to report an error? Email [email protected].