Free Online Calculators
Fast, accurate, and private. All 22 calculators run entirely in your browser โ your data never touches our servers.
Mortgage Calculator
Calculate your monthly mortgage payment including principal, interest, taxes, and insurance (PITI). See the full amortization schedule.
Mortgage Amortization Calculator
View the complete amortization schedule for any mortgage. See exactly how each payment is split between principal and interest, year by year.
House Affordability Calculator
Find out how much house you can afford based on your income, debts, and down payment. Uses the 28/36 DTI rule used by mortgage lenders.
Rent Calculator
Calculate your true total cost of renting including utilities, insurance, parking, and fees. See 10-year projections with annual rent increases.
Rent vs. Buy Calculator
Compare the true financial cost of renting versus buying a home over time. Find your break-even year and net cost difference.
Loan Calculator
Calculate monthly loan payments, total interest, and view a full amortization schedule for any loan amount.
Rental Property Calculator
Analyze a rental property investment. Calculate monthly cash flow, cash-on-cash return, cap rate, and gross rent multiplier using real expenses.
Real Estate Calculator
Calculate real estate ROI, home appreciation, equity growth, and total profit on a property sale. Includes optional rental income analysis.
FHA Loan Calculator
Calculate FHA loan payments including upfront and annual Mortgage Insurance Premium (MIP). See the true monthly cost for low-down-payment buyers.
VA Mortgage Calculator
Calculate VA loan payments and funding fee for veterans and active-duty service members. No PMI required โ see how much you save vs a conventional loan.
Home Equity Loan Calculator
Calculate how much you can borrow against your home equity. See monthly payments, CLTV ratio, and total cost for a fixed-rate second mortgage.
HELOC Calculator
Calculate your Home Equity Line of Credit limit, draw-period interest-only payments, and repayment-period P&I payments. See CLTV, max credit line, and total interest across both phases.
Down Payment Calculator
Calculate how much you need for a down payment and closing costs. See PMI costs, loan-type minimums (FHA, VA, conventional), and a savings timeline to reach your goal.
Refinance Calculator
Find out if refinancing your mortgage makes sense. Compare monthly savings, break-even point, and lifetime interest savings against closing costs.
Mortgage Payoff Calculator
See how extra monthly payments or a lump sum can accelerate your mortgage payoff. Calculate interest saved and years cut from your loan term.
Mortgage Calculator UK
UK mortgage calculator with Stamp Duty Land Tax (SDLT), LTV, repayment vs interest-only, and arrangement fees. First-time buyer and buy-to-let rates included.
BMI Calculator
Calculate your Body Mass Index (BMI) using metric or imperial units. Get your weight category and healthy weight range.
Calorie Calculator
Calculate your daily calorie needs using the Mifflin-St Jeor formula. Find your BMR and TDEE for weight loss or gain.
Why millions choose CalculatorFree
100% Private
All calculations happen in your browser. No data is ever sent to a server.
Instant Results
Real-time calculations as you type. Zero loading, zero waiting.
Always Free
No sign-up, no paywall, no hidden fees โ ever.
Verified Accurate
Formulas verified against IRS, WHO, and academic standards.