Finance Calculators
Mortgages, loans, investments, taxes, and budgeting
Make informed financial decisions with our suite of free, interactive financial calculators. Whether you're purchasing your first home, estimating monthly car payments, planning long-term retirement savings, or building a monthly household budget, our calculators provide precise mathematical breakdowns instantly. Each tool calculates exact figuresβincluding interest amortization, property tax estimates, PMI, compound interest earnings, and sales tax adjustmentsβwithout requiring account sign-ups or personal data input. Use these financial tools to run scenario comparisons, optimize payment schedules, and understand the exact formulas behind your money.
Available Finance (22)
Mortgage Calculator
Calculate monthly mortgage payments, property taxes, insurance, PMI, extra payments, and full amortization schedules.
Auto Loan Calculator
Calculate monthly car payments, total interest, sales tax, trade-in allowances, and full loan amortization schedules.
Retirement Calculator
Estimate how much money you need to retire, required monthly savings, sustainable withdrawals, and drawdown timelines.
Loan Calculator
Calculate monthly loan payments, total interest, deferred lump sums, and bond present values with custom compounding frequencies.
Budget Calculator
Plan your personal budget, track 9 expense categories across 30+ line items, calculate your DTI ratio, and compare spending against benchmarks.
Compound Interest Calculator
Calculate future investment value, total interest earned, Rule of 72 doubling time, and convert interest rates across compounding frequencies.
Currency Calculator
Convert currencies with live exchange rates, manual exchange rate overrides, and popular currency pair tables.
Sales Tax Calculator
Calculate sales tax amounts, before-tax prices, and final prices with 50-state tax rate lookups.
Payment Calculator
Calculate monthly loan payments, total interest, or solve for payoff duration with extra payments.
Amortization Calculator
Generate annual and monthly loan amortization schedules with extra prepayments and interest savings.
401(k) Calculator
Project retirement nest egg growth, 2026 IRS contribution caps, employer matching, and 4% rule retirement income.
Credit Card Calculator
Calculate credit card payoff timelines, interest charges, and see the financial trap of paying only minimums.
Credit Card Payoff Calculator
Plan the payoff of multiple credit cards using Debt Avalanche and Debt Snowball rollover strategies.
Debt Payoff Calculator
Consolidate multiple debts (credit cards, auto, personal loans) into a unified avalanche or snowball payoff plan.
Student Loan Calculator
Calculate monthly student loan payments, standard vs graduated plans, and extra prepayment interest savings.
Debt-to-Income (DTI) Ratio Calculator
Calculate Front-End and Back-End DTI ratios and evaluate 28/36 mortgage underwriting benchmarks.
Personal Loan Calculator
Calculate monthly personal loan payments, origination fee deductions, and solve for true effective APR.
Refinance Calculator
Compare current and refinanced mortgages side-by-side to calculate monthly payment savings and breakeven horizons.
Rent vs. Buy Calculator
Compare 30-year total housing costs, equity accumulation, and the opportunity cost of investing market returns.
House Affordability Calculator
Estimate maximum home purchasing power based on household income, debts, down payment, and DTI limits.
Down Payment Calculator
Calculate required upfront cash, closing costs, and evaluate PMI impact across down payment tiers.
Salary Calculator
Convert wages between hourly, daily, weekly, bi-weekly, monthly, and annual amounts with PTO adjustments.