Financial Calculators
Free tools to help you plan savings, compare loans, and understand your finances.
Our 41 financial calculators cover every aspect of personal finance — from mortgage payments and compound interest to federal income tax and retirement planning. Every formula is verified against IRS publications, Federal Reserve data, and standard financial industry calculations. All tools are free, require no sign-up, and run privately in your browser. Updated for 2026 tax brackets and contribution limits.
Compound Interest Calculator
Calculate how your savings grow over time with compound interest. See the power of compounding with visual charts.
Loan Amortization Calculator
Generate a full loan amortization schedule. See monthly payments, interest breakdown, and payoff timeline.
Take-Home Pay Calculator
Estimate your net pay after federal and state taxes, Social Security, and Medicare deductions.
Mortgage Calculator
Calculate monthly mortgage payments including principal, interest, taxes, and insurance. Compare loan terms.
Retirement Savings Calculator
Plan your retirement by projecting savings growth. See if you are on track for your retirement goals.
Savings Goal Calculator
Find out how much you need to save each month to reach your financial goal by your target date.
Auto Loan Calculator
Calculate monthly car payments, total interest, and compare different auto loan terms and rates.
Paycheck Calculator
Estimate your paycheck after taxes and deductions. Calculate hourly, weekly, biweekly, and monthly take-home pay.
Inflation Calculator
Calculate the impact of inflation on purchasing power over time. See how prices change with CPI data.
Tax Calculator
Estimate your federal income tax for 2025. See your effective tax rate, marginal bracket, and tax breakdown.
Investment Calculator
Project investment growth with regular contributions. Compare different strategies with compound returns.
Credit Card Payoff Calculator
Find out how long it takes to pay off credit card debt. Compare minimum payments vs fixed monthly payments.
Debt-to-Income Calculator
Calculate your debt-to-income ratio to see where you stand for mortgage and loan approvals.
Net Worth Calculator
Calculate your total net worth by listing all assets and liabilities. Track your financial health over time.
Home Affordability Calculator
Find out how much house you can afford based on income, debts, down payment, and interest rate.
Rent vs Buy Calculator
Compare the true cost of renting versus buying a home over time. See which option builds more wealth.
Margin Calculator
Calculate profit margin, markup, and revenue from cost and selling price. Supports gross and net margin.
Crypto Profit Calculator
Calculate cryptocurrency investment profit or loss. Enter buy and sell prices to see your returns and ROI.
401(k) Calculator
Estimate your 401(k) balance at retirement. Factor in contributions, employer match, salary growth, and investment returns.
Student Loan Calculator
Calculate monthly student loan payments, total interest, and payoff timeline. Compare repayment plans.
Refinance Calculator
See how much you could save by refinancing your mortgage. Compare old vs new loan terms and break-even point.
ROI Calculator
Calculate return on investment from initial cost and final value. See annualized ROI and total gain or loss.
Down Payment Calculator
Calculate how much to save for a home down payment. See monthly savings goals and PMI thresholds.
Capital Gains Tax Calculator
Estimate capital gains tax on stocks, real estate, or other investments. Short-term vs long-term rates.
Break-Even Calculator
Calculate your business break-even point in units and revenue. Find contribution margin and safety margin.
Rental Yield Calculator
Calculate gross and net rental yield, cap rate, and NOI for investment properties.
DCA Calculator
Calculate dollar-cost averaging returns. See how regular monthly investments grow with compound returns.
Payroll Tax Calculator
Estimate federal income tax, Social Security, Medicare, and state tax from your salary.
FIRE Calculator
Calculate your Financial Independence number, years to retire early, and savings rate with the 4% rule.
Estate Tax Calculator
Estimate federal and state estate taxes, exemptions, and effective tax rates for estate planning.
Business Loan Calculator
Calculate monthly payments, total interest, and amortization schedule for business loans and SBA loans.
Debt Payoff Calculator
Compare snowball and avalanche methods to pay off multiple debts. See payoff timeline, total interest, and the best strategy.
Mortgage Amortization Calculator
Generate a full mortgage amortization schedule. See monthly principal and interest breakdown over the life of your loan.
Car Lease Calculator
Calculate monthly car lease payments, total lease cost, and compare leasing vs buying with a detailed cost breakdown.
Rent Affordability Calculator
Find out how much rent you can afford based on income, debts, and savings goals using the 30% rule and other methods.
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