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Free Financial Calculators
31 free tools to help you make smarter decisions about investing, retirement planning, loans, taxes, and business. No signup required.
Investing Tools
Compound Interest Calculator
See how your investments grow over time with the power of compounding.
Investment Return Calculator
Calculate total return, CAGR, and compare your performance against the S&P 500.
Roth IRA Calculator
Compare Roth vs Traditional IRA tax-free growth projections.
DCA Calculator
Compare dollar cost averaging vs lump sum investing strategies.
Options Profit Calculator
Visualize P/L diagrams and Greeks for calls and puts.
Position Size Calculator
Determine the right position size based on your risk tolerance.
Planning Tools
401(k) Calculator
Project retirement growth with employer match, salary increases, and compound returns.
Retirement Calculator
Plan your retirement savings with employer match, salary growth, and drawdown projections.
Net Worth Calculator
Track your total assets and liabilities to see your complete financial picture.
Budget Calculator (50/30/20)
Allocate your income across needs, wants, and savings using the 50/30/20 rule.
Social Security Calculator
Estimate your Social Security benefits based on claiming age and earnings.
Savings Goal Calculator
Calculate how long it takes to reach your savings target with monthly contributions.
Inflation Calculator
See how inflation erodes purchasing power over time with historical CPI data.
FIRE Calculator
Calculate your path to financial independence and early retirement.
Financial Health Dashboard
Get a comprehensive wellness score across savings, debt, and investments.
Loans & Taxes
Mortgage Calculator
Calculate monthly payments with taxes, insurance, PMI, and amortization schedule.
Auto Loan Calculator
Calculate monthly payments, total interest, and total cost for your auto loan.
Paycheck Calculator
Estimate your take-home pay after federal, state taxes, and deductions.
Loan Payoff Calculator
See how extra payments can save you thousands in interest and years off your loan.
Credit Card Payoff Calculator
See how extra payments accelerate your credit card payoff and save interest.
Home Affordability Calculator
Find out how much house you can afford based on income and DTI limits.
Capital Gains Tax Calculator
Estimate federal and state taxes on your investment gains.
Rent vs Buy Calculator
Compare the long-term financial impact of renting versus buying a home.
Debt-to-Income Calculator
Calculate your DTI ratio and see if you qualify for a mortgage.
Business Loan Calculator
Calculate monthly payments, total interest, and origination fees for business loans.
Sales Tax Calculator
Calculate sales tax on any purchase or extract tax from a total price.
Business Tools
Profit Margin Calculator
Calculate gross margin, net margin, and markup percentage for your business.
Break-Even Calculator
Find the exact point where revenue covers all costs and profit begins.
ROI Calculator
Calculate return on investment, annualized returns, and net profit.
Invoice Generator
Create professional invoices with line items, tax, and discount. Print or save as PDF.
Discount Calculator
Calculate sale price, savings, and final cost after a percentage discount.