Free financial calculators to help you make smarter money decisions. Instant results, no login required.
- Loan Calculator — Monthly payment for any loan
- Mortgage Calculator — Monthly payment & total interest
- Compound Interest Calculator — Grow your savings
- Salary Calculator — Hourly to annual income
- Percentage Calculator — Fast percentage calculations
- Discount Calculator — How much do you save?
- Tip Calculator — Calculate tip and split the bill
- Profit Margin Calculator — Calculate gross profit margin instantly
- Inflation Calculator — US CPI 1913-2025: see how purchasing power has changed over time.
- Currency Converter — Convert between 150+ world currencies using live exchange rates.
- Paycheck Calculator by State — 2025 take-home pay after federal and state taxes, FICA, and deductions.
Profit Margin Calculators
Everything you need to calculate and understand profit margins for your business:
High-Value Financial Tools
Advanced calculators for major financial decisions — from refinancing your mortgage to planning for retirement.
- Home Equity Calculator — Find out how much of your home you truly own and your loan-to-value ratio.
- Refinancing Calculator — Compare your current mortgage with a new loan to see your monthly savings and break-even point.
- 401k Retirement Calculator — Project your retirement savings with compound growth and employer matching.
- Debt Payoff Snowball Calculator — Map out your path to becoming debt-free using the snowball method.
- Break-Even Calculator — Find the exact sales volume you need to cover costs and start generating profit.
- ROI Calculator — Calculate the return on any investment, including annualized ROI for multi-year periods.
Essential Financial Calculators
Tools for everyday financial decisions — from calculating your true loan cost to estimating taxes and tracking your wealth.
- APR Calculator — Calculate the true annual cost of any loan, including fees — so you can compare offers accurately.
- Debt-to-Income Ratio Calculator (DTI) — Find out your DTI ratio and whether you qualify for a mortgage or personal loan.
- Credit Card Payoff Calculator — See your exact payoff date, total interest, and a month-by-month repayment schedule.
- Net Worth Calculator — Add your assets and liabilities to get a complete snapshot of your financial health, with US benchmarks by age.
- Self-Employment Tax Calculator 2025 — Estimate SE tax, federal income tax, and quarterly payments for freelancers and 1099 workers.
- Down Payment Calculator — Compare 3%–30% down payment options side by side with monthly payments, PMI, and total interest.
- Tip for Two Calculator — Split a restaurant bill perfectly for a dinner date
- Mortgage Affordability Calculator — How much house can you afford?
- Compound Interest with Contributions — Watch your savings grow
- Paycheck Calculator — Estimate your take-home pay