Build Your FinancialFoundation
Free calculators and tools to take control of your money — mortgage, investing, retirement, salary, and more. No signup required.
Financial Calculators
Accurate, easy-to-use tools for all your financial calculations
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, and amortization schedule.
📈Compound Interest Calculator
See how your investments grow over time with the power of compound interest.
💳Loan Payoff Calculator
Find out when you'll pay off your loan and how extra payments can save you money.
🏖️Retirement Calculator
Plan your retirement savings and see if you're on track to meet your goals.
💰Salary Calculator
Convert between hourly, weekly, monthly, and annual salary. See take-home pay by state.
⚖️Debt-to-Income Calculator
Calculate your DTI ratio to see if you qualify for a mortgage or loan.
New🚗Auto Loan Calculator
Estimate your monthly car payment with trade-in, down payment, and sales tax.
New💳Credit Card Payoff Calculator
See how long it takes to pay off your credit card and how much interest you'll pay.
📊Net Worth Calculator
Add up your assets and subtract liabilities to see your total net worth.
📉Inflation Calculator
See how inflation erodes your purchasing power over time.
New🎯ROI Calculator
Calculate return on investment and annualized returns for any decision.
New📐Break-Even Calculator
Find how many units to sell to cover costs and start profiting.
New🚀Startup Cost Calculator
Estimate total capital needed to launch your business.
New🍽️Tip Calculator
Calculate tips and split the bill between any number of people.
New🎯Savings Goal Calculator
How long to reach your savings target with monthly contributions and interest.
New🏡Home Affordability Calculator
How much house can you afford? Uses the 28/36 rule with income and debts.
New💵Paycheck Calculator
Estimate take-home pay after taxes, FICA, 401(k), and insurance deductions.
Guides & Resources
Expert-written guides to help you make better financial and business decisions
How to Start an LLC
Complete step-by-step LLC formation guide with costs for all 50 states.
📈Investing for Beginners
Learn how to start investing with stocks, bonds, ETFs, and index funds.
🚀Business Startup Costs
How much does it cost to start a business? Average costs by industry.
💳How to Pay Off Debt
Snowball vs avalanche methods to pay off debt and save on interest.
💰Salary by State
Compare average salaries, cost of living, and tax rates across all 50 states.
🏙️Salary by City
Compare salaries and purchasing power across 50 major US cities.
📋Budgeting Guide
Master the 50/30/20 rule and take control of your money.
Why Use Our Calculators?
100% Free
No signup, no hidden fees. All tools are completely free to use.
Accurate Results
Built by financial professionals with verified calculation formulas.
Private & Secure
All calculations happen in your browser. We never store your data.