Free Financial Calculators
Plan your finances with our free, no-signup-required tools. Save more, pay off debt faster, and reach financial independence.
All calculations run in your browser. Your data never leaves your device.
Side Hustle Calculator
Find the best side hustle for your skills. 30+ hustles with earnings estimates.
Debt Payoff Calculator
Compare avalanche vs snowball methods. See your debt-free date and interest savings.
FIRE Calculator
Find your financial independence date. Lean, Coast, Fat, and Barista FIRE variants.
Savings Goal Calculator
Plan any savings goal with compound interest. Track progress and get tips.
Compound Interest Calculator
Visualize how your investments grow over time. Compare scenarios and compounding frequencies.
Net Worth Calculator
Add your assets and debts to see your total net worth, financial health score, and breakdown.
Subscription Tracker
Track all your subscriptions in one place. See total monthly cost, category breakdown, and savings.
Mortgage Calculator
Calculate your monthly payment with principal, interest, taxes, insurance, and PMI. Full amortization schedule.
50/30/20 Budget Calculator
Enter your income and get a personalized budget split for needs, wants, and savings. Spending suggestions included.
Loan Calculator
Calculate monthly payments for auto, personal, student, or any loan. See amortization and extra payment savings.
Salary Calculator
Convert between hourly, weekly, biweekly, monthly, and annual pay. See your full income breakdown.
Car Affordability Calculator
Find out how much car you can afford based on your income. Includes insurance, gas, and loan payments.
Retirement Calculator
See if you're on track for retirement. Calculate your nest egg, monthly income, and how long savings last.
Income Tax Calculator
Estimate federal and state income tax. See your effective vs marginal rate and full bracket breakdown.
Investment Returns Calculator
See how your investments grow with compound returns. Stacked charts show contributions vs earnings.
Inflation Calculator
See how inflation erodes your purchasing power over time. Find out how much you'll need in the future.
Why CashCalcs?
Free Forever
No subscriptions, no premium tiers, no hidden fees. Every calculator is completely free.
Pages of Tools
Specialized pages for every debt type, savings goal, FIRE strategy, and side hustle.
Data Collected
All calculations happen in your browser. We never see or store your financial data.
Your Complete Financial Toolkit for 2026
CashCalcs brings together 16 essential financial calculators you need to take control of your money. Whether you are paying off debt, building savings, planning retirement, or looking for ways to increase income, we have a free calculator designed for your specific goal.
Start with our 50/30/20 budget calculator to create a spending plan. Use the debt payoff calculator to compare avalanche vs snowball methods and see your debt-free date. Planning for financial independence? Our FIRE calculator shows exactly when you can retire based on your savings rate. Looking for extra income? The side hustle calculator matches 30+ opportunities to your skills and available time.
Every calculator runs in your browser with zero data collection. No sign-up, no premium tiers, no hidden fees. Just free financial tools that help you make better money decisions in 2026.
Popular Financial Calculators
Debt & Loans
- Debt Payoff Calculator - Compare avalanche vs snowball strategies
- Loan Calculator - Calculate monthly payments for any loan
- Mortgage Calculator - Monthly payment with taxes, insurance, and PMI
Savings & Investments
- Savings Goal Calculator - Plan any goal with compound interest
- Compound Interest Calculator - See how investments grow over time
- Investment Calculator - Calculate returns with contributions
Retirement & FIRE
- FIRE Calculator - Find your financial independence date
- Retirement Calculator - See if you're on track to retire
- Inflation Calculator - Plan for rising costs in retirement
Income & Budgeting
- Budget Calculator - Create a 50/30/20 budget for your income
- Salary Calculator - Convert between hourly and annual pay
- Tax Calculator 2026 - Estimate federal and state income taxes
Financial Guides & Tutorials
Learn Personal Finance from Scratch
9 comprehensive guides covering debt payoff strategies, budgeting, emergency funds, the FIRE movement, investing, mortgages, and more. All free, no sign-up required.
Browse All GuidesFrequently Asked Questions
Are these calculators really free?
Yes, 100% free forever. No sign-up, no premium tiers, no hidden fees. All 16 calculators are completely free to use.
Do you store my financial data?
No. All calculations run in your browser. We never see or store your financial information. Your data never leaves your device.
Which calculator should I use first?
Start with the 50/30/20 budget calculator to understand your income allocation. Then use the debt payoff calculator if you have high-interest debt, or the savings goal calculator to plan your emergency fund.
How accurate are these calculators?
Our calculators use standard financial formulas and up-to-date tax brackets (2026). However, they provide estimates and are not substitutes for professional financial advice. Always consult a financial advisor for personalized guidance.