Free Personal Finance Calculators
Free personal finance calculators — no signup, no ads, just the numbers you need.
Compound Interest Calculator
See exactly how your money grows over time with the power of compounding. Enter your starting balance, monthly contributions, interest rate, and time horizon — and watch your future wealth build year by year.
- Year-by-year growth breakdown
- Inflation-adjusted final value
- Works for savings, investments & retirement planning
Building wealth isn't just personal — if you own a business, that's an asset too. See what it's actually worth with our Business Valuation Calculator.
Use the Calculator →Budget Calculator (50/30/20 Rule)
Enter your monthly take-home income and instantly see how to split it across needs, wants, and savings using the proven 50/30/20 framework. Get a personalized verdict on whether your current spending is on track.
- Needs / wants / savings breakdown
- Personalized budget verdict
- Simple starting point for any income
Once your personal budget is dialed in, the next question is often bigger: what's your business worth? Find out with our Business Valuation Calculator.
Use the Calculator →Retirement Calculator
Find out exactly how much you need to retire — and whether you're on track to get there. Enter your age, savings, and income target to get your personal retirement number using the proven 25x rule.
- Your retirement number (25x rule)
- Projected savings vs. gap analysis
- Year-by-year growth table
If a business is part of your retirement plan — whether you're building one to sell or already own one — knowing its current value matters. Run the numbers with our Business Valuation Calculator.
Use the Calculator →Can I Afford It? Calculator
Run the real numbers before you commit to a big purchase. Pick your category — car, home, vacation, appliance, tech, or anything else — enter your income, expenses, and savings, and get a straight green, yellow, or red verdict with a plain-English explanation of what it means for your budget.
- 6 purchase categories with adapted inputs
- Green / yellow / red affordability verdict
- Emergency fund, breathing room & cost vs. income breakdown
Sizing up a home purchase? Start with where the market is right now — check today's mortgage rates, then see what your business is worth with our Business Valuation Calculator.
Use the Calculator →Current Mortgage Rates — Live
See this week's national average 30-year and 15-year fixed mortgage rates, straight from the Freddie Mac Primary Mortgage Market Survey. Updated automatically every week — with an 8-week trend so you can see which way the market is moving.
- Live 30-year & 15-year fixed averages
- Week-over-week change at a glance
- Plain-English guide to what moves rates — and how to beat the average
Rates tell you the market — your budget tells you the truth. Stress-test the full monthly payment with our Can I Afford It? Calculator.
See Today's Rates →Business Valuation Calculator
Wondering what your business is actually worth? Enter your revenue, profit, and as much detail as you know — our calculator runs up to four valuation methods (SDE, EBITDA, asset-based, and revenue multiple) and gives you a real estimated value range, not just a single guess.
- 4 valuation methods calculated simultaneously
- Progressive accuracy — the more you enter, the tighter your range
- Personalized insights on what's driving your number
Curious about other money moves? Check out our Can I Afford It? Calculator before your next big purchase, or run the long-term numbers with our Compound Interest Calculator.
Use the Calculator →More Calculators Coming Soon
We're building more free tools to help you make smarter money decisions — debt payoff, net worth tracker, savings rate calculator, and more.