Free Financial Calculators for Smarter Money Decisions
Calculate loans, mortgages, retirement savings, investment returns, debt payoff plans, budgets and financial goals — instantly, accurately and privately in your browser.
Browse by category
Savings & Investments
Grow wealth with compound interest, investment return, dividend and savings-goal tools.
ExploreRetirement
Plan retirement savings, 401(k) growth, FIRE targets and emergency funds.
ExploreLoans & Debt
Model mortgages, car loans, credit cards and debt payoff strategies.
ExploreBudget & Income
Build budgets, estimate taxes, track net worth and convert salary to hourly pay.
ExploreMost popular calculators
View all 20Compound Interest Calculator
See how your money grows over time with compounding and regular contributions.
Investment Return Calculator
Measure total return, profit and annualized (CAGR) return on an investment.
Savings Goal Calculator
Find the monthly contribution needed to reach a savings goal by a target date.
Retirement Savings Calculator
Project your retirement nest egg and see any surplus or shortfall.
FIRE Retirement Calculator
Find your Financial Independence number and years until you can retire early.
Mortgage Calculator
Estimate your full monthly mortgage payment including taxes, insurance and PMI.
Credit Card Interest Calculator
See how long a credit card balance takes to pay off and what it truly costs.
Net Worth Calculator
Add up assets and liabilities to find your total net worth.
Budget Planner
Build a monthly budget and see your surplus, savings rate and spending breakdown.
How the calculators work
Instant, in-browser math
Every calculation runs locally the moment you type — no waiting, no servers, no data leaving your device.
Private by design
Your inputs are saved only in your own browser via local storage. There are no accounts and no tracking of your numbers.
Built for every screen
Large inputs, readable charts and collapsible tables make each tool easy to use on desktop, tablet and mobile.
Financial disclaimer: Results are estimates for educational purposes only and are not professional financial, tax, legal or investment advice. Figures may not reflect your exact situation. Consult a qualified professional before making financial decisions.