Free Stock Calculators
for Smarter Investing
Calculate profits, returns, and portfolio performance instantly with professional-grade tools. No registration required.
Stock Calculator provides free tools to help you make better investment decisions. Our stock profit calculator shows exactly how much you gain or lose on trades, while our CAGR calculator reveals your true annual returns over time.
Calculate your average cost per share when buying stocks at different prices. See how dividend reinvestment grows your portfolio through compounding. Figure out the right position size based on your risk tolerance. All calculations happen instantly as you type.
Every stock calculator includes the formula used and explains what the numbers mean. No signup needed. Your data never leaves your browser. Whether you trade daily or invest long term, these tools help you understand your returns and make smarter choices.
Most Popular Stock Calculators
Start calculating with our most-used investment tools
Stock Profit Calculator
Calculate profits, losses, and returns on stock trades instantly
Average Cost Per Share Calculator
Determine your average cost per share with dollar-cost averaging
CAGR Calculator
Calculate compound annual growth rate for investments
Dividend Reinvestment Calculator (DRIP)
Model DRIP strategy and compound dividend growth
Stock Split Calculator
Adjust shares and cost basis after stock splits
Capital Gains Tax Calculator
Calculate capital gains tax on your stock profits
Why Thousands of Investors Trust Our Calculators
Used by investors worldwide for accurate, instant financial calculations
100% Free Forever
No hidden fees or premium tiers. All calculators completely free.
Accurate Formulas
Verified calculations you can trust for investment decisions.
Instant Results
Real-time calculations as you type. No waiting around.
Privacy First
No registration required. Your data stays private.
Calculate Your Investment Returns in 3 Simple Steps
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Input your investment information in the simple form
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