Free Stock Calculators
for Smarter Investing
Stock-Calculator.com provides powerful yet easy-to-use tools that help investors make informed decisions with confidence. Our stock calculator suite allows you to instantly calculate profits, returns, and portfolio performance using accurate financial formulas. All tools are completely free and require no registration.
Whether you are a beginner learning the basics or an experienced investor refining your strategy, our calculators deliver fast, reliable insights to support smarter investing.
Make Better Investment Decisions with Accurate Calculations
Stock-Calculator.com is designed to remove guesswork from investing. Our tools help you understand how your trades perform, how compounding impacts long-term growth, and how different buying strategies affect returns.
You can calculate stock profits, evaluate long-term growth rates, analyze dividend reinvestment, and determine your average cost per share. Every calculation runs instantly in your browser, and your data is never stored or shared.
Most Popular Stock Calculators
Start calculating with our most widely used investment tools.
Stock Profit Calculator
Our simple stock profit calculator shows exactly how much profit or loss you made on a trade. Enter your buy price, sell price, quantity, and fees to instantly see net returns.
Average Cost Per Share Calculator
This dollar cost average calculator helps investors understand their true average cost when buying shares at different prices over time. Ideal for long-term investing and market volatility planning.
CAGR Calculator
Measure how fast your investment grows annually using compound annual growth rate calculations. This tool helps compare different investment opportunities accurately.
Dividend Reinvestment Calculator
Estimate how reinvesting dividends impacts portfolio growth over time. See the compounding effect of consistent dividend reinvestment.
Stock Split Calculator
Adjust share counts and cost basis after stock splits to understand the real impact on your holdings.
Capital Gains Tax Calculator
Calculate estimated capital gains tax on stock profits to better plan exits and understand after-tax returns.
Why Thousands of Investors Trust Our Calculators
Used by investors worldwide for accurate, instant financial calculations
100 Percent Free Forever
All calculators are completely free with no premium plans or hidden fees.
Accurate Financial Formulas
Each stock calculator is built using verified investment formulas that reflect real-world trading scenarios.
Instant Results
Calculations update in real time as you enter values, with no loading or waiting.
Privacy First
No sign-ups required and no data tracking. All calculations happen directly in your browser.
Calculate Your Investment Returns in 3 Simple Steps
Choose Your Calculator
Browse our full collection of stock and investment calculators based on your needs.
Enter Your Details
Input trade values, prices, or investment data using a simple and clean interface.
Get Instant Results
View accurate calculations with clear breakdowns that are easy to understand.
Start Calculating Smarter Today
Join thousands of investors using Stock-Calculator.com to evaluate trades, plan strategies, and improve investment outcomes with confidence.
View All CalculatorsMake Better Investment Decisions
Track your portfolio performance, calculate returns, and plan your investment strategy using accurate and easy-to-use tools built for investors at every level.
Stock-Calculator.com helps investors stay informed, minimize mistakes, and make data-driven decisions using trusted financial calculations.