Investment Tools

Free calculators and tools to help you make smarter investment decisions.

Investment Calculator

Compound growth projector

Calculate compound growth and see how your investments could grow over time with regular contributions.

  • Project future portfolio value with compound interest
  • Model different contribution frequencies (monthly, yearly)
  • Visualize growth with interactive charts
  • Compare scenarios with different return rates
Try it free

Dividend Calculator

Income estimator

Estimate your annual dividend income based on your portfolio value and dividend yield.

  • Calculate annual, quarterly, and monthly income
  • Model dividend reinvestment scenarios (DRIP)
  • Project income growth over time
  • Plan for passive income goals
Try it free

Stock Comparison Tool

Side-by-side analysis

Compare two stocks side-by-side. Analyze key metrics, valuations, and performance.

  • Compare P/E ratio, market cap, and dividend yield
  • Side-by-side financial metrics
  • Historical performance comparison
  • Sector and industry context
Try it free

Risk Assessment Quiz

Find your investor profile

Discover your investor profile and get personalized portfolio allocation recommendations.

  • Quick 5-minute assessment
  • Determine your risk tolerance level
  • Get suggested asset allocation
  • Understand your investing personality
Take the quiz

Retirement Calculator

Plan Your Future

Project your retirement savings and see if you're on track to meet your goals with our comprehensive retirement planner.

  • Project savings growth over time
  • Calculate 4% rule monthly income
  • Track progress toward your goal
  • Adjust for inflation impact
Calculate Now

FIRE Calculator

Financial Independence

Calculate your path to Financial Independence, Retire Early with Lean FIRE, Regular FIRE, Fat FIRE, and Coast FIRE numbers.

  • Calculate all FIRE milestones
  • Years to each FIRE level
  • Savings rate analysis
  • Coast FIRE calculation
Calculate FIRE Numbers

Position Size Calculator

Risk Management

Calculate optimal position sizes based on your account size, risk tolerance, and stop-loss levels for smarter trading.

  • Calculate shares based on risk %
  • Risk/reward ratio visualization
  • Max dollar risk per trade
  • Stop-loss optimization
Calculate Position Size

Profit/Loss Calculator

Trade Analysis

Calculate potential profit or loss for long and short positions with break-even analysis and what-if scenarios.

  • Long & short position P/L
  • Break-even price calculation
  • What-if price scenarios
  • Include commission costs
Calculate P/L

How It Works

Get insights in three simple steps.

1

Choose a Tool

Select the calculator or tool that fits your needs.

2

Enter Your Data

Input your numbers — we never store personal financial data.

3

Get Insights

See projections, comparisons, and recommendations instantly.

When to Use Each Tool

Find the right calculator for your situation.

Planning for Retirement

Use the Investment Calculator to project how your 401(k) or IRA could grow over 20-30 years with regular contributions.

Building Passive Income

Use the Dividend Calculator to estimate how much income your portfolio could generate from dividend-paying stocks.

Choosing Between Stocks

Use the Stock Comparison Tool to analyze two investments side-by-side before deciding.

Understanding Your Style

New to investing? Take the Risk Assessment Quiz to understand what kind of investor you are.

Frequently Asked Questions

Our calculators use standard financial formulas and are designed to give you a realistic projection. However, actual investment returns vary and past performance does not guarantee future results.
No. All calculations happen in your browser. We do not store or transmit any numbers you enter into our calculators.
These tools are for educational purposes and general guidance. For personalized financial planning, consult a licensed financial advisor.
We believe everyone should have access to quality investment education tools. StockLrn is supported by affiliate partnerships with brokers.

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