Calculator library

Choose the calculator that matches your investing question.

Start with manual-input calculators that work for any stock, mutual fund, or ETF. API auto-fill can be added later without blocking the core calculation experience.

Stocks

Stocks calculators

Use free stock market calculators for profit/loss, average price, brokerage charges, dividends, valuation ratios, risk management, portfolio analysis, options, and futures.

  • Profit, return, and price planning
  • Valuation, dividends, and portfolio risk
  • Options, futures, and trading charges

Guides

Need help choosing the right calculator?

Use these guides to understand formulas, assumptions, and common mistakes before calculating.

Stock profit guide Profit, ROI, fees, and break-even basics. SWP guide Plan withdrawals and corpus sustainability. Expense ratio guide See how fund costs affect long-term value.
Stocks

Trading, investing, valuation, and portfolio calculators.

Profit, return, and pricing

Trading charges and execution

Risk and position management

Corporate actions

Dividend calculators

Valuation and fundamentals

Portfolio and risk analytics

Derivatives