Financial Calculator Center
Professional-grade calculators for investing, trading, options income, and retirement planning — with instant results and interactive charts.
Investing & Growth
Compound Interest
See how your money grows over time with compound interest, monthly contributions, and inflation adjustment.
Investment Return
Calculate your total return, annualized return, and CAGR accounting for deposits and withdrawals.
CAGR
Calculate the compound annual growth rate (CAGR) between any beginning and ending value.
Dollar Cost Averaging
Project the growth of regular monthly investments with the dollar-cost-averaging strategy.
Dividends
Trading
Position Size
Calculate exactly how many shares to buy based on your account size, risk percentage, entry, and stop loss.
Risk / Reward
Calculate the risk, reward, R-multiple, and risk-reward ratio for any trade setup.
Stock Profit
Calculate your net profit and percentage return on a stock trade including commissions and dividends.
Average Cost
Calculate your average cost per share, total shares, and total cost basis across multiple purchases.
Options Income
Covered Call
Calculate maximum profit, breakeven, downside protection, and annualized return for covered calls.
Cash Secured Put
Calculate max profit, breakeven, return on capital, and annualized return for cash-secured puts.
Wheel Strategy
Model a full wheel cycle: cash-secured put premium, assignment cost basis, then covered call income.
Credit Spread
Calculate max profit, max loss, breakeven, and return on risk for put and call credit spreads.
Debit Spread
Calculate max profit, max loss, breakeven, and return for call and put debit spreads.
Loans & Taxes
Personal Finance
⭐ Featured
Compound Interest
See how your money grows over time with compound interest, monthly contributions, and inflation adjustment.
Open calculatorDollar Cost Averaging
Project the growth of regular monthly investments with the dollar-cost-averaging strategy.
Open calculatorFIRE
Calculate your FIRE number and how many years until you reach financial independence.
Open calculatorDividend Reinvestment
See how automatically reinvesting dividends compounds your share count and portfolio value over time.
Open calculatorPosition Size
Calculate exactly how many shares to buy based on your account size, risk percentage, entry, and stop loss.
Open calculatorNet Worth
Add up your assets and liabilities to calculate your total net worth, with a visual breakdown.
Open calculatorCovered Call
Calculate maximum profit, breakeven, downside protection, and annualized return for covered calls.
Open calculatorMortgage
Calculate your monthly mortgage payment, total interest, and full amortization schedule with taxes and insurance.
Open calculator