Investment Calculators
Estimate return, growth rate, dividend yield, average cost and doubling time with transparent formulas.
Investment ROI CalculatorNet gain and return percentage.CAGR CalculatorAnnualized growth rate.Rule of 72 CalculatorQuick doubling-time estimate.Dividend Yield CalculatorDividend income as a percent of price.Average Cost CalculatorTotal spent divided by units.Compound InterestProject savings growth over time.
Calculation playbooks
Investment calculators are estimates, so the formula and assumptions matter.
Compound Interest and Savings Growth
Long-form guide to compounding, savings goals, Rule of 72, fees and risk.
Investment Returns Playbook
ROI, CAGR, compounding, fees and shortcuts.
Try Crypto Tools
Profit, market cap, staking and position sizing.
Try Money Tools
Budgeting, percentages and savings calculators.