Investing
Calculators.
Free precision tools — no signup.
Rule of 72
Estimate how long it takes to double your investment
Simple Interest
Calculate simple interest earnings on savings or loans
Compound Interest
Project investment growth with compound interest over time
Future Value Calculator
Project investment growth to a future date with contributions, solve for rate, time, or PMT
ROI Calculator
Calculate return on investment and compare asset performance
APY vs APR
Convert between APY and APR across compounding frequencies
Inflation Calculator
See how inflation erodes purchasing power over time
CAGR Calculator
Calculate compound annual growth rate for investments
CD Calculator
Calculate CD interest earnings and maturity value
Bond Yield Calculator
Calculate bond yield to maturity and current yield
IRR Calculator
Calculate internal rate of return for investment projects
NPV Calculator
Calculate net present value and evaluate project profitability
Present Value Calculator
Discount future cash flows to today's dollars using time value of money — lump sum, annuity, and multi-period cash flow modes
Annuity Calculator
Calculate annuity payments and retirement income stream
Dividend Yield Calculator
Calculate dividend yield and reinvestment growth
DRIP Calculator
Model dividend reinvestment with share growth, yield on cost, and annual income
Mutual Fund Calculator
Model mutual fund growth and see how expense ratios erode long-term returns
Portfolio Diversification Calculator
Analyze portfolio risk, return, and Sharpe ratio
Gold Investment Calculator
Calculate ounces, effective cost, projected value, and annual return on gold