Investment and Business

ROI, compound interest, NPV, IRR, bonds, options, and more.

Return on Investment (ROI) Calculator

Measure the profitability of an investment.

See how your savings grow over time with compounding.

Estimate how long it takes to double your investment.

Constant/non-constant growth, CAPM, and expected return.

Net Present Value and Internal Rate of Return for cash flows.

Bond prices and yields.

Price stock options.