Investment and Business

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

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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.