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ROI Calculator
Screenshot of the ROI calculator interface
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Screenshot of the Ultimate Financial Calculator interface

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Accurate ROI Calculator

Return-on-Investment

For reference, per the Wall Street Journal, the U.S. S&P 500 index gained about 23% in 2024.

This ROI calculator (return-on-investment) calculates an annualized ROR (rate-of-return) using exact dates. This financial calculator allows you to compare the results of different investments.

The Calculator-Calculate the Return on Investment Between Dates


To set your preferred currency and date format, click the “$ : MM/DD/YYYY” link in the lower-right corner of any calculator.

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$ : MM/DD/YYYY
Click to make smaller (-) or larger (+).
Date selection via pop-up calendar

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Pick a Date

As a side benefit of this calculator’s date accuracy, you can also use it for date math calculations. It will calculate the date that is “X” days from the start date, or, given two dates, it will calculate the number of days between them.

Calendar Tip: When using the calendar, click the month at the top to list months. Then, if needed, click the year at the top to list years. Click to select a year, select a m