Dividend Reinvestment (DRIP) Calculator

Enter your starting share count and price, a fixed annual dividend yield, an assumed annual price growth rate, the investment horizon, and the payment frequency. The result shows the shares accumulated, dividends reinvested, future share price, final holding value, and total return. It is designed for transparent scenario planning rather than prediction, so every result follows the rates you supply.

Understand what the DRIP projection represents

A dividend reinvestment plan, commonly called a DRIP, uses each dividend payment to purchase additional shares instead of paying cash out to the investor. Those new shares can receive later dividends, creating a compounding effect in the share count even when no new money is contributed. This calculator begins with the number of shares and market price you enter. It then divides the annual dividend yield into equal payments, increases the price at an equivalent periodic growth rate, calculates the dividend on all shares currently held, and reinvests that amount at the current projected price. Fractional shares are allowed, because many modern reinvestment programs support them and because rounding every purchase to whole shares would systematically understate growth. The result separates the starting and ending share counts, starting and ending prices, cumulative cash dividends reinvested, final value, and total return. It therefore makes two sources of change visible: the assumed movement in the security's price and the expanding ownership created by reinvestment. This is a mathematical scenario, not a forecast or a recommendation to buy a particular security.

How yield, price growth, and payment frequency interact

The annual dividend yield is treated as fixed and is applied in equal portions at the payment frequency you choose. For quarterly dividends, one fourth of the annual yield is applied at each of four period ends. The effective annual price growth rate is converted into a matching periodic rate, so four quarterly price steps compound to the annual assumption. At each period end, price growth is applied before that period's dividend is calculated and reinvested. Because the dividend is modeled as a percentage of the current holding value and the purchase occurs at the same price, the immediate share increase depends on the periodic yield; price growth still matters greatly because it changes the value of every original and reinvested share. More frequent reinvestment produces slightly more dividend compounding under this simplified equal-payment model. A negative price-growth rate is permitted as long as it remains above a complete loss, allowing stress scenarios in which share count rises while portfolio value falls. The calculation keeps full floating-point precision throughout all periods and rounds only the returned numbers. Taxes, brokerage restrictions, fees, dividend cuts, irregular payment dates, and delays between payment and purchase are intentionally excluded.

Choose realistic assumptions and interpret the outputs

Start with the shares you already own and the current price per share; their product is the starting value. Use a dividend yield that is plausible for the security and remember that published trailing, indicated, and forward yields describe different evidence. Enter price growth separately rather than treating total historical return as price growth, because a total-return figure may already include reinvested dividends and would double count them here. Match the payment frequency to the expected distribution schedule: quarterly is common for many companies, while monthly and annual schedules also occur. Consider running several scenarios instead of relying on one precise-looking answer. A conservative case might combine a lower yield with weak or negative price growth, while a central and optimistic case can show the range created by different assumptions. Final shares tells you how much ownership the DRIP accumulated. Dividends reinvested is the cumulative cash amount used for those purchases, not the ending market value of the purchased shares. Final value includes both original and reinvested shares at the projected final price. Total return compares that value with the original holding only; it does not include taxes, fees, outside contributions, withdrawals, or inflation. API requests cost $0.002, while the browser calculation uses the same deterministic logic.