DRIP (Dividend Reinvestment) Calculator
Project standard compound interest and total share growth rates when reinvesting stock dividends continuously over long horizons.
Investment parameters
Copy long-term dividend stats instantly.
Professional Insights & Guide
Learn critical professional use cases, dynamic step-by-step instructions, and diagnostic failure point resolutions.
Core Use Case scenario
Long-term investors, retirement planners, and portfolio managers use dividend reinvestment plans (DRIP) to build wealth. Modeling how reinvesting payouts, making regular contributions, and compounding interest affect stock portfolios over decades demonstrates the potential of dividend growth strategies.
Troubleshooting & Edge-Case Failure Points
- Variable dividend payouts: Yields can fluctuate based on corporate performance. Our calculations assume consistent payouts based on your input yields.
- Tax drag on reinvestment: In taxable accounts, dividends are taxed the year they are paid, even if reinvested. Reinvesting in tax-sheltered accounts avoids this drag.
- Stock price swings: Share price changes affect how many new fractional shares are purchased each month. The calculator uses a steady average growth rate.
Detailed Step-by-Step Instructions
- Enter your initial stock investment principal and the stock's current price.
- Input the annual dividend yield percentage and expected dividend growth rates.
- Set your monthly or annual cash contributions and the overall projection years.
- Toggle the DRIP option to model reinvesting dividends, then review the compound growth charts and final portfolio values.
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Informative Guides & Helper Articles
How to Use the DRIP Calculator
- Enter your initial investment, monthly contribution, and time horizon.
- Enter the dividend yield and expected price growth — use the stock/fund's actual numbers, not hopes.
- Toggle reinvestment on and off to see exactly what compounding dividends adds over your horizon.
How the Math Works
Worked example: $10,000 into an index fund yielding 3.5% with 4% annual price growth. Reinvested: effective compounding ≈ 7.64%/year → $43,600 after 20 years. Dividends taken as cash: price grows to $21,900 and you collected roughly $13,400 of dividends along the way ≈ $35,300 total — reinvesting puts you about $8,300–$8,700 ahead, purely from compounding shares you did not have to pay for. The snowball strengthens with time: the same gap over 30 years is roughly $25,000+. Taxes matter: in a taxable account reinvested dividends are still taxed annually (qualified rates help); inside an IRA/401k the compounding runs untaxed — which is why DRIP + tax-advantaged accounts is the classic pairing.
Dividend Reinvestment FAQ
Is a DRIP better than taking cash dividends?
Over most horizons, yes - reinvestment buys more shares that generate their own dividends. Taking cash wins when you need income now or when the stock is overvalued.
Are reinvested dividends taxed?
In a taxable account, yes - dividends are taxed the year they are paid even if automatically reinvested (qualified rates are 0-20%). Inside IRAs/401ks they compound tax-deferred or tax-free.
What is dividend yield on cost?
Today's dividend divided by YOUR original purchase price. Buy a stock at $100 paying $3, and after years of increases to $6, your yield on cost is 6% even if the market yield stays 3%.
Does DRIP work with fractional shares?
Yes - modern broker DRIPs and manual reinvestment both handle fractional shares, so every dollar of dividend goes to work.