See dividends compound into portfolio growth

The Power of Dividend Reinvestment

When you reinvest dividends instead of spending them, you buy more shares, which pay more dividends, which buy even more shares. This compounding effect can dramatically accelerate wealth building over decades.

DRIP vs Cash Dividends

Investors who reinvest dividends consistently outperform those who take cash dividends, often by 20–40% over a 20-year period.

What People Often Overlook

Many people focus purely on share price growth and forget that dividends can quietly do a lot of heavy lifting in the background. Even a modest dividend yield, reinvested consistently over 15 or 20 years, can contribute a surprisingly large portion of total returns. It can help to think of it less as extra income and more as a snowball gathering pace down a hill. Small at first, then harder to ignore. One thing worth considering is that the frequency of reinvestment matters too — the sooner each dividend is put back to work, the more time it has to compound.

Common Mistakes With DRIP Strategies

One approach many investors overlook is accounting for tax. In many countries, reinvested dividends may still be treated as taxable income, even if no cash ever reaches your pocket. It is worth understanding how this works in your own circumstances. Many people also underestimate the impact of annual price growth assumptions — even a one or two percent difference in that figure can produce dramatically different long-term projections. This calculator can help make those differences visible.

Run it with sensible defaults

Using starting shares of 100, share price of 50, dividend yield of 3, annual price growth of 5, the calculation works out to 23,960.75. Nudge the inputs toward your own situation and the output recalculates instantly. The defaults are meant as a starting point, not a recommendation.

The levers in this calculation

The inputs — Starting Shares, Share Price, Dividend Yield, Annual Price Growth, and Years — do not pull with equal force. The rate and the time horizon usually dominate — compounding means a small change in either reshapes the final figure more than a similar shift in contribution size. Test this by doubling one input at a time.

How the math works

This calculator projects dividend reinvestment growth by compounding share appreciation and reinvested dividends over time. It assumes constant annual dividend yield and stock price growth rates, annual compounding, and no fees or taxes. Results are illustrations based on these assumptions and do not represent guaranteed outcomes. The working is transparent — you can verify every step yourself in the formula section below. No black box, no opaque "proprietary model".

Why investors run this

Most people's intuition for compounding is wrong — not because the math is hard, but because linear thinking doesn't account for curves. Running numbers through a calculator like this one is the cheapest way to recalibrate that intuition before making an irreversible decision about contribution rate, asset mix, or retirement age.

What this doesn't capture

Steady-rate math ignores real-world volatility. Actual returns are lumpy; sequence-of-returns risk matters most in drawdown; fees and taxes drag on compound growth; and behaviour changes in drawdowns can reduce outcomes below the projection. Treat the number as one scenario, not a forecast.