What yield should I assume?

Use the trailing 12-month yield of your actual holding, not a hopeful future number. SPY ~1.3%, VOO ~1.3%, SCHD ~3.5%, VYM ~2.8%, JEPI ~7-8%. For a custom basket, take the weighted average. Avoid plugging in the highest yield you can find — yields above 6% almost always reflect a stock the market expects to cut.

How realistic is 7% appreciation plus the dividend yield?

S&P 500 has returned roughly 10% nominal / 7% real over the long run, with dividends contributing about 2% of that historically. So if you assume 5-6% appreciation plus 1.3% dividend yield, you’re in the ballpark of historical SPY total return. Pure dividend ETFs like SCHD often have 5-6% appreciation plus 3.5% yield. Don’t double-count by assuming 10% appreciation AND a 3.5% yield — that implies 13.5% total which has rarely held over 30 years.

Does reinvestment really beat taking the cash?

In an accumulation phase, yes — every reinvested dividend buys more shares that pay more dividends. Over 30 years at 3% yield with 6% appreciation, reinvesting roughly doubles your ending balance versus pocketing the cash. In retirement the calculus flips: you want the cash for living expenses, and selling-to-create-income works mathematically the same as taking-the-dividend.

What about taxes on reinvested dividends?

In a taxable brokerage, qualified dividends are taxed at 0%, 15%, or 20% depending on income — even if reinvested. That tax drag is roughly 0.3-0.5% per year for most investors. In a Roth IRA, 401(k), or HSA the tax is zero. This calculator models pre-tax growth; subtract roughly 15% of dividend yield from your effective return for taxable accounts at the 15% bracket.

Should I pick high-yield stocks for faster compounding?

Counterintuitively, no. Dividend growth (5-10% per year increases) usually beats raw yield over long horizons. A stock yielding 2% but raising the dividend 8% per year will out-compound a stock yielding 5% with 0% growth somewhere around year 15. SCHD, VIG, and the Dividend Aristocrats track this dividend-growth quality factor. High-yield-only screens often fill with REITs and BDCs that pay big now but barely grow.

Is this calculator pre-tax or post-tax?

Pre-tax (or equivalently: post-tax if you’re running it for a Roth IRA, 401(k), HSA, or 529). For taxable accounts, multiply the dividend yield by your expected effective dividend tax rate (0.85x for 15% bracket) and use the lower number as your assumed yield. Capital gains taxes only hit when you sell, so they don’t affect the compounding curve until withdrawal.

Money & Finance · Free tool

Dividend Reinvestment Calculator

Project DRIP portfolio growth over years — model yield, price appreciation, and monthly contributions side by side. Free, instant, online.

Updated June 2026

Starting InvestmentMonthly AddDividend Yield %Price Growth %Years

Ending Balance (DRIP)

$283,545

Total Contributions

$70,000

Dividends Reinvested

$71,182

For guidance only — not financial advice. Actual returns vary with market and tax drag.

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What it does

A dividend reinvestment calculator projects how a dividend-paying portfolio compounds when every cash distribution buys more shares automatically instead of getting paid out. The math is the classic compound-growth formula with two engines turning at once: capital appreciation (price growth) plus reinvested dividend yield. Over long horizons the dividend engine usually contributes 30 to 40 percent of total return — historical data from Hartford Funds shows that since 1960, reinvested dividends and dividend growth account for roughly 84 percent of S&P 500 total returns. That ratio is why buy-and-hold investors care so much about DRIPs (Dividend Reinvestment Plans) and why a 1.5 percent yield differential over 30 years can mean a six-figure ending-balance gap.

The tool takes your starting balance, expected dividend yield (current portfolio dividend divided by current price — for SPY this is around 1.3 percent in 2024, for SCHD around 3.5 percent, for VYM around 2.8 percent), expected price-appreciation rate, monthly or annual contribution, and time horizon, then shows year-by-year balance growth with the dividend reinvestment compounding effect baked in. You see the ending value, total contributions, and — most importantly — the gap between “contributions plus simple interest” and “contributions plus reinvested dividends.” That gap is the eighth wonder Einstein supposedly described.

Use the projection to compare strategies (SCHD versus SPY, dividend aristocrats versus growth index, monthly DCA versus lump sum), to set realistic FIRE-by-X-age targets, or to see whether your retirement income gap can be closed by a dividend portfolio rather than the standard 4-percent-rule withdrawal sequence. Reinvestment is a tax-deferred-account superpower — in a Roth IRA or 401(k) the dividends compound without annual tax drag, which can add 0.3 to 0.5 percent per year to effective return versus the same strategy in a taxable brokerage.

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How to use it

Enter starting balance — current portfolio value or $0 if starting fresh.
Set expected dividend yield (1.3% for SPY, 3.5% for SCHD, 2.8% for VYM, 4-5% for high-yield REITs/MLPs).
Set expected annual price growth — 7-8% real return is the long-run S&P 500 average; aristocrats typically grow 5-7%.
Add monthly or annual contribution (your DCA amount).
Pick a time horizon (5-40 years) and read the year-by-year compounding curve plus ending value.

When to use this tool

Modeling FIRE-by-age scenarios where dividend income covers expenses without selling principal.
Comparing two dividend strategies — e.g., SCHD vs VIG vs SPY — over a long horizon.
Showing a teen or new investor the visual punch of compounding so they start contributing earlier.
Setting realistic expectations before backing into a target — a $1M dividend portfolio at 3.5% yield gives $35K/year.

When not to use it

Day-trading or short-horizon decisions — dividend math is meaningless under 5 years; price volatility dominates.
Stocks with falling or unsustainable dividends — “high yield” is often a yield trap (price collapsing, dividend about to be cut).
Tax-projection precision — this tool models pre-tax growth; for taxable accounts you need separate qualified-vs-ordinary modeling.
Volatile income payers (BDCs, mortgage REITs) where the yield assumption can change 20%+ year to year.

Common use cases

Onboarding a colleague who needs the same calculation/conversion
Verifying a number or output before passing it on
Quick calculation during a typical workday
Pre-decision sanity-check on inputs and outputs

Frequently asked questions

What yield should I assume?: Use the trailing 12-month yield of your actual holding, not a hopeful future number. SPY ~1.3%, VOO ~1.3%, SCHD ~3.5%, VYM ~2.8%, JEPI ~7-8%. For a custom basket, take the weighted average. Avoid plugging in the highest yield you can find — yields above 6% almost always reflect a stock the market expects to cut.
How realistic is 7% appreciation plus the dividend yield?: S&P 500 has returned roughly 10% nominal / 7% real over the long run, with dividends contributing about 2% of that historically. So if you assume 5-6% appreciation plus 1.3% dividend yield, you’re in the ballpark of historical SPY total return. Pure dividend ETFs like SCHD often have 5-6% appreciation plus 3.5% yield. Don’t double-count by assuming 10% appreciation AND a 3.5% yield — that implies 13.5% total which has rarely held over 30 years.
Does reinvestment really beat taking the cash?: In an accumulation phase, yes — every reinvested dividend buys more shares that pay more dividends. Over 30 years at 3% yield with 6% appreciation, reinvesting roughly doubles your ending balance versus pocketing the cash. In retirement the calculus flips: you want the cash for living expenses, and selling-to-create-income works mathematically the same as taking-the-dividend.
What about taxes on reinvested dividends?: In a taxable brokerage, qualified dividends are taxed at 0%, 15%, or 20% depending on income — even if reinvested. That tax drag is roughly 0.3-0.5% per year for most investors. In a Roth IRA, 401(k), or HSA the tax is zero. This calculator models pre-tax growth; subtract roughly 15% of dividend yield from your effective return for taxable accounts at the 15% bracket.
Should I pick high-yield stocks for faster compounding?: Counterintuitively, no. Dividend growth (5-10% per year increases) usually beats raw yield over long horizons. A stock yielding 2% but raising the dividend 8% per year will out-compound a stock yielding 5% with 0% growth somewhere around year 15. SCHD, VIG, and the Dividend Aristocrats track this dividend-growth quality factor. High-yield-only screens often fill with REITs and BDCs that pay big now but barely grow.
Is this calculator pre-tax or post-tax?: Pre-tax (or equivalently: post-tax if you’re running it for a Roth IRA, 401(k), HSA, or 529). For taxable accounts, multiply the dividend yield by your expected effective dividend tax rate (0.85x for 15% bracket) and use the lower number as your assumed yield. Capital gains taxes only hit when you sell, so they don’t affect the compounding curve until withdrawal.

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