📊 Retention Ratio Calculator

The retention ratio is the share of net income a company keeps instead of paying as dividends. With $500,000 of net income and $150,000 of dividends, retention is 70 percent and the payout ratio is 30 percent. Multiply retention by ROE for the sustainable growth rate: 0.70 x 14 percent = 9.8 percent growth fundable without new capital.

This one ratio connects dividend policy to growth capacity. Every dollar paid out is a dollar that cannot compound inside the business; every dollar retained must earn its keep. The ratio does not judge the trade, it prices it.

How to Use This Calculator

Enter net income, total dividends paid, and return on equity. The calculator returns the retention ratio, the payout ratio, the retained dollars, and the sustainable growth rate the combination supports.

The Retention Ratio Formulas

The sustainable growth rate is the elegant part: a company earning 14 percent on equity and retaining 70 percent of it can grow equity at 9.8 percent a year without issuing shares or adding debt. Grow faster than that and something must give: new equity, more debt, or a dividend cut.

Retention is also called the plowback ratio, from the farming image of plowing profits back into the field. Whatever the name, it is the complement of the payout ratio; the two always sum to 100 percent of earnings.

Worked Example

$500,000 net income, $150,000 dividends, 14 percent ROE. Retained = $350,000. Retention = $350,000 / $500,000 = 70 percent. Payout = 30 percent. Sustainable growth = 0.70 x 14% = 9.8 percent. The company can fund nearly 10 percent annual growth from its own profits.

Utility version: $500,000 income, $400,000 dividends, 10 percent ROE. Retention = 20 percent, payout = 80 percent, sustainable growth = 2 percent. That is the classic income-stock profile: most profit returns to shareholders, growth comes slowly. Neither profile is wrong; they serve different investors. Our retained earnings calculator tracks the cumulative result of whichever policy is chosen.

Reading the Ratio

Watch for changes, not levels. A company cutting retention to fund a dividend hike is shifting from growth to income; the market reprices accordingly. Conversely, a dividend cut to fund reinvestment only works if the reinvestment earns above the cost of capital, which the ROIC calculator tests directly. Retention without returns is just hoarding.

What Dividend Aristocrats Get Right

Companies that raise dividends for 25 straight years run modest retention ratios by necessity: the payout consumes much of the profit. Their trick is earning high returns on the retained slice, so the small reinvestment still compounds book value briskly. A 40 percent retention ratio at 18 percent ROE grows equity 7.2 percent yearly while paying a rising dividend: the shareholder gets both income and growth.

The failure mode is the mirror image: high retention at low returns. A company keeping 90 percent of earnings at 6 percent ROE grows book value 5.4 percent while shareholders could have done better elsewhere. Retention is only virtuous when reinvestment beats the shareholder’s alternatives. That single test, retention times ROE versus the cost of equity, separates compounding machines from capital traps. Run it before applauding any “we reinvest everything” story.

Retention and the Growth-Value Cycle

Young companies retain nearly everything; mature ones return most of it. The transition, when a growth company initiates or raises its dividend, is one of the market’s most-watched signals. Done right, it marks the arrival of durable cash generation. Done as a bribe to a restless shareholder base, it marks the end of growth ideas. The market’s reaction depends entirely on which story the numbers support.

Watch the retention ratio through the transition. A gradual decline from 100 to 60 percent alongside steady ROE is healthy maturation. A sudden plunge to fund a special dividend while ROE fades is harvesting. Management’s words will frame either as strategy; the ratio’s trend tells you which it really is. Trust the multi-year pattern over any single announcement.

Retention Ratios and Buybacks

Buybacks are the shadow payout: cash returned to shareholders without appearing in the dividend ratio. A company with 70 percent retention and heavy buybacks may return more total cash than its dividend-paying peer. Compute the total payout ratio, dividends plus buybacks over net income, for the honest picture. Some years it exceeds 100 percent, funded by past earnings or debt.

Debt-funded buybacks deserve skepticism: borrowing to retire shares boosts EPS while weakening the balance sheet, and the retained earnings trend will show the strain. Cash-funded buybacks at reasonable prices are genuine returns of capital. The retention ratio tells the dividend story; the total payout tells the capital story. Read both before judging generosity.

Estimates for planning only, not financial advice.