Retained Earnings Calculator

Retained earnings are profits that stay in the business instead of being distributed to shareholders. This calculator estimates the current period amount retained by starting with earnings, estimating dividends from a dividend payout ratio, and dividing the remaining amount by shares outstanding. It also reports the retention ratio, which is the share of earnings kept rather than paid out.

There is an important scope note: the form does not ask for beginning retained earnings. Standard retained earnings on a balance sheet are cumulative. They begin with last period’s retained earnings balance, add current net income, subtract dividends, and include any accounting adjustments. This calculator estimates the period addition only. To update a full retained earnings account, add this period’s retained amount to the beginning balance outside the form manually.

How the calculator works

Enter earnings for the period, usually net income available to common shareholders if you are looking at a corporation. Enter the dividend payout ratio as a percentage from zero to one hundred. Enter shares outstanding to calculate retained earnings per share. The calculator rejects payout ratios below zero or above one hundred, and it rejects negative shares. It allows earnings to be negative, because losses reduce retained earnings.

The calculator multiplies earnings by the payout ratio to estimate dividends distributed. It subtracts those dividends from earnings to calculate retained earnings for the period. It then divides retained earnings by earnings to show the retention ratio, unless earnings are zero, in which case it reports a zero retention ratio to avoid division by zero. Retained earnings per share is the retained amount divided by shares outstanding; if shares are zero, the calculator reports zero per share.

This page fits naturally after the accounting profit calculator, because retained earnings depends on profit after expenses. It also connects to dividend decisions, reinvestment planning, and growth assumptions. Use the compound interest calculator or future value calculator to model what retained funds might become if reinvested at a target return.

Formula

The standard cumulative formula used in accounting is:

$\text{ending retained earnings} = \text{beginning retained earnings} + \text{net income} - \text{dividends}$

This calculator estimates dividends from a payout ratio:

$\text{dividends distributed} = \text{earnings} \times \frac{\text{dividend payout ratio}}{100}$

Then it calculates the current period amount retained:

$\text{retained earnings} = \text{earnings} - \text{dividends distributed}$

The per-share figure is:

$\text{retained earnings per share} = \frac{\text{retained earnings}}{\text{shares outstanding}}$

Worked example

Use the default inputs: earnings of $1,000,000, a dividend payout ratio of 30%, and 500,000 shares outstanding. First, the calculator estimates dividends:

$\text{dividends distributed} = 1000000 \times \frac{30}{100} = 300000$

Then it subtracts dividends from earnings:

$\text{retained earnings} = 1000000 - 300000 = 700000$

The retention ratio is the share of earnings kept:

$\text{retention ratio} = \frac{700000}{1000000} \times 100 = 70\%$

Finally, the retained amount is divided by shares:

$\text{retained earnings per share} = \frac{700000}{500000} = 1.40$

The calculator’s primary result is $700,000, labeled “Earnings kept in the business.” The details show $300,000 of dividends distributed, a 70% retention ratio, $1.40 retained per share, and 500,000 shares outstanding.

Accounting context

Retained earnings sits in shareholders’ equity. It is not a pile of cash and not a promise that money is available for dividends. A company may retain $700,000 and use that profit to buy equipment, build inventory, repay a loan, fund research, acquire a smaller business, or simply offset losses from earlier periods. The account tracks cumulative profit kept in the company after distributions, not the physical location of cash.

Dividend policy is the strategic question behind the calculator. A young company may retain most earnings because managers believe reinvestment can produce high returns. A stable utility or mature manufacturer may distribute more earnings because growth opportunities are limited and shareholders value predictable income. Neither policy is automatically superior. The right answer depends on expected return, risk, capital needs, leverage, and shareholder expectations.

Losses also matter. If earnings are negative, the calculator can produce a negative retained amount for the period, reducing accumulated retained earnings. If dividends are paid during a loss period, the reduction can be larger. Users comparing book profit and reinvestment plans may also review the economic profit calculator to ask whether retained funds are earning more than their opportunity cost.

Tips for using the result

• Use net income for the same period as the dividend payout ratio.
• If you know actual dividends, convert them to a payout ratio before entering the form.
• Keep shares outstanding current, especially after stock splits, buybacks, or new share issues.
• Add this period’s retained amount to beginning retained earnings if you need a balance sheet total.
• Compare retention with return on equity, debt needs, and growth opportunities before judging dividend policy.
• Pair the result with the goodwill calculator when retained earnings may fund an acquisition premium.

Formula sources and scope

• Principles of Financial Accounting — OpenStax, Rice University (peer-reviewed open textbook); 2019 first edition, ISBN 978-1-947172-68-5; U.S. GAAP-oriented educational definitions. Supports: retained amount=earnings×(1-dividendPayoutRatio/100); retained per share=retainedAmount/sharesOutstanding. Accessed 2026-07-09.
• Principles of Finance — OpenStax, Rice University (peer-reviewed open textbook); 2022 first edition, ISBN 978-1-951693-54-1; Jurisdiction-neutral finance definitions. Supports: retained amount=earnings×(1-dividendPayoutRatio/100); retained per share=retainedAmount/sharesOutstanding. Accessed 2026-07-09.

These sources support the stated formula or definition. Results remain estimates based on the entered values and do not replace financial, legal, tax, lending, or investment advice. Compare periods, units, accounting definitions, and jurisdiction-specific rules before acting.

Sources

• Corporate Finance Institute, Retained Earnings — overview of retained earnings, dividends, and shareholder equity.
• AccountingCoach, Stockholders’ Equity Explanation — retained earnings in the equity section.