How to Calculate Rate of Equity

Rate of Equity (ROE) Calculator .roe-calculator-container { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; max-width: 800px; margin: 0 auto; padding: 20px; background-color: #f9f9f9; border: 1px solid #e0e0e0; border-radius: 8px; } .roe-calc-box { background: #ffffff; padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin-bottom: 40px; } .roe-title { text-align: center; color: #2c3e50; margin-bottom: 25px; font-size: 24px; font-weight: 700; } .roe-input-group { margin-bottom: 20px; } .roe-input-group label { display: block; margin-bottom: 8px; font-weight: 600; color: #34495e; } .roe-input-wrapper { position: relative; } .roe-input-wrapper span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: #7f8c8d; } .roe-input-field { width: 100%; padding: 12px 12px 12px 30px; border: 1px solid #bdc3c7; border-radius: 6px; font-size: 16px; box-sizing: border-box; transition: border-color 0.3s; } .roe-input-field:focus { border-color: #2980b9; outline: none; } .roe-btn { width: 100%; padding: 14px; background-color: #27ae60; color: white; border: none; border-radius: 6px; font-size: 18px; font-weight: 600; cursor: pointer; transition: background-color 0.3s; } .roe-btn:hover { background-color: #219150; } .roe-results { margin-top: 25px; padding: 20px; background-color: #f0f8ff; border-radius: 6px; border-left: 5px solid #3498db; display: none; } .roe-result-row { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 16px; } .roe-result-row.main { font-size: 22px; font-weight: 700; color: #2c3e50; border-top: 1px solid #dcdcdc; padding-top: 10px; margin-top: 10px; } .roe-content-section { line-height: 1.6; color: #444; } .roe-content-section h2 { color: #2c3e50; margin-top: 30px; border-bottom: 2px solid #27ae60; padding-bottom: 10px; display: inline-block; } .roe-content-section h3 { color: #34495e; margin-top: 20px; } .roe-content-section ul { margin-bottom: 20px; padding-left: 20px; } .roe-content-section li { margin-bottom: 8px; } .error-msg { color: #c0392b; font-size: 14px; margin-top: 5px; display: none; }

Return on Equity (ROE) Calculator

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Please enter a valid net income.
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$
Total Assets must be greater than Liabilities to calculate positive equity.
Shareholders' Equity: $0.00
Rate of Equity (ROE): 0.00%
*Calculated as Net Income / (Assets – Liabilities)

How to Calculate Rate of Equity

The "Rate of Equity," commonly referred to in finance as Return on Equity (ROE), is a critical metric used to measure a corporation's profitability in relation to the stockholders' equity. It reveals how effectively a company's management is using shareholders' capital to generate profits.

The ROE Formula

To calculate the rate of equity, you need two primary figures: Net Income and Shareholders' Equity. Since Shareholders' Equity is often derived from the balance sheet equation, the expanded calculation is:

ROE = (Net Income / Shareholders' Equity) × 100

Where:
Shareholders' Equity = Total Assets – Total Liabilities

Understanding the Components

  • Net Income: The total profit of the company after all expenses, taxes, and interest have been deducted. This is usually found at the bottom of the income statement.
  • Total Assets: Everything the company owns that has value (cash, inventory, property, equipment).
  • Total Liabilities: Everything the company owes (loans, accounts payable, mortgages).
  • Shareholders' Equity: The residual interest in the assets of the entity after deducting liabilities. It represents the net value belonging to the owners.

Example Calculation

Let's assume you are analyzing a small manufacturing business with the following financial data:

  • Net Income: $150,000
  • Total Assets: $1,000,000
  • Total Liabilities: $400,000

First, calculate the Equity:

$1,000,000 (Assets) – $400,000 (Liabilities) = $600,000 (Equity)

Next, calculate the ROE:

($150,000 / $600,000) × 100 = 25%

A 25% ROE indicates that for every dollar of equity invested by shareholders, the company generated 25 cents in profit.

Why is Rate of Equity Important?

Calculating the rate of equity helps investors compare the profitability of companies within the same industry. A higher ROE generally suggests that a company is more efficient at generating profit from its equity financing. However, extremely high ROE can sometimes indicate excessive debt (high leverage), as a smaller equity denominator inflates the percentage.

function calculateROE() { // Get input elements var incomeInput = document.getElementById('netIncome'); var assetsInput = document.getElementById('totalAssets'); var liabilitiesInput = document.getElementById('totalLiabilities'); // Get output elements var displayEquity = document.getElementById('displayEquity'); var displayROE = document.getElementById('displayROE'); var resultBox = document.getElementById('roeResult'); var errorIncome = document.getElementById('errorIncome'); var errorEquity = document.getElementById('errorEquity'); // Reset errors and results errorIncome.style.display = 'none'; errorEquity.style.display = 'none'; resultBox.style.display = 'none'; // Parse values var income = parseFloat(incomeInput.value); var assets = parseFloat(assetsInput.value); var liabilities = parseFloat(liabilitiesInput.value); // Validation var hasError = false; if (isNaN(income)) { errorIncome.style.display = 'block'; hasError = true; } if (isNaN(assets) || isNaN(liabilities)) { // Treat empty assets/liabilities as 0 if not fully entered, // but for a strict calculator, we usually require input. // Let's assume strict requirement for calculation validity. if (isNaN(assets)) assets = 0; if (isNaN(liabilities)) liabilities = 0; } if (hasError) return; // Logic: Calculate Equity var equity = assets – liabilities; // Logic: Check for Zero or Negative Equity // ROE cannot be meaningfully calculated if Equity is 0 or negative if (equity = 15) { displayROE.style.color = '#27ae60'; // Green for good ROE } else if (roeValue > 0) { displayROE.style.color = '#f39c12'; // Orange for moderate } else { displayROE.style.color = '#c0392b'; // Red for negative } // Show results resultBox.style.display = 'block'; } function formatMoney(amount) { return '$' + amount.toLocaleString('en-US', {minimumFractionDigits: 2, maximumFractionDigits: 2}); }

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