Enter Financial Data
Key Formulas
ROE = Net Income / Equity
Gross Margin = (Revenue - COGS) / Revenue |
Current Ratio = CA / CL |
Liab/Eq = Liabilities / Equity
Profitability Ratios
Gross Margin
40.00%
Operating Margin
20.00%
Net Profit Margin
15.00%
Return on Assets (ROA)
7.50%
Return on Equity (ROE)
12.50%
Liquidity Ratios
Current Ratio
1.67
Quick Ratio
1.17
Leverage Ratios
Liabilities-to-Equity
0.67
Liabilities-to-Assets
40.00%
Interest Coverage
8.00
Efficiency Ratios
Asset Turnover
0.50
Inventory Turnover
4.00
Days Sales Outstanding
73.0 days
Market Ratios
Earnings Per Share (EPS)
$1.50
Price-to-Earnings (P/E)
13.33
Dividend Yield
2.50%
Thresholds are general guidelines. Appropriate ratios vary significantly by industry.
Formula Breakdown
Model Assumptions
- Point-in-time snapshot — ratios reflect a single reporting period, not trends over time
- Uses end-of-period balance sheet values (not averages) for ROA and ROE denominators, consistent with Berk Chapter 2
- Net income is used for ROA (some formulations use NOPAT)
- Interest coverage uses EBIT (Revenue − COGS − OpEx), not EBITDA
- Leverage ratios use total liabilities, not just interest-bearing debt, for simplicity
- Quick ratio uses simplified formula: (Current Assets − Inventory) / Current Liabilities. Some analysts also exclude prepaid expenses
- Assumes annual or trailing twelve months (TTM) figures for net income and dividends
- Does not include DuPont decomposition (see DuPont Analysis Calculator)
For educational purposes. Not financial advice. Market conventions simplified.
Understanding Financial Ratios
What Are Financial Ratios?
Financial ratios are quantitative metrics derived from a company's financial statements that help analysts evaluate profitability, liquidity, leverage, efficiency, and market valuation. They transform raw financial data into comparable, interpretable measures that enable meaningful comparisons across companies and time periods.
Five Categories of Financial Ratios
Profitability
Margins, ROA, ROE
Measure how effectively a company generates earnings from its revenue and assets.
Liquidity
Current Ratio, Quick Ratio
Assess a company's ability to meet short-term obligations with available resources.
Leverage
Liab/Eq, Liab/Assets, Interest Coverage
Evaluate the extent of obligations relative to equity and ability to service debt.
Efficiency & Market
Turnover, EPS, P/E
Reveal operational effectiveness and how the market values the company.
Important Considerations
- Industry context matters — appropriate ratio levels vary dramatically between industries
- Trend analysis — compare ratios over multiple periods to identify improving or deteriorating performance
- No single ratio tells the full story — use ratios from all five categories for comprehensive analysis
- Quality of earnings — ratios based on reported financials may not reflect underlying economic reality
DuPont Analysis: For a deeper breakdown of ROE into its component drivers (profit margin, asset turnover, and equity multiplier), use the DuPont Analysis Calculator.
Frequently Asked Questions
The most important financial ratios depend on your analysis objective. For profitability assessment, focus on net profit margin, ROA, and ROE. For creditworthiness and solvency, examine the current ratio, quick ratio, and liabilities-to-equity ratio. For operational efficiency, asset turnover and inventory turnover reveal how effectively management uses company resources. For stock valuation, P/E ratio and dividend yield help compare companies. A comprehensive evaluation uses ratios from all five categories — profitability, liquidity, leverage, efficiency, and market — and compares them to industry benchmarks rather than relying on any single metric.
ROE is calculated as Net Income divided by Stockholders' Equity. It measures how effectively a company generates profits from shareholders' investment. An ROE of 12.5% means the company earned $0.125 for every dollar of equity. Higher ROE generally indicates more efficient use of equity capital, but context matters — very high ROE can result from excessive leverage (high debt) rather than operational excellence. In practice, many analysts use average equity over the period rather than end-of-period values. The DuPont decomposition breaks ROE into three components (profit margin × asset turnover × equity multiplier) to identify the driver.
Both measure short-term liquidity, but the quick ratio is more conservative. The current ratio divides all current assets by current liabilities, while the quick ratio excludes inventory from current assets before dividing. Inventory is excluded because it may not be quickly convertible to cash — it must be sold first, which takes time and may require discounting. A company with a current ratio of 1.67 but a quick ratio of only 1.17 has significant inventory relative to its current assets. If the quick ratio equals the current ratio, the company holds no inventory (common in service industries).
A high liabilities-to-equity ratio indicates the company relies heavily on obligations relative to shareholder equity. A ratio above 2.0 suggests the company has more than twice as many total liabilities as equity. This amplifies both returns and risks: in good times, leverage boosts ROE, but in downturns, high fixed obligations can lead to financial distress. Capital-intensive industries (utilities, real estate) typically carry higher ratios than asset-light sectors (technology, consulting). Always compare to industry norms rather than using absolute thresholds. Note that this calculator uses total liabilities; some formulations use only interest-bearing debt.
The P/E ratio divides a stock's market price by its earnings per share, indicating how much investors pay per dollar of earnings. A P/E of 13.33 means investors pay $13.33 for each $1 of earnings. Compare the P/E to industry averages, the broader market (S&P 500 historically averages 15–20x), and the company's historical P/E. A P/E below peers may signal undervaluation or reflect lower expected growth. A high P/E may indicate overvaluation or strong growth expectations. P/E is not meaningful when earnings are zero or negative, and should be used alongside other valuation metrics like EV/EBITDA and price-to-book.
Financial ratio thresholds vary by industry because different business models require different capital structures, asset bases, and operating profiles. For example, utilities and real estate companies typically carry higher liabilities-to-equity ratios because their stable cash flows support more leverage. Technology companies often have higher current ratios because they hold more cash. Retail businesses typically have lower profit margins but higher inventory turnover. Always compare ratios to industry peers rather than using universal benchmarks for the most meaningful analysis.
Disclaimer
This calculator is for educational purposes only and uses simplified formulas from Berk, DeMarzo & Harford's Fundamentals of Corporate Finance. Actual financial analysis requires consideration of industry context, accounting policies, and multiple reporting periods. This tool should not be used for investment decisions.
