Altman Z-Score Calculator
Calculate Edward Altman’s Z-Score to evaluate corporate financial distress, credit health, and statistical probability of bankruptcy within two years.
Altman Z-Score Calculator - Predict Corporate Bankruptcy Risk: Calculate Edward Altman’s Z-Score to predict corporate insolvency, credit health, and 2-year bankruptcy risk. 100% free and private browser utility.
How to Use the Altman Z-Score Calculator
Select Corporation Type
Choose between Public Manufacturing Company (original 1968 model) or Non-Manufacturing / Private Firm (Z-Prime).
Input Balance Sheet Figures
Enter Total Assets, Total Liabilities, Working Capital, and Retained Earnings from the latest 10-K or 10-Q report.
Add Income Statement & Valuation
Input Operating Income (EBIT), Total Annual Sales Revenue, and Market Capitalization.
Evaluate Insolvency Zone
Observe your final Z-Score and determine if the company resides in the Safe, Grey, or Distress zone.
Financial Planning Guide: The Altman Z-Score: Statistical Modeling of Corporate Distress
Developed in 1968 by NYU Stern finance professor Edward Altman, the Altman Z-Score is one of the most rigorously tested quantitative credit models in corporate finance. By combining five financial ratios into a single linear discriminant function, the Z-Score predicts the statistical likelihood that a corporation will enter bankruptcy proceedings within a two-year horizon with historically verified accuracy of 72% to 80%.
The original formula for publicly traded manufacturing firms combines five fundamental dimensions:
- (X_1) (Working Capital / Total Assets): Measures short-term balance sheet liquidity. Repeated operating losses drain working capital relative to asset size.
- (X_2) (Retained Earnings / Total Assets): Reflects cumulative lifetime profitability and company maturity. Younger firms or debt-bloated leveraged buyouts feature low ratios.
- (X_3) (EBIT / Total Assets): Measures operating asset productivity free from tax and leverage distortions. Heavily weighted at 3.3x.
- (X_4) (Market Value of Equity / Total Liabilities): Quantifies market leverage cushion—how far the firm's assets can decline before liabilities exceed equity.
- (X_5) (Sales / Total Assets): Asset turnover ratio measuring management's ability to generate revenue from assets.
The resulting score categorizes companies into three distinct zones: a Safe Zone ((Z > 2.99)) where bankruptcy is highly improbable; a Grey Zone ((1.81 le Z le 2.99)) indicating elevated vulnerability; and a Distress Zone ((Z < 1.81)) where the probability of bankruptcy or restructuring within 24 months is statistically significant.
Key Benefits & Features
Two Institutional Models
Implements both the original 1968 Public Manufacturing formula and the 4-variable Non-Manufacturing model.
Three-Tier Zone Analysis
Instantly classifies credit health into Safe (>2.99), Grey (1.81-2.99), or Distress (<1.81) tiers.
5-Ratio Decomposition
Breaks down individual contributions of liquidity, leverage, profitability, and asset turnover.
Value Trap Avoidance
Essential tool for value investors to detect seemingly "cheap" low-P/E stocks facing insolvency.
Credit Rating Proxy
Serves as an objective, unbiased quantitative proxy for corporate debt rating agency grades.
100% Client-Side Computation
Corporate financial inputs remain completely confidential on your device with no server logs.
What does an Altman Z-score below 1.81 mean?
A Z-score below 1.81 places a company in the Distress Zone, indicating a statistically high probability of default or bankruptcy within the next two years unless significant turnaround measures occur.
Can the Altman Z-score be used for banks and financial institutions?
No. The Altman Z-score is not designed for banks, insurance companies, or financial institutions because their balance sheets are fundamentally structured around debt and deposits, producing artificially distorted ratios.
What is the difference between Z-score and Z-prime (Z')?
The original Z-score was calibrated for public manufacturers. The Z-prime (Z') model was calibrated for private companies and non-manufacturing service companies, removing the asset turnover ratio and adjusting weighting coefficients.
Does a low Z-score guarantee a company will go bankrupt?
No, it indicates statistical distress. Companies with low Z-scores frequently survive by renegotiating debt covenants, raising emergency equity capital, or executing asset sales.
Why is EBIT weighted so heavily in the formula?
Operating earnings (EBIT) relative to assets (X3) receives the highest coefficient (3.3) because operational profitability is the single most potent long-term antidote to corporate debt distress.
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Frequently Asked Questions
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