Altman Z-Score Calculator (Original Model)
Enter values from the same reporting period. This calculator uses the classic public manufacturing formula: Z = 1.2X1 + 1.4X2 + 3.3X3 + 0.6X4 + 1.0X5.
What is the Altman Z-Score?
The Altman Z-Score is a financial health metric designed to estimate the probability that a company may face financial distress. It combines profitability, leverage, liquidity, solvency, and activity ratios into one score.
In plain language: it gives you a fast “balance-sheet-and-income-statement” stress check. Analysts, lenders, and investors use it as an early warning signal rather than a final verdict.
Formula Used in This Calculator
This page uses the original Altman model for publicly traded manufacturing companies:
| Component | Definition |
|---|---|
| X1 = Working Capital / Total Assets | Measures short-term liquidity relative to company size. |
| X2 = Retained Earnings / Total Assets | Captures cumulative profitability and earnings reinvestment. |
| X3 = EBIT / Total Assets | Operating profitability from assets before financing and tax effects. |
| X4 = Market Value of Equity / Total Liabilities | Market cushion against obligations. |
| X5 = Sales / Total Assets | Asset turnover (efficiency of asset use to generate revenue). |
Z = 1.2X1 + 1.4X2 + 3.3X3 + 0.6X4 + 1.0X5
How to Interpret Your Result
- Z > 2.99: Generally considered the “safe zone.”
- 1.81 to 2.99: “Grey zone” where risk is mixed and should be reviewed closely.
- Z < 1.81: “Distress zone,” indicating elevated bankruptcy risk signals.
These ranges are guidelines, not guarantees. A company can score well and still struggle, or score poorly and recover due to restructuring, capital raises, or changing industry dynamics.
Input Tips for Better Accuracy
1) Use one reporting period
Pull all figures from the same quarter or annual report. Mixing periods can distort the score.
2) Keep units consistent
All values should use the same unit (e.g., all in dollars, all in thousands, or all in millions).
3) Confirm market value of equity
Use market capitalization (share price × shares outstanding), not book value of equity, for the X4 component in this model.
Strengths and Limitations
Strengths
- Quick, objective screening metric.
- Uses multiple dimensions of financial health.
- Helpful for comparing similar firms.
Limitations
- Best known for manufacturing/public-company context in its original form.
- Can be less informative for banks, insurers, or asset-light software firms.
- Sensitive to unusual one-time accounting events.
When to Use Altman Z-Score
Use it as one layer in a broader process. Pair it with:
- Cash flow trend analysis
- Debt maturity schedules
- Interest coverage ratios
- Industry outlook and competitive positioning
- Management quality and governance factors
That combination is far stronger than relying on any single formula.
Final Note
This calculator is for education and research. It is not investment, legal, accounting, or credit advice. Always verify numbers and consult a qualified professional before making major financial decisions.