Altman Z-Score Calculator

Free Altman Z-Score Calculator — assess corporate bankruptcy risk using Altman's five financial ratios and classify the company into safe, grey, or distress zones.

858.9K uses Updated · 2026-05-14 Runs locally · zero upload
AD

How to Use Altman Z-Score Calculator

The Altman Z-Score Calculator scores a firm’s bankruptcy risk by combining five balance-sheet and market ratios.

  1. Enter Working Capital, Retained Earnings, EBIT, Market Equity, and Sales — these are the five numerators.
  2. Enter Total Assets and Total Liabilities — the denominators that scale the ratios.
  3. Choose a currency — Only affects formatting of amounts in the summary panel.
  4. Read the Result — The Altman Z-Score Calculator displays the Z-Score, the five component ratios, and the zone classification (safe / grey / distress).

Formula & Theory — Altman Z-Score Calculator

The original Altman Z-Score formula for public manufacturing firms:

Z = 1.2·A + 1.4·B + 3.3·C + 0.6·D + 1.0·E

A = Working Capital     / Total Assets
B = Retained Earnings   / Total Assets
C = EBIT                / Total Assets
D = Market Value Equity / Total Liabilities
E = Sales               / Total Assets
RatioMeaning
AShort-term liquidity buffer relative to assets
BCumulative profitability and reinvestment
COperating profitability per dollar of assets
DMarket cushion absorbing potential losses
EAsset turnover / sales productivity

Classification cutoffs:

  • Z > 2.99 — Safe zone, financial health appears stable.
  • 1.81 ≤ Z ≤ 2.99 — Grey zone, deserves closer scrutiny.
  • Z < 1.81 — Distress zone, elevated risk of bankruptcy within two years.

This tool uses the manufacturing-firm cutoffs. For private firms, replace ratio D’s numerator with book value of equity and use the Z’ cutoff set.

Use Cases for Altman Z-Score Calculator

  • Credit screening — Banks and trade-credit teams flag counterparties that fall into the grey or distress zones.
  • Supplier risk management — Procurement teams monitor suppliers’ Z-Score quarterly to anticipate disruption risk.
  • Equity research — Investors blend Z-Score with profitability and cash-flow metrics to filter distressed names.
  • Education — Finance students learn how multivariate scoring models work using a concrete, well-documented example.
  • Restructuring practice — Turnaround advisors use the Z-Score trajectory to communicate financial distress to stakeholders.

The Altman Z-Score Calculator turns five accounting ratios into a single, easy-to-communicate risk indicator.

Frequently asked questions about Altman Z-Score Calculator

What is the Altman Z-Score?

The Altman Z-Score is a composite credit-strength score introduced by Edward Altman in 1968. It combines five financial ratios into a single number that predicts the likelihood of bankruptcy within two years.

How does the Altman Z-Score Calculator classify companies?

The calculator follows the standard public manufacturing version: Z > 2.99 = safe zone, 1.81 ≤ Z ≤ 2.99 = grey zone, Z < 1.81 = distress zone.

Does the Z-Score apply to private or non-manufacturing firms?

The classic model is calibrated for public manufacturing firms. Altman published Z' for private firms and Z'' for service companies. The cutoffs differ slightly, but the methodology is the same.

Should I rely on the Z-Score alone?

No. Treat the Z-Score as one of several signals. Combine it with cash-flow analysis, covenant headroom, and qualitative factors before making credit or investment decisions.

Is my data stored?

No. The Altman Z-Score Calculator runs in your browser; nothing is sent to a server.