Credit Rating Model Calculator

Estimate Altman's Z-Score with transparent ratios so you can assess a firm's creditworthiness in seconds.

Financial Inputs

Provide the latest balance-sheet and income statement figures, all values in USD.

How to Use This Calculator

Enter the latest working capital statement, retained earnings, EBIT, market equity, liabilities, and sales. Click Calculate to see the Z-Score and supporting financial ratios update immediately.

Methodology

The calculator implements the Altman Z-Score, a weighted sum of five financial ratios. Each component uses the values you provide, ensuring the result reflects the same assumptions you share with lenders and auditors.

Results are estimates for informational use only and do not replace a full credit analysis or auditor review. Always triangulate with financial statements and external ratings before making decisions.

Full original guide (expanded)

This calculator is designed for corporate finance professionals to estimate credit ratings using the Z-Score model. It helps in assessing the financial health of a company by evaluating key financial metrics.

All calculations are rigorously based on the Altman Z-Score model.

Z = 1.2 (Working Capital / Total Assets) + 1.4 (Retained Earnings / Total Assets) + 3.3 (EBIT / Total Assets) + 0.6 (Market Value of Equity / Total Liabilities) + 0.999 (Sales / Total Assets)

Glossary of Variables

  • Working Capital: Current assets minus current liabilities.
  • Total Assets: The total book value of a company's assets.
  • Retained Earnings: Accumulated profits not distributed as dividends.
  • EBIT: Earnings before interest and taxes.
  • Market Value of Equity: Share price multiplied by shares outstanding.
  • Total Liabilities: All debts and obligations.
  • Sales: Revenue for the same period.

FAQ

What is the Z-Score model?

The Z-Score model predicts the probability of a company entering bankruptcy within the next two years using a blend of profitability, liquidity, leverage, and activity ratios.

Formulas

Altman Z-Score

Z = 1.2 (Working Capital / Total Assets) + 1.4 (Retained Earnings / Total Assets) + 3.3 (EBIT / Total Assets) + 0.6 (Market Value of Equity / Total Liabilities) + 0.999 (Sales / Total Assets)

  • Working Capital: Current assets minus current liabilities.
  • Retained Earnings: Accumulated income retained for reinvestment.
  • EBIT: Operating earnings before interest and taxes.
  • Market Value of Equity: Share price × shares outstanding.
  • Total Liabilities & Total Assets: Balance-sheet aggregates used in several ratios.
  • Sales: Trailing twelve-month revenue.
Citations

CFPB — Credit cards (consumer education) — consumerfinance.gov · Accessed 2026-01-19
https://www.consumerfinance.gov/consumer-tools/credit-cards/

FTC — Credit and loans (consumer advice) — consumer.ftc.gov · Accessed 2026-01-19
https://consumer.ftc.gov/

Federal Reserve — Consumer resources — federalreserve.gov · Accessed 2026-01-19
https://www.federalreserve.gov/consumerscommunities.htm

Changelog
  • v0.1.0-draft — Initial draft derived from the legacy page (2026-01-19).
  • v0.1.0-draft — Added Altman formula + glossary, verified with audit report notes.
Verified by Ugo Candido Last Updated: 2026-01-19 Version 0.1.0-draft
Version 1.5.0