Ratios — Excel guide

Ratios turn statements into judgments: can they pay their bills, how leveraged are they, and how hard do the assets work. The formulas fit on one card.

Liquidity, can they pay soon?

Quick ratio strips inventory because it's the slowest current asset to become cash.

RatioFormula
Current ratioCurrent assets ÷ current liabilities
Quick ratio(Current assets − inventory) ÷ current liabilities
Working capitalCurrent assets − current liabilities

Leverage & coverage

How much of the company the lenders own, and how comfortably earnings cover the interest.

RatioFormula
Debt-to-equityTotal liabilities ÷ total equity
Times interest earnedEBIT ÷ interest expense

Profitability & efficiency

Margins read top-down from the income statement; turnover ratios ask how hard the balance sheet works.

RatioFormula
Gross marginGross profit ÷ revenue
ROENet income ÷ average equity
ROANet income ÷ average total assets
Asset turnoverRevenue ÷ average total assets
Inventory turnoverCOGS ÷ average inventory
DSO(A/R ÷ credit sales) × 365
EPS (basic)Net income to common ÷ weighted-avg shares

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