Dear CFO by Phoenix Strategy Group

Profitability

Gross margin

Gross margin is the share of revenue left after paying the direct costs of delivering what you sold.

Formula

Gross margin = (Revenue − Cost of goods sold) ÷ Revenue

Worked example

Revenue$1,530,000
Cost of goods sold$591,000
Gross profit$939,000

$939,000 ÷ $1,530,000 = 61.4%

Why it matters

Gross margin pays for everything else: salaries, rent, marketing and profit. A drop of a point or two, on labour or materials, can erase a quarter’s profit without revenue changing at all.

Common mistakes

Where it misleads

Classifying direct labour as an operating expense, which flatters gross margin.

Comparing gross margin across companies that put different costs above the line.

Watching the percentage without the dollars: margin can rise while gross profit falls.

Stop calculating it by hand.

Dear CFO keeps your statements, forecasts and metrics current from the systems you already run.