Gross Margin (GM) vs Operating Margin (OM)
Gross margin shows profitability before operating expenses; operating margin subtracts SG&A and R&D but excludes interest and taxes. The gap between the two shows how efficiently the company deploys its operating budget.
At a Glance
Gross Margin (GM)
Revenue minus cost of goods sold, expressed as a percentage of revenue
Operating Margin (OM)
Operating income as a percentage of revenue
Key Differences
- Operating margin = Gross margin minus operating expenses (SG&A, R&D, D&A).
- A shrinking gap between the two indicates operating leverage — costs growing slower than revenue.
- Operating margin is the cleanest cross-company profitability benchmark (excludes financing and tax differences).
- Gross margin is more relevant for product decisions; operating margin for overall business efficiency.
When to Use Each
Use Gross Margin (GM) when…
Use gross margin to evaluate the core product or service economics and compare across SKUs, product lines, or customer segments.
Full Gross Margin guide →Use Operating Margin (OM) when…
Use operating margin to measure management's effectiveness at controlling operating costs and to compare operating efficiency across companies in the same sector.
Full Operating Margin guide →Formulas
GROSS MARGIN (GM)
Gross Margin % = ((Revenue - Cost of Goods Sold) / Revenue) × 100
Revenue - Cost of Goods SoldOPERATING MARGIN (OM)
Operating Margin % = (Operating Income / Revenue) × 100
Gross Profit - Operating ExpensesCharts
Gross Margin (GM)
Operating Margin (OM)