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Return on Sales Calculator
Measure how much operating profit a business generates from each dollar of sales with the Return on Sales (ROS) calculator.
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What is Return on Sales?
Return on Sales (ROS), also known as operating margin, measures how much operating profit a company generates for each dollar of sales revenue, reflecting operational efficiency before interest and taxes.
The formula
ROS = (Operating Profit / Net Sales) × 100. Comparing ROS across periods or against competitors highlights how well a company is controlling its operating costs relative to revenue.
This calculator is for general financial-analysis education.
Last reviewed August 2026