IO
Profit Margin Calculator
Profit margin calculator that turns revenue and COGS into gross margin and markup, with worked examples, sector benchmarks, and practical tips to raise it.
Free tools
Operator-built, no-signup calculators for the numbers that run a business — margins, ROI, break-even, employee and customer costs. Each one is instant, private (the math runs in your browser), and explains the formula behind the result.
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