Calculate gross profit, gross margin, markup, operating income, and operating margin for a small business.
USD inputs · transparent calculation assumptions
Instant updates as inputs change
Data is calculated in this browser only
USD inputs · transparent calculation assumptions
Operating margin30%
Gross profit
$120,000.00
Gross margin
60%
Markup on cost of goods
150%
Operating income
$60,000.00
Total operating cost
$140,000.00
Calculation notes
Understand the Small business profit margin calculator
The Small Business Profit Margin Calculator validates each input, applies the displayed 2026 assumptions, and calculates gross profit, markup, operating income, and operating margin with consistent annual or monthly cash-flow timing.
Formula and logic
How does the Small Business Profit Margin Calculator calculate gross profit, markup, operating income, and operating margin?
Small Business Profit Margin Calculator model 14: normalized inputs are combined through the page-specific tax, amortization, margin, or ratio equation; every displayed total is derived from the same scenario.
Worked example
Which inputs have the biggest effect in the Small Business Profit Margin Calculator?
Example 14: enter the prefilled values in the Small Business Profit Margin Calculator; the primary result and supporting metrics update together so one changed assumption can be compared without mixing scenarios.
How to read the result
What does a worked Small Business Profit Margin Calculator example show?
Read the primary result together with the supporting gross profit, markup, operating income, and operating margin metrics.
Change one major assumption at a time to see whether the conclusion is stable.
Limits and assumptions
Which costs or rules are outside the Small Business Profit Margin Calculator?
This planning model excludes case-specific eligibility, professional fees, local rules, and future rate or law changes unless the page explicitly includes them.