Profit Margin Calculator.
Calculate gross profit and margin from revenue and cost.
Connected to Zektrx
Use this result as a planning estimate, then create controlled Zektrx records for tasks, templates, evidence, actions, pricing and delivery.
Instant Results
Gross profit
250.00GBP
Revenue less cost.
Profit margin
20.0%
Profit as a percentage of revenue.
Equivalent markup
25.0%
Profit as a percentage of cost.
Explanation
What this calculates
The calculator also shows equivalent markup so commercial teams can compare both measures.
Formula
Margin = (revenue - cost) / revenue x 100
Inputs are validated on screen and converted where unit options are available.
Worked Example
Example result
GBP1,250 revenue and GBP1,000 cost gives GBP250 profit, 20% margin and 25% markup.
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Templates
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Software
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Learn before you act.
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Calculator questions.
Should overheads be included in cost?
Include the cost basis your company uses for margin control, and be consistent across jobs.
Can margin be negative?
Yes. If cost exceeds revenue, the result shows a negative margin.
Next Step
Make estimates part of the job record.
Zektrx connects calculators, templates, articles, evidence, actions, pricing and free trial routes so one-off estimates can become repeatable contractor workflows.