Contractor Calculator

Markup and margin are not the same thing.

Use this quick calculator to see how job cost and markup translate into selling price, gross profit, and profit margin.

Bid with clearer numbers

Estimate the difference before you price the job.

Markup is the percentage added on top of cost. Margin is the percentage of the final selling price that remains as gross profit. Confusing the two can quietly shrink job profitability.

This tool is for planning and education. It does not replace a full job-costing process, but it can help contractors think more clearly before sending the next proposal.

Selling price$13,500
Gross profit$3,500
Profit margin25.9%

Markup is added to cost. Margin is the percentage of the selling price that remains after direct job costs. They are related, but they are not the same number.

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