Sales Mix Weighted Margin Calculator
Different product lines can have different margins. Weight each margin by the revenue actually contributed by that product to estimate the overall gross-margin rate.
How to use this calculator
- Enter the product a revenue using the units shown beside the field.
- Enter the product a gross margin (%) using the units shown beside the field.
- Enter the product b revenue using the units shown beside the field.
- Review the calculated values and check that the assumptions match your scenario.
- Change one input at a time when comparing scenarios so you can see which assumption drives the result.
Formula and assumptions
Combined gross margin = Σ(product revenue × product margin) / total revenue.
- Use revenue and margin figures from the same period and accounting basis; returns, discounts and shared overhead may change reported profitability.
- The result is computed from the values you provide; it does not fetch external rates, live account data or local rules.
Worked examples
Worked example
Revenues of 12,000 at 42%, 8,000 at 35% and 5,000 at 55% produce a blended gross margin of 42.36%.
Example inputs: Product A revenue = 12000, Product A gross margin (%) = 42, Product B revenue = 8000, Product B gross margin (%) = 35.
Compare the displayed output with your own measurements before using it in a decision.
Understanding the result
Use revenue and margin figures from the same period and accounting basis; returns, discounts and shared overhead may change reported profitability.
Results are estimates based on the stated model. If the situation depends on measured conditions or contractual specifications, use those source values rather than typical assumptions.
Important notes
Use revenue and margin figures from the same period and accounting basis; returns, discounts and shared overhead may change reported profitability.
Frequently asked questions
What formula does this calculator use?
It uses the method described above: Combined gross margin = Σ(product revenue × product margin) / total revenue.
What should I verify before relying on the result?
Use revenue and margin figures from the same period and accounting basis; returns, discounts and shared overhead may change reported profitability.
Can I compare different scenarios?
Yes. Change the inputs while keeping units and definitions consistent, and record the assumptions used for each scenario.
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Related explanations
Learn the method behind the number or compare the terminology before using the calculator.
- How to Calculate Sales Tax — Learn the sales tax formula, pre-tax vs total price, and how to reverse a tax-inclusive price.
- How to Calculate Break-Even Point — Learn the break-even formula for units and revenue and understand fixed costs, price, and variable costs.
- Markup — Learn what markup means, how markup is calculated from cost and selling price, and how it differs from margin.
This page provides a calculation tool plus explanatory information so you can understand what the result means and when the underlying method may not fit your situation.