Business
Contribution Margin Ratio Calculator
Calculate contribution margin ratio and contribution margin amount from sales revenue and variable costs.
- Free to use
- Runs in your browser
- Level B · Industry formula
- Last reviewed 2026-08-16
Calculator guide
How to use the Contribution Margin Ratio Calculator
Calculate contribution margin ratio and contribution margin amount from sales revenue and variable costs. Enter the requested values and select Calculate. The result and supporting values are produced locally in your browser.
Formula
Worked example
With $100,000 in sales and $60,000 in variable costs, contribution margin is $40,000 and the contribution margin ratio is 40%.
What to keep in mind
- Contribution margin ratio shows the share of sales remaining after variable costs.
- Classifying costs as fixed or variable can differ by business context.
Methodology
This calculator uses deterministic arithmetic and performs the calculation locally in your browser. Verify assumptions, units, and source values for your specific use case.
Review standard: Level B · Industry formula. How calculator reviews work.
Frequently asked questions
What does this calculator calculate?
Calculate contribution margin ratio and contribution margin amount from sales revenue and variable costs.
How is the result calculated?
Contribution Margin Ratio = (Sales − Variable Costs) ÷ Sales × 100.
Can I use the result for an important decision?
Use the result as a calculation aid and verify the inputs, assumptions, and applicable professional or regulatory requirements before relying on it for an important decision.
Does CalculateMeasure store the values I enter?
The calculator performs its arithmetic in your browser. The calculator itself does not need to send your entered values to a server to produce the result.