Break-Even Calculator (Units)
Units sold so contribution margin covers fixed overhead for that horizon.
Open calculator →Cost-plus shelf price implied by landed cost plus target gross margin %.
Use when procurement gave you dependable COGS and you need margin guardrails—not when brand premium is the whole thesis.
Cost-plus answers “what margin does this COGS support?” Market price still has its own ceiling.
Results are simplified estimates for educational purposes only and should not be treated as financial, accounting, legal, or tax advice. See our disclaimer for details.
Cost ÷ (1 − desired gross margin %) when margin stays below 100%.
Using the default example values from the JSON seed for this tool:
Result: $42.86 (Suggested selling price)
Cost-plus price to hit a target gross margin percentage.
Market price may be lower—this answers “what margin does my cost support,” not “what will sell.”
Marketplace fees belong in your cost base when selling on platforms.
Use margin or break-even unit math when list price must clear operating goals too.
Units sold so contribution margin covers fixed overhead for that horizon.
Open calculator →Goal completions divided by landing visits for the slice you counted.
Open calculator →Margin percent after product, shipping, and payment costs measured against selling price.
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