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Estimate only. Platform fees, taxes and policies vary by country, account, category and date. Verify important decisions against your current statement or official fee schedule.
Business calculator
Calculate the unit volume and revenue required to cover fixed and variable costs.
Enter your figures
Estimate only. Platform fees, taxes and policies vary by country, account, category and date. Verify important decisions against your current statement or official fee schedule.
Calculator guide
Contribution per unit is selling price minus variable cost. If that value is zero or negative, selling more units cannot cover fixed costs; price or variable cost must change first.
Replace default assumptions with current account data and keep the scope consistent. A result becomes misleading when revenue is measured for one period but costs come from another.
Review each input before using the result for pricing or budgeting. Run at least a base case and a higher-cost case to understand sensitivity.
This calculator is an independent planning tool, not an official statement or professional advice. Confirm platform rates and important decisions with the linked primary sources.
Formula
Contribution per unit is selling price minus variable cost. If that value is zero or negative, selling more units cannot cover fixed costs; price or variable cost must change first.
Worked example
Rounded to two decimals; use the live calculator to change assumptions.
Frequently asked questions
Use current figures from your account, invoices or cost records. Keep all amounts in the same currency and period.
The arithmetic follows the displayed formula. Accuracy depends on whether every relevant cost and rate has been entered.
Yes. Defaults are examples; platform and business rates should be replaced with the values that apply to you.
Yes. Compare expected and higher-cost scenarios before making a decision.
No. It is an independent estimate for planning and should not replace platform statements or professional advice.
No. The calculation runs in the browser.
Primary sources
Official planning guidance for business costs and break-even preparation.
Official small-business financial management guidance.
Editorially reviewed: 2026-07-21
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