Act on the result
Set the composite break-even units and product-level unit targets only if the planned sales mix can be maintained.
Educational only: Business decision support, not accounting, tax or legal advice.
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Update policy: Reviewed when formulas or official dependencies change.
Scope: Market-neutral small-business planning using your own assumptions.
What this planner helps you decide
Best for
Owners calculating break-even for a stable two-product unit mix.
Outputs
Weighted contribution, composite units, revenue and units by product.
Start here
Set sales shares that total exactly 100% and retest if the expected mix changes.
Use a different tool when: Do not use this to stress-test profit sensitivity to revenue; use Operating Leverage Scenario Planner for that decision. Use this tool to calculate break-even for an explicit product mix.
Profit & break-even
Weighted Multi-product Break-even: weighted contribution
Weighted contribution, composite units, revenue and units by product.
Amounts use the same currency as your inputs. No currency conversion is performed.
Weighted Multi-product Break-even
Calculate a composite break-even threshold from an explicit two-product sales mix.
Your numbers stay in this browser
Ex-tax price per unit. Use one consistent ex-tax monetary basis.
Avoidable cost per unit. Use one consistent ex-tax monetary basis.
Expected unit share of the mix.
Ex-tax price per unit. Use one consistent ex-tax monetary basis.
Avoidable cost per unit. Use one consistent ex-tax monetary basis.
Expected unit share; both shares must total 100%.
Fixed cost for the planning period. Use one consistent ex-tax monetary basis.
Decision result
Each output is bound to its own registered engine formula step.
PDF and CSV exports stay on this device. Clean page links contain no inputs.
- Composite break-even units
- 2,565 units
- Weighted Contribution Per Unit Ex Tax
- 39.00
- Weighted Price Per Unit Ex Tax
- 88.00
- Break Even Revenue Ex Tax
- 225,720.00
- Product AUnits
- 1,539 units
- Product BUnits
- 1,026 units
Scenario comparison
Each row names the assumption axis changed from the baseline.
ScenarioResultDifference
Current scenario2,565 unitsBaseline
Lower Fixed costs2,436 units-129 units
Higher Fixed costs2,693 units128 units
Save these results, change an input, then compare the updated figures with this baseline.
The baseline is temporary in this tab and is not added to shared scenario links or generated reports.
Calculation details
View calculation detailsView the formulas and inputs used for these results.
Composite break-even units
Break Even Composite Units
ceil(fixed costs / weighted contribution)2,565 whole composite units/planning periodResult2,565 units
Reports units for the entered planning period using the declared ex-tax revenue, cost and capacity basis. The engine retains full precision; only presentation is rounded.
Weighted Multi-product Break-even Planner formulas →Inputs used by these formula steps
- Break Even Composite UnitsProduct APrice Ex Tax
- 100
- Break Even Composite UnitsProduct AVariable Cost Ex Tax
- 55
- Break Even Composite UnitsProduct ASales Share
- 0.6
- Break Even Composite UnitsProduct BPrice Ex Tax
- 70
- Break Even Composite UnitsProduct BVariable Cost Ex Tax
- 40
- Break Even Composite UnitsProduct BSales Share
- 0.4
- Break Even Composite UnitsFixed Costs Ex Tax
- 100,000
Weighted Contribution Per Unit Ex Tax
Weighted Contribution Per Unit Ex Tax
A contribution × A share + B contribution × B share39.00Result39.00
Reports money for the entered planning period using the declared ex-tax revenue, cost and capacity basis. The engine retains full precision; only presentation is rounded.
Weighted Multi-product Break-even Planner formulas →Inputs used by these formula steps
- Weighted Contribution Per Unit Ex TaxProduct APrice Ex Tax
- 100
- Weighted Contribution Per Unit Ex TaxProduct AVariable Cost Ex Tax
- 55
- Weighted Contribution Per Unit Ex TaxProduct ASales Share
- 0.6
- Weighted Contribution Per Unit Ex TaxProduct BPrice Ex Tax
- 70
- Weighted Contribution Per Unit Ex TaxProduct BVariable Cost Ex Tax
- 40
- Weighted Contribution Per Unit Ex TaxProduct BSales Share
- 0.4
- Weighted Contribution Per Unit Ex TaxFixed Costs Ex Tax
- 100,000
Weighted Price Per Unit Ex Tax
Weighted Price Per Unit Ex Tax
A price × A share + B price × B share88.00Result88.00
Reports money for the entered planning period using the declared ex-tax revenue, cost and capacity basis. The engine retains full precision; only presentation is rounded.
Weighted Multi-product Break-even Planner formulas →Inputs used by these formula steps
- Weighted Price Per Unit Ex TaxProduct APrice Ex Tax
- 100
- Weighted Price Per Unit Ex TaxProduct AVariable Cost Ex Tax
- 55
- Weighted Price Per Unit Ex TaxProduct ASales Share
- 0.6
- Weighted Price Per Unit Ex TaxProduct BPrice Ex Tax
- 70
- Weighted Price Per Unit Ex TaxProduct BVariable Cost Ex Tax
- 40
- Weighted Price Per Unit Ex TaxProduct BSales Share
- 0.4
- Weighted Price Per Unit Ex TaxFixed Costs Ex Tax
- 100,000
Break Even Revenue Ex Tax
Break Even Revenue Ex Tax
composite units × weighted price225,720.00Result225,720.00
Reports money for the entered planning period using the declared ex-tax revenue, cost and capacity basis. The engine retains full precision; only presentation is rounded.
Weighted Multi-product Break-even Planner formulas →Inputs used by these formula steps
- Break Even Revenue Ex TaxProduct APrice Ex Tax
- 100
- Break Even Revenue Ex TaxProduct AVariable Cost Ex Tax
- 55
- Break Even Revenue Ex TaxProduct ASales Share
- 0.6
- Break Even Revenue Ex TaxProduct BPrice Ex Tax
- 70
- Break Even Revenue Ex TaxProduct BVariable Cost Ex Tax
- 40
- Break Even Revenue Ex TaxProduct BSales Share
- 0.4
- Break Even Revenue Ex TaxFixed Costs Ex Tax
- 100,000
Product AUnits
Product AUnits
composite units × A share1,539 product A units/planning periodResult1,539 units
Reports units for the entered planning period using the declared ex-tax revenue, cost and capacity basis. The engine retains full precision; only presentation is rounded.
Weighted Multi-product Break-even Planner formulas →Inputs used by these formula steps
- Product AUnitsProduct APrice Ex Tax
- 100
- Product AUnitsProduct AVariable Cost Ex Tax
- 55
- Product AUnitsProduct ASales Share
- 0.6
- Product AUnitsProduct BPrice Ex Tax
- 70
- Product AUnitsProduct BVariable Cost Ex Tax
- 40
- Product AUnitsProduct BSales Share
- 0.4
- Product AUnitsFixed Costs Ex Tax
- 100,000
Product BUnits
Product BUnits
composite units × B share1,026 product B units/planning periodResult1,026 units
Reports units for the entered planning period using the declared ex-tax revenue, cost and capacity basis. The engine retains full precision; only presentation is rounded.
Weighted Multi-product Break-even Planner formulas →Inputs used by these formula steps
- Product BUnitsProduct APrice Ex Tax
- 100
- Product BUnitsProduct AVariable Cost Ex Tax
- 55
- Product BUnitsProduct ASales Share
- 0.6
- Product BUnitsProduct BPrice Ex Tax
- 70
- Product BUnitsProduct BVariable Cost Ex Tax
- 40
- Product BUnitsProduct BSales Share
- 0.4
- Product BUnitsFixed Costs Ex Tax
- 100,000
Inputs used
- Product A price
- 100.00
- Product A variable cost
- 55.00
- Product A sales share
- 0.6
- Product B price
- 70.00
- Product B variable cost
- 40.00
- Product B sales share
- 0.4
- Fixed costs
- 100,000.00
Open this calculator with preset values
This calculator supports documented, shareable scenario URLs. Compatible assistants and applications can construct links using the parameters below.
Scenario links contain only allowlisted numeric and closed-choice inputs shown in the URL; Margin101 excludes free text and identifying fields. Anyone you share the URL with can read those numbers, so do not include private or identifying data.
| Parameter | Meaning | Unit | Allowed values | Presence | Default |
|---|---|---|---|---|---|
| fixedCostsExTax | Fixed cost for the planning period. Use one consistent ex-tax monetary basis. | currency units/planning period, ex tax | 0 to 100000000 | Required | 100000 |
| productAPriceExTax | Ex-tax price per unit. Use one consistent ex-tax monetary basis. | currency units/product A unit, ex tax | 0 to 100000000 | Required | 100 |
| productASalesShare | Expected unit share of the mix. | proportion of weighted sales assigned to productASalesShare | 0 to 0.99 | Required | 0.6 |
| productAVariableCostExTax | Avoidable cost per unit. Use one consistent ex-tax monetary basis. | currency units/product A unit, ex tax | 0 to 100000000 | Required | 55 |
| productBPriceExTax | Ex-tax price per unit. Use one consistent ex-tax monetary basis. | currency units/product B unit, ex tax | 0 to 100000000 | Required | 70 |
| productBSalesShare | Expected unit share; both shares must total 100%. | proportion of weighted sales assigned to productBSalesShare | 0 to 0.99 | Required | 0.4 |
| productBVariableCostExTax | Avoidable cost per unit. Use one consistent ex-tax monetary basis. | currency units/product B unit, ex tax | 0 to 100000000 | Required | 40 |
Weighted Multi-product Break-even: weighted contribution
Composite break-even units applies the declared two-product sales mix to a weighted contribution threshold.
Formula summary
- Primary formula
- composite units = ceil(fixed costs / weighted contribution per unit)
Data used here
- The estimate uses your inputs and the general business formula documented in the methodology.
Decision checks
Stress-test the decision
Retest Product A sales share and Product B sales share as percentages of the same period unit mix.
When this estimate can be misleading
- Results depend on complete, consistently classified inputs.
- Demand, timing, quality and strategic fit remain separate decisions.
- This is educational business decision support, not accounting, tax, legal or financial advice.
- Composite break-even units applies the declared two-product sales mix to a weighted contribution threshold.
Educational estimate, not advice. See all assumptions & limitations →
Related reading
Guides to interpret the decision and its assumptions.
- Break-Even When the Sales Mix Changes
Calculate weighted unit contribution, round composite break-even units upward and stress-test a changed sales mix transparently.
Read guide
Frequently asked questions
How do I calculate break-even for an explicit product mix?
Set the composite break-even units and product-level unit targets only if the planned sales mix can be maintained.
Which planning assumptions should I stress-test?
Compare a plausible alternative scenario and verify the decision-critical assumption that changes the plan most.