The Math · Break-Even
When you stop bleeding.
Fixed costs ÷ contribution margin per unit. The number of jobs you need this month before profit starts.
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Inputs
Rent, software, salaries, insurance — everything you pay whether you sell or not.
Receipts
Break-even units / month
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Break-even revenue / month
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Contribution margin / unit
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How this is calculated
contribution_margin = price_per_unit − variable_cost_per_unitbreak_even_units = fixed_costs / contribution_marginbreak_even_revenue = break_even_units × price
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