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Simple Cash Breakeven Unit Margin Tool

Compute continuous-unit cash break-even from fixed cash outlays and a positive unit cash contribution.

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Description

Divide fixed cost by the positive unit margin for breakEvenUnits.

Financial model terms depend on a currency, valuation date, and stated formula. A supplied discount or allocation rule is a modeling assumption and does not establish a market price or an appropriate investment decision.

Divide fixed cost by the positive unit margin for breakEvenUnits.

When to use this tool

Use Simple Cash Breakeven Unit Margin when you need one financial arithmetic component under explicit supplied assumptions.

How to use the tool and how it works

  1. Enter fixedCashCost, unitSellingPrice, unitVariableCashCost. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read contributionPerUnit, breakEvenUnits. Use the output convention below.

Require nonnegative fixedCashCost and unitVariableCashCost with unitSellingPrice strictly above variable cost. Divide fixed cost by the positive unit margin for breakEvenUnits.1

Input fieldMeaning and unitsAccepted input
fixedCashCostFixed Cash CostRequired. Finite number; minimum 0.
unitSellingPriceUnit Selling PriceRequired. Finite number.
unitVariableCashCostUnit Variable Cash CostRequired. Finite number; minimum 0.
Output fieldInterpretationReturned shape
contributionPerUnitContribution Per UnitRequired. Finite number.
breakEvenUnitsBreak Even UnitsRequired. Finite number.
json
{
  "input": {
    "fixedCashCost": 1200,
    "unitSellingPrice": 25,
    "unitVariableCashCost": 10
  },
  "output": {
    "contributionPerUnit": 15,
    "breakEvenUnits": 80
  }
}

Limitations and assumptions

  • Break-even units may be fractional; taxes, financing, demand, capacity, timing, and noncash costs are omitted.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Evaluate the complete cash-flow model, contract terms, and relevant professional advice before acting on the result.

References

  1. Calculation and input contract: finance/simple-cash-breakeven-unit-margin — tool.io

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