Break-Even Calculator

Last updated: 2026-08-24

Break-Even Calculator — Calculate the units and outputs needed to cover all costs.
Inputs
Result
Enter values and press Calculate

How to use it

  1. {'step': 1, 'description': 'Calculate contribution margin per unit', 'calculation': '€75 - €42 = €33 per unit'}
  2. {'step': 2, 'description': 'Divide fixed costs by contribution margin', 'calculation': '€8,500 ÷ €33 = 257.58 units'}
  3. {'step': 3, 'description': 'Round up to whole units', 'calculation': '258 units needed'}
  4. {'step': 4, 'description': 'Calculate break-even revenue', 'calculation': '258 × €75 = €19,350'}

Common mistakes

  • ⚠️ Not including all fixed costs (rent, salaries, insurance, utilities)
  • ⚠️ Underestimating variable costs per unit
  • ⚠️ Forgetting that break-even is a minimum target, not a goal

Worked example

Finding break-even point for business with €8,500 fixed costs, €75 selling price, and €42 variable cost per unit.

You need to sell pe_units of {pe_unidades} units to break even. This generat is pe_ventas_eur of {pe_ventas_eur} in revenue.

Input guide

FieldTypical range
coste_variable€1 - €2,000 per unit variable cost
precio_venta€5 - €5,000+ per unit selling price
costes_fijos€500 - €500,000+ monthly fixed costs