Break-Even Calculator
Calculate how many units you need to sell to break even, plus a profit/loss projection and a visual break-even chart.
Calculated locally in your browser.
- Answers the core question: how many units before you stop losing money?
- Shows the break-even both as a unit count and as a revenue figure.
- Projects profit or loss at your own expected sales volume, not just the break-even point itself.
- Plots fixed cost, total cost, and revenue lines on a chart so you can see how sensitive the break-even point is to price or cost changes.
- Runs in your browser — your cost figures aren't uploaded.
Why this is private
- Calculated locally in your browser.
- Open your browser's DevTools → Network tab while using this tool — you won't see a request carrying your input, because it never leaves your device.
- Nothing you enter is uploaded to a server or shared with us — the processing happens entirely on your device.
Overview
Calculates the break-even point — the number of units you need to sell for total revenue to cover total costs — from fixed costs, price per unit and variable cost per unit. Optionally enter an expected sales volume for a profit/loss projection at that specific number, and see it all on a break-even chart.
How to use it
- 1Enter your monthly fixed costs.
- 2Enter the price and variable cost per unit.
- 3View the break-even point in units and revenue.
- 4Optionally enter an expected units-sold figure to see the projected profit or loss at that volume, plotted on the chart.
Formula
Break-even units
Fixed costs / (Price per unit − Variable cost per unit)
Tips
- Fixed costs are expenses that don't change with sales volume (rent, salaries); variable costs scale with each unit sold (materials, shipping).
Frequently asked questions
What people use it for
Price a new productTest whether a proposed price gives a realistic break-even volume.
Decide if a fixed-cost increase is affordableSee how many more units a new hire or larger space requires.
Set a monthly sales targetUse the break-even unit count as the floor for a sales plan.
Compare two cost structuresCheck whether lower variable cost or lower fixed cost breaks even sooner.
Plan for a specific sales forecastEnter your actual expected volume to see the real profit or loss it would produce, not just whether you'd clear break-even.
Related tools
All finance toolsProfit Margin CalculatorCalculate profit margin and markup from cost and selling price.Commission CalculatorCalculate sales commission for a single sale or a whole batch of sales at once.Invoice GeneratorCreate and download a professional PDF invoice with your own logo.Receipt GeneratorCreate and download a PDF payment receipt with your own logo.
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Break-Even Calculator