Work out a selling price from your cost using either margin or markup, plus GST-inclusive pricing.
Open toolBreak-Even Calculator
Find how many units you need to sell to cover your fixed costs - and your margin of safety beyond that.
How to use it
Enter fixed costs, selling price and variable cost per unit; review the contribution and break-even volume.
When it helps
Check how many sales cover operating costs.
Worked example
Fixed costs of 10,000 and contribution of 100 per unit require 100 units to break even.
Assumptions and privacy
Calculations run in your browser. Results are estimates based on your inputs and the model shown, with rounding differences possible. They do not replace a lender quote, payroll review, tax filing or professional advice. Confirm rates and rules for your situation before using the result.
About this calculator
Break-even analysis tells you the exact sales volume where revenue stops being eaten by fixed costs. Enter your fixed costs, selling price, and variable cost per unit to see your break-even point and, if you add current sales, your margin of safety.
Frequently asked questions
What counts as a fixed cost vs a variable cost?
Fixed costs don't change with sales volume - rent, salaries, software subscriptions. Variable costs scale with each unit sold - materials, packaging, per-unit shipping, payment processing fees.
What's contribution margin?
It's the selling price minus the variable cost per unit - the amount each sale contributes toward covering fixed costs (and, beyond break-even, toward profit).
What's margin of safety?
The gap between your current (or expected) sales and your break-even point - it tells you how far sales can drop before you stop being profitable.
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