Calculateur de Break Even
Calculate units needed to break even from fixed cost, price, and variable cost.
Formula and method
This calculator computes Break-even units directly in your browser without sending data to an external server.
Mathematical formula
- Break-even units:
price<=variable ? NaN : fixed ÷ (price - variable)
Variables and parameters
- Fixed costs (fixed): default value 5000 $.
- Price per unit (price): default value 50 $.
- Variable cost per unit (variable): default value 20 $.
Some formulas are undefined for certain input combinations (such as division by zero or logarithms of non-positive numbers). In those cases the live tool displays an alert instead of NaN.
Embed this tool
Paste this snippet into your own site or blog post to embed a live, working copy of this tool. It links back to the full page on SpecWhale.
Frequently asked questions
What equation and variables does Break Even Calculator use?
Break Even Calculator evaluates outputs such as <strong>Break-even units</strong> based on inputs including Fixed costs, Price per unit, Variable cost per unit. Check the Mathematical Method section for the explicit formula.
What happens if I enter invalid or zero values into Break Even Calculator?
If an input combination is mathematically undefined (such as division by zero or negative square roots), SpecWhale alerts you gracefully rather than returning invalid NaN outputs.
Are my calculations in Break Even Calculator saved or private?
All calculations are 100% private and run locally in your Web browser. Your numbers are never uploaded to any server, but can be saved locally to your device or exported as CSV/JSON.
Is Break Even Calculator free to use?
Yes. Break Even Calculator is completely free, has no usage limit, and does not require an account, email, or API key.
Does Break Even Calculator store or upload my data?
No. Break Even Calculator calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.
How accurate is Break Even Calculator?
Break Even Calculator uses a standard formula (see the Method section above for the exact expression). For high-stakes financial, medical, or legal decisions, confirm the result with a professional or an authoritative source before relying on it.
Can I embed Break Even Calculator on my own website?
Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of Break Even Calculator to your own blog post or page.