Break-Even Calculator Bot

Fixed/variable costs and price in, break-even units plus a real price/cost sensitivity table out.

K3N8H Verified

✓ Real preview shipped
✓ License terms specified
✓ Setup/usage instructions included
✓ Actually run before listing

Computes break-even units and revenue from fixed costs, price per unit, and variable cost per unit — plus a 3x3 sensitivity table showing how break-even shifts with +/-10% price and variable-cost changes.

Runs where you work

desktopmobileoffline

Built for a private workflow: local-first execution, no forced cloud dependency, and a clear path to use it on a laptop or phone without an API key.

Included value

Type in fixed costs, price per unit, and variable cost — break-even units and revenue update liveA 3×3 sensitivity grid showing how break-even shifts when price and variable cost move ±10%Optional monthly-volume input to see how many months it would take to reach break-evenA chart of break-even units across the nine price/cost combinationsDownload JSON, print, and autosave to your device (a planning illustration, not a forecast)

Each product is designed to feel personal, useful, and complete without turning your work into an external dependency.

Free tools that go with this

These run in your browser, need no account, and keep what they remember on your own device.

Invoice GeneratorProfessional invoices with saved clients, tax and a print-ready PDF.Budget PlannerIncome and expenses in, savings rate, insights and a plan out.Finance AuditorRun Benford, duplicate, split-payment and cut-off tests on a ledger or bank file and print a working paper.

Preview

Open full preview →

Interactive companion: enter your costs and price and see break-even plus a 3×3 sensitivity grid.

What's included

breakeven_calculator.py
requirements.txt (stdlib only)
breakeven-calculator.html (interactive companion: live break-even units + 3×3 sensitivity grid, saves to your device)
README.md with setup + proof-it-runs output

Built with

PythonHTML

Runs locally with Python 3: no accounts, API keys or internet needed

See README.md — includes the exact command and real output, including the full sensitivity table.

License & pricing

Try it before you buy. The preview above is the real product, not a mockup.

Personal License

For your own work or your own business. No client work, and no resale or redistribution of the files.

Commercial License

$25

Use across client work or resell the output. No reselling the source files/template itself.

What these licenses mean →

Buy via Whop

Refund terms are set per product, and checkout through Whop or Gumroad has its own buyer protection. Questions before you buy? Ask in the chat or on the feedback page; we'll help where we can.

Mini Bots — publishing standard