Free small business calculator

Test your business idea before you invest.

Choose an industry-specific simulator, enter your assumptions, and test revenue, startup costs, margin, break-even, payback, cash flow and risk in one practical snapshot.

Indicative planning estimates only — not financial advice or a guarantee of profit.

Start your free simulation

What business are you planning?

Free snapshot · Adjust assumptions any time · No profit guarantees

One connected model

See what must go right for the business to work.

Each simulator uses a fixed, tested calculator for its business type. Your inputs and available location context feed the formulas; AI does not calculate or invent the figures.

Revenue
Sales generated by the volumes and prices you enter.
Costs
Variable, staffing, occupancy and other operating costs.
Margin
What remains after the relevant costs are deducted.
Break-even
The activity needed to cover the modelled cost base.
Payback
How long modelled cash generation takes to recover setup costs.
Cash flow and risk
Timing pressure and assumptions with the greatest impact.

How it works

Assumptions in. Deterministic results out.

  1. Choose a business. Start with inputs designed for that operating model.
  2. Add what you know. Adjust prices, volume, rent, staffing and setup costs.
  3. Review the snapshot. Compare the connected outputs and change assumptions to test scenarios.

What the result means

A planning check, not a forecast.

Results depend on the assumptions you enter. They do not predict demand, approve a lease, replace tax or legal advice, or account for every local rule. Verify quotes, wages, taxes and lease terms before making a commitment.

A control panel of sliders and inputs feeding a live revenue, cost and profit chart

Need one answer first?

Start with a focused business calculation.

Break-even

See how many sales cover your fixed costs.

Use price, variable cost and fixed costs to calculate a monthly break-even target.

Open break-even calculator →Profit margin

Separate gross margin, markup and net margin.

Use revenue, cost of goods and operating expenses to understand each measure.

Open profit margin calculator →