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How to calculate startup capital and break-even

Separate the cash you need to open from the cash you need to keep operating. Then check whether your expected sales can cover the costs.

By the Feasivo team at AnalytiqLab · Updated 22 October 2026

1. List the cash needed before opening

Include equipment, setup work, initial stock, deposits and other payments required before your first sale. A refundable deposit still ties up cash, even though it is different from an operating expense.

Use current quotes for your location and business format. Record what each quote includes and when it was obtained. Separate confirmed amounts from assumptions; do not treat a national average as a local rent quotation.

2. Estimate the operating cash gap

Build a month-by-month forecast of money received and payments due. Include the timing of customer payments, stock purchases, wages, rent and any owner withdrawals. Keep personal living needs visible and avoid counting the same withdrawal twice.

A practical starting calculation is: opening cash needs + the largest cumulative operating cash shortfall + a contingency allowance. The allowance should reflect the risks you identify; there is no single percentage that suits every business.

3. Calculate contribution and break-even

Contribution per sale = selling price minus the variable cost of that sale. Variable costs might include materials, packaging, payment fees and delivery costs. Use a consistent basis when estimating prices and costs.

Break-even units = monthly fixed operating costs divided by contribution per sale. Round up to a whole unit. If contribution is zero or negative, additional sales at that price will not cover fixed costs.

4. Work through an illustrative example

Suppose a service sells for ₹1,000, costs ₹400 per job to deliver and has ₹30,000 in monthly fixed operating costs. Contribution is ₹600 per job. Operating break-even is 50 jobs per month: ₹30,000 ÷ ₹600.

If you also need ₹18,000 a month for owner income and it is not already included in costs, the target becomes 80 jobs: (₹30,000 + ₹18,000) ÷ ₹600. If you can only deliver 60 jobs, the offer, price, costs or income target needs adjustment.

These numbers are a teaching example, not researched market prices. This simplified calculation excludes tax and financing effects. Covering monthly operating costs also does not mean you have recovered the original setup investment.

5. Check a slower-start scenario

Reduce sales and allow for delayed customer payments or higher costs. Look at the lowest cash balance, not just the year-end profit. If cash runs out before sales grow, consider a smaller launch, different terms or a lower fixed-cost format.

For multiple products, test a realistic sales mix. For services, check appointment capacity and delivery hours; for retail, include stock and replenishment timing. Feasivo provides an editable starting model, while complex inventory, financing and tax planning may require a more detailed model.