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How much room is left for marketing in my current monthly sales?

Enter your numbers below. Get the answer first, then Koala's next move.

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Result detail level
Numbers to enter
Use a normal month of sales, the direct costs attached to those sales, wages and other monthly costs, then optionally enter how much profit you want left after marketing.

Product, supplier, fulfilment, transaction and other costs that rise with the sales included above.

Costs the business still needs to cover after the direct sales costs above.

This is your own target. Leave at 0 if you only want to see the absolute ceiling before profit.

Koala's Calculated Result
The maximum room for marketing inside the static monthly sales and cost envelope you entered — not a recommendation to spend the full amount.

Enter the numbers you know

The detailed explanation will appear here once the calculator has a result.

Add monthly sales and the costs the business needs to cover.

Koala's Professional Opinion

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The decision and next steps will appear here.

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Definition and method

What this calculator answers

See the maximum room left for marketing inside the current monthly sales and cost envelope you enter. It is not a recommendation to spend the full amount.

Current monthly contribution envelope

Use current monthly sales and the contribution cost structure entered to calculate how much the current business activity leaves before marketing and fixed overhead.

Worked example: your figures

The interactive result above is the worked example. Change any input and the same deterministic engine recomputes the answer; this page does not insert a generic example business or silently treat example values as a benchmark.

  • No market benchmark or outcome is silently inserted by this page.

What should I check next?

Frequently asked questions

What does this calculator solve?

It calculates how much room the current monthly economics leave for marketing after the entered overhead and owner-selected profit amount. That is an affordability ceiling under the inputs, not the budget the business should automatically spend next month.

Marketing Budget

Should the budget be a % of revenue or a fixed $?

Use the calculator result for the inputs entered and keep any market-response or operating recommendation separate from the deterministic calculation. Support that additional assumption with the business’s own evidence or an explicitly labelled scenario.

Marketing Budget

What inputs do I need?

Revenue, contribution margin, fixed overhead and the target profit (or the loss you can sustain while you ramp). No DB or platform — a calc is enough input to size the budget at a planning lens.

Marketing Budget

How often should I re-size?

Re-size when sales, contribution margin, fixed overhead or the profit amount to preserve changes materially. MarginKoala does not impose a universal monthly or weekly refresh cadence.

Marketing Budget

Educational use, not financial advice. Numbers are estimates for planning; consult a qualified professional before acting on them.