50,000 USD revenue, 32,000 USD costs
Gross profit is 50,000 minus 32,000, which is 18,000. Margin is 18,000 divided by 50,000, times 100, which is 36%.
Profit margin shows how much of your agency’s revenue is actually profit once costs are covered, as a percentage you can track over time or compare across clients. This calculator subtracts your total costs from revenue to get gross profit, then divides gross profit by revenue and multiplies by 100 for the margin. A thin or negative margin on a client is a signal to raise price, cut cost, or offboard it.
Total revenue for the period or client you are measuring.
Everything spent to deliver the work: salaries, contractors, software, ad spend.
36.0%
Share of revenue remaining as profit after costs.
Formula
gross profit = revenue − costs; margin = gross profit ÷ revenue × 100
The share of revenue left after costs, as a percentage: profit divided by revenue, times 100. A 36% margin means 36 cents of every dollar a client pays stays as profit. Because it is a percentage, it compares clients and months of different sizes, which a dollar profit figure cannot.

Which costs you subtract. Enter only a client’s direct costs and the calculator gives gross margin; include overhead and it gives operating margin:
| Margin | What it subtracts | What it tells you |
|---|---|---|
| Gross margin | Revenue minus the direct cost of delivering the work (team time, contractors, client tools) | Whether a client or service is priced right |
| Operating margin | Gross profit minus overhead (rent, sales, admin, agency-wide software) | Whether the agency as a whole makes money |
| Net margin | Operating profit minus interest and tax | What the owners keep |
It depends on size and service mix, so compare with agencies like yours. Gould+Partners’ 2026 benchmarking survey found North American PR agencies averaged 15.3% operating profit in 2025, rising with size:
| Agency size | Average operating profit |
|---|---|
| Over $25M net revenue | 20.2% |
| $10M to $25M | 14.0% |
| $3M to $10M | 13.4% |
| Under $3M | 8.5% |
| All agencies surveyed | 15.3% (16.6% in 2024) |
Per-client gross margins run higher than these operating figures, because overhead is not yet subtracted. The trend in your own numbers, month to month and client by client, tells you more than any average.
Gross profit is 50,000 minus 32,000, which is 18,000. Margin is 18,000 divided by 50,000, times 100, which is 36%.
Gross profit is 15,000 minus 15,750, which is -750. Margin is -750 divided by 15,000, times 100, which is -5%, meaning this client cost more to serve than it paid.
Price for the real cost to serve, cut the hours that do not reach the client, and keep tool costs from growing with headcount. Check what to charge with the agency pricing calculator. In social media work, much of the hidden cost is posting by hand and chasing approvals: SkedCast bulk-schedules a month per client, gets client approval without a login, and is priced by connected account, so adding a teammate does not raise the bill. See SkedCast for agencies and its white-label reports.
The benchmark figures on this page come from:
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