Agency Project Margin Calculator
Instantly compute project profitability, gross margin %, cost per delivery hour, target selling price, and margin gap. Built for agencies, freelancers, and studio owners who want to protect their margins.
📋 Project inputs
📊 Margin analysis
📐 Core formula
Margin = (Revenue − Total Costs) ÷ Revenue × 100
Understanding project margin for agencies
Key concepts every agency owner and freelancer should master to stay profitable.
Gross margin
Gross margin is the percentage of revenue left after subtracting direct project costs. It reveals how efficiently you deliver work before overhead. A healthy agency gross margin typically ranges from 40–60%.
Project profitability
Project profitability measures the absolute profit a single engagement generates. Even high-margin projects can be unprofitable if the absolute dollars are too small to cover fixed costs.
Direct costs
Direct costs are expenses tied specifically to delivering a project: contractor fees, software licenses, materials, and subcontractor invoices. They exclude general business overhead.
Labor cost & loaded cost
Labor cost is what you pay a person. Loaded cost includes taxes, benefits, equipment, and overhead — often 1.25–1.5× the base rate. Using loaded cost prevents underpricing.
Overhead
Overhead covers rent, admin salaries, insurance, and tools that aren't project-specific. Allocating overhead to projects gives a truer picture of net profitability.
Utilization & scope creep
Utilization is the share of hours that are billable. Scope creep — unbilled extra work — erodes margins fast. Track both to keep projects on budget and on target.
📝 Worked example
Let's walk through a real project to see the math in action.
Project inputs
- Project revenue$25,000
- Delivery cost (labor + contractor)$8,000
- Billable hours120 hrs
- Loaded hourly cost$65/hr
- Software / direct costs$1,200
- Subcontractor costs$3,000
- Other expenses$800
- Overhead allocation$2,500
- Target margin35%
Calculated results
- Total project cost$15,500
- Gross profit$9,500
- Gross margin %38.0%
- Cost per delivery hour$129.17
- Profit per project$9,500
- Target selling price (35%)$23,846
- Margin difference+3.0%
Frequently asked questions
Everything you need to know about agency project margins.
What is a good gross margin for an agency?▼
Most healthy agencies target 40–60% gross margin on projects. Freelancers often aim higher (50–70%) since they have lower overhead. Below 30% usually signals pricing or scope issues.
How do I calculate loaded hourly cost?▼
Take an employee's base hourly rate and multiply by 1.25–1.5 to account for taxes, benefits, equipment, and downtime. For contractors, the invoice rate is often already loaded.
Why should I include overhead in project costing?▼
Overhead (rent, admin, insurance) must be paid from somewhere. Allocating a portion to each project prevents you from overestimating profit and ensures you cover fixed costs.
What is the difference between markup and margin?▼
Margin is profit ÷ revenue. Markup is profit ÷ cost. A 50% markup equals a 33% margin. Confusing them leads to underpricing — always use margin for profitability targets.
How does scope creep affect project margin?▼
Every unbilled extra hour increases cost without increasing revenue, directly reducing margin. Track scope changes and issue change orders to protect profitability.
What is billable utilization?▼
Utilization is the percentage of total working hours that are billable. High utilization (70–85%) is ideal. Low utilization means you're paying for non-billable time that eats into margin.
How do I set a target selling price for a desired margin?▼
Target price = Total cost ÷ (1 − Target margin). For example, $10,000 cost with 40% target margin → $10,000 ÷ 0.60 = $16,667.
Should I include subcontractor costs in direct costs?▼
Yes. Subcontractor payments are direct project costs and must be subtracted from revenue before calculating gross margin.
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