SUE

Business

Staffing Unit Economics Calculator

Calculate loaded employee cost, billable capacity, revenue, contribution, margin, break-even utilization, target-margin utilization, and team contribution.

Annual salary per employeeBenefits and payroll burden (%)Tools and facilities per employeeAllocated overhead per employeeAvailable paid hours per yearBillable utilization (%)Average billing rate per hourTeam headcountTarget contribution margin (%)

Benefits and payroll burden-

Fully loaded annual cost per employee-

Billable hours per employee-

Revenue per employee-

Revenue minus loaded cost-

Contribution as revenue share-

Utilization required to cover loaded cost-

Utilization required for target margin-

Team annual contribution-

Decision view

Loaded cost bridge and utilization thresholds

Loaded cost bridge and utilization thresholdsCost composition, break-even utilization, target utilization, revenue, and contribution reconcile in one decision view.

Exact scenario comparisonBillable utilization (%) changes while all other entered assumptions remain constant.

Billable utilization (%)	Benefits and payroll burden	Fully loaded annual cost per employee	Billable hours per employee	Revenue per employee	Revenue minus loaded cost	Contribution as revenue share	Utilization required to cover loaded cost	Utilization required for target margin	Team annual contribution

How to use Staffing Unit Economics Calculator

Enter salary and burden assumptions.
Add tools, facilities, and allocated overhead.
Enter available hours, utilization, and billing rate.
Compare current utilization with break-even and target thresholds.

Calculator guide

Understanding Staffing Unit Economics Calculator

Staffing unit economics starts with fully loaded employee cost, converts paid capacity into billable hours, and compares the resulting revenue with cost before scaling to a team.

Cost first Build the complete unit cost.

Capacity converts Utilization creates billable hours.

Thresholds are solved Break-even is not guessed.

Team scaling is explicit Unit contribution times headcount.

Calculation method

How the calculation works

Analyze staffing economics by combining employee cost components, billable capacity, and revenue before solving break-even and target-margin utilization. Add salary burden, tools, facilities, and overhead to salary; multiply available hours by utilization and billing rate; then back-solve utilization thresholds.

Detailed calculation process

Build employee economics from cost to contribution

The default employee earns $72,000, carries 28% payroll burden, $9,000 tools and facilities, $18,000 overhead, 2,080 available hours, 72% utilization, and a $115 hourly billing rate.

General formula: B = SpC = S+B+F+OH_b = H_uR = H_bqP = R-CM = P/Ru_0 = C/(qH)u_t = C/[(1-m_t)qH]P_team = PN Loaded cost is assembled before revenue. Utilization converts paid hours to billable hours, and the same cost equation is inverted to find break-even and target-margin utilization.

What each symbol means

S, p, B Salary, burden rate, and salary burden (currency).

F, O, C Tools/facilities, overhead, and loaded cost per employee.

H, u, H_b Available hours, utilization share, and billable hours.

q, R Billing rate per hour and revenue per employee.

P, M Contribution and contribution margin.

u_0, u_t, m_t Break-even utilization, target utilization, and target margin.

N, P_team Team headcount and annual team contribution.

Worked substitution with the default inputs

1. Build loaded cost B = 72,000×28% = $20,160C = 72,000+20,160+9,000+18,000 = $119,160 All named annual employee costs are combined once.

2. Convert capacity to billable hours H_b = 2,080×72% = 1,497.6 hours The unused share remains paid capacity but produces no modeled billable revenue.

3. Calculate revenue and contribution R = 1,497.6×$115 = $172,224P = 172,224-119,160 = $53,064 Contribution is before other costs not included in loaded cost.

4. Back-solve utilization thresholds u_0 = 119,160/(115×2,080) = 49.816%u_t = 119,160/[0.75×115×2,080] = 66.421% The target threshold divides cost by the revenue remaining after a 25% margin.

5. Scale to the team M = 53,064/172,224 = 30.811%P_team = 53,064×12 = $636,768 The team calculation assumes identical unit economics for all 12 employees.

At 72% utilization, the default employee contributes $53,064 at a 30.81% margin; the modeled break-even utilization is 49.82%.

Unit-economics decision view

Connect cost composition to utilization thresholds

A cost bridge assembles loaded cost, while a utilization bullet shows break-even, target-margin, and current utilization on one scale.

Salary Base annual pay.

Burden Payroll and benefits.

Overhead Tools and allocations.

Utilization Revenue-producing share.

Worked situations

Practical examples

Loaded annual cost is $119,160.
Billable capacity is 1,497.6 hours per employee.
Twelve identical employees produce $636,768 modeled contribution.

Better inputs

Useful tips

Use realized billing rate after discounts.
Keep utilization and availability definitions consistent.
Model different roles separately when economics differ.

Before relying on the result

Limitations and common mistakes

Collections, overtime, hiring gaps, bench timing, taxes, and variable overhead are excluded.
Team scaling assumes identical employees.
Allocated overhead may not change with headcount.

Reference

Key terms

Loaded cost: Salary plus named burden and overhead components.
Utilization: Billable hours divided by available paid hours.
Contribution: Modeled revenue minus loaded employee cost.

Important note

Calculated from the entered values using the displayed accounting method. Reconcile material decisions with source records and applicable accounting policy.

Frequently asked questions

Why can target utilization exceed break-even?

Break-even produces zero contribution; the target also funds the entered margin.

Does utilization include vacation?

Only according to how available hours are entered.

Is billing rate the list rate?

Use the average realized rate for a practical result.

Does team contribution equal profit?

No. It excludes costs outside the modeled loaded cost.