Utilization Rate

What is Utilization Rate?

Utilization rate measures what percentage of available working hours generate client revenue. If a consultant has 160 available hours in a month and bills 112 hours to clients, utilization is 70%.

For agencies and consulting firms, utilization directly determines profitability. A firm with 60% utilization is paying for 40% idle capacity. That unbilled time still incurs salary, benefits, and overhead costs without generating revenue.

Utilization also affects cash flow timing. High utilization on projects with milestone billing means more work is being performed before corresponding payments arrive, potentially widening the cash gap. Low utilization means revenue is not keeping pace with fixed costs. Both extremes create cash pressure through different mechanisms. See the agency finance guide. Tracking utilization alongside billing timing shows whether capacity problems or collection problems are driving cash stress in a given month. Low utilization with strong collections still signals a revenue problem that will become a cash problem soon.

Why it matters

Utilization is the operational lever that connects team capacity to revenue and cash. Agencies that track utilization alongside collection timing understand both sides of the cash flow equation.

Formula

Utilization Rate = Billable Hours / Available Hours × 100

Example

How RunwayCal helps

Common mistakes

• 1Tracking utilization without connecting it to cash collection timing
• 2Aiming for maximum utilization without accounting for non-billable necessities
• 3Not comparing utilization trends against revenue and cash flow trends