average billable work time per day of service technician
(Total non work time) 30 days. Total days available for work 230 days. Next you have to determine your actual billable time. In most settings, the actual billable time will average 6 hours out of every 8, due to cancellations, no shows, or other problems. So: Available time = 230 days =1840 hrs/yr. Billable time/day = 6/8 =1380 hrs/yr.