Accurate work hour calculation really comes down to finding the weak link in your workflow. When time tracking is off, even by a little, it can throw off payroll, planning, and productivity insights. I like to think of it the same way PC performance is analyzed one limiting factor affects everything else. That’s why tools that clearly show imbalances are helpful, whether it’s hours worked or hardware performance. A similar idea is explained here: https://bottleneckcheck.com/