Cycle Time Calculator
Find the average time to move one unit through a process.
How cycle time works
Cycle time is the average time it takes to move one unit all the way through a process — the standard Lean/Six Sigma throughput metric, used to find bottlenecks and track process improvement over time.
Enter the total process time for a batch of work and the number of units completed in that time. The calculator returns the average cycle time per unit.
Cycle time is different from Turnaround Time: turnaround measures the elapsed calendar time for one specific item from start to finish, while cycle time is a throughput average across many units — useful for comparing process efficiency, not tracking one item's journey.
The formula
Cycle time = Total process time ÷ Units completed
Divide the total time spent processing by the number of units completed in that time. The result is the average time per unit.
Worked example
900 minutes of total process time, 60 units completed
900 ÷ 60 = 15 minutes average cycle time per unit.
Frequently asked questions
How is cycle time different from turnaround time?
Turnaround time is the elapsed calendar time for one item, start to finish (including any queue/wait time). Cycle time here is a throughput average across many units — useful for comparing process efficiency over time.
What can I do with a rising cycle time?
A rising average cycle time is a standard signal to investigate for bottlenecks, resourcing gaps, or process changes — compare it against your historical baseline to spot regressions.
Should I use minutes, hours or days?
Whatever unit is most useful for your process — enter total time and unit count in the same time unit throughout, and the result will be in that same unit.
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