Cycle Time Calculator
Cycle time is how fast you actually make one unit. Get it from your running time and output, turn it into throughput per hour and per shift, then check it against takt to see if you can keep up. Updates as you type.
Production run
Use one shift or one run: keep time and units on the same period.
Want a second look at this result?
Leave your work email if you would like the OEE Lab team to get in touch about your numbers. To keep the result, use Copy link or Print above.
No newsletter, no spam.
Your measured cycle is slower than the nameplate. The gap is hidden loss.
Micro-stops and speed loss quietly stretch every cycle, so the line runs below what it's built for. Fabrico tracks downtime live from PLCs, IoT sensors or AI cameras and, where cameras are fitted, puts the video of a stop next to its machine data with AI-suggested likely causes the team validates, so your real cycle moves back toward the ideal.
Book a Fabrico demo See how Fabrico connects to machinesHow to calculate cycle time
Cycle time = net production time ÷ total units produced. If a cell ran 420 minutes (25,200 seconds) and made 900 units, cycle time = 25,200 ÷ 900 = 28 seconds per unit. That is one finished unit every 28 seconds.
Turn it into throughput by dividing an hour by the cycle: 3,600 ÷ 28 = about 129 units per hour, or roughly 1,029 units across an 8-hour shift at that pace.
Cycle time vs takt vs lead time
- Cycle time: how fast you actually produce one unit (reality).
- Takt time: the pace demand requires (the target). Cycle must be ≤ takt to keep up.
- Ideal cycle time: the fastest the process can run under perfect conditions. It feeds the Performance factor in OEE.
- Lead time: the total time from order to delivery, including waiting.
The line load above compares your cycle to takt. Under 85% you have healthy headroom; near 100% you are tight; over 100% you cannot meet demand as-is and need to cut cycle time or add capacity.
Cycle time drifts on machining and cutting equipment as tools wear and settings slip. The guides for the EDM machine, surface grinder, waterjet cutter, plasma cutter and wire drawing machine list the faults that slow a cycle down. Industry context: the aerospace and defense OEE and downtime page.
What the gap to the ideal cycle costs
Take the cell above: 28 seconds per unit, while its ideal cycle (the fastest it can run, from the machine spec or the best sustained run) is 24 seconds.
- Performance = 24 ÷ 28 = 85.7%, the OEE performance factor for that run.
- Lost time = 900 units × 4 seconds = 3,600 seconds, a full hour of the 420 minutes the cell ran.
- Lost output: at 24 seconds the same 420 minutes make 1,050 units, 150 more than the 900 it made.
Those 4 seconds are rarely a slow machine. They are short stops, jams cleared by hand and the line running below its rated speed, none of which shows up as a stop on a paper log. The hidden factory calculator puts a money figure on them.
Common mistakes
- Mixing time and units from different periods. Minutes from the whole shift with units from one order gives a number that means nothing. Keep both on the same run.
- Quoting the nameplate cycle as the real one. The rated cycle is the ideal; the measured cycle is what you plan with.
- Using total scheduled time without saying so. That gives an effective cycle with every stop baked in. Useful, but label it, or it gets compared with a pure process cycle.
- One average cycle for a mixed line. Products with different cycles need their own numbers, or the average hides the slow one.
How do you calculate cycle time?
Divide net production time by the units produced in the same run. 420 minutes (25,200 seconds) and 900 units give a cycle time of 28 seconds per unit.
What is ideal cycle time?
The fastest a process can make one unit under perfect conditions, from the machine specification or the best rate it has sustained. OEE performance is ideal cycle time divided by actual cycle time.
Should I exclude downtime from cycle time?
For a pure process cycle, use net running time (exclude stops). If you divide total scheduled time by units instead, you get an effective cycle that already includes losses, useful, but a different number. Be consistent about which you report.
Why is my real cycle slower than the machine's rated cycle?
Micro-stops, minor jams and speed loss stretch it. That gap between ideal and actual cycle is exactly what the Performance factor of OEE measures. Check the hidden-factory calculator to size it in units and euros.
How do I use cycle time for line balancing?
Compare each station's cycle to takt. Any station above takt is the bottleneck that sets the whole line's pace. Balance work across stations so each sits comfortably under takt. Start from the takt time calculator.