What is Cycle Time? Definition & Manufacturing Examples

What is Cycle Time?

Cycle time in manufacturing is the total elapsed time from the beginning of the first operation to the completion of the last operation for a single unit or batch. It encompasses all productive time — setup and run time — as well as non-productive time like queue time, move time, and wait time between operations. Cycle time is one of the most important metrics for measuring manufacturing efficiency and predicting delivery performance.

How Cycle Time Works in Manufacturing

Cycle time can be measured at different levels. At the individual operation level, it is the time to process one part through one machine. At the job level, it is the total time from releasing raw material to completing the finished part across all operations. At the plant level, it is the average time orders spend in the facility.

What surprises many manufacturers is how little of the total cycle time is actual processing. In a typical job shop, parts spend only 5 to 15 percent of their cycle time being machined, cut, or assembled. The remaining 85 to 95 percent is queue time — waiting in front of machines for their turn. This means the biggest opportunity to reduce cycle time is not faster machines but better scheduling that reduces wait times.

Cycle time also differs from takt time. Takt time is the rate at which you need to produce to meet customer demand. Cycle time is how long it actually takes. When cycle time exceeds takt time, you cannot keep up with demand. When cycle time is shorter than takt time, you have excess capacity.

Cycle Time Example

A job shop manufactures precision gearbox housings with four operations:

Total processing time: 10 hours. Total queue and move time: 20 hours. Total cycle time: 30 hours.

Processing accounts for only 33 percent of cycle time. By reducing average queue time from 6 hours to 3 hours across operations, the shop cuts cycle time from 30 hours to 21 hours — a 30 percent reduction — without changing any machine speeds.

Why Cycle Time Matters for Production Scheduling

Cycle time reduction is one of the fastest ways to improve manufacturing performance. Shorter cycle times mean shorter lead times quoted to customers, lower WIP inventory on the shop floor, faster cash conversion, and more flexibility to handle rush orders.

Scheduling software like Resource Manager DB (RMDB) reduces cycle time by optimizing job sequences to minimize queue time. When jobs are scheduled intelligently against finite capacity, they spend less time waiting and more time being processed. The Gantt chart visualization makes it easy to spot jobs with excessive wait times and adjust the schedule accordingly.

Related Terms

• Takt Time — The production rate needed to match customer demand, compared against cycle time
• Lead Time — The total time from order receipt to delivery, of which cycle time is the manufacturing portion
• Run Time — The actual processing time component within cycle time

Frequently Asked Questions

Learn more in our complete manufacturing glossary or production scheduling guide.