Cycle Time (C/T)

Introduction: C/T

C/T, or Cycle Time, is a key metric in production and process management. It measures the time required to complete a specific task, operation, or step within a process. By focusing on the actual working time, cycle time provides critical insights into efficiency and process performance.

Background

Cycle time has long been a central measure in Lean Manufacturing and process improvement. Unlike lead time, which includes waiting and delays, cycle time isolates the active time spent completing a task. This distinction helps organisations identify inefficiencies and streamline workflows to meet customer demands more effectively.

Key Elements / Features

• Task-Specific: Captures the duration of one operation or activity from start to finish.
• Excludes Waiting: Focuses only on productive time, not delays or idle periods.
• Quantifiable Metric: Measured in seconds, minutes, or hours, making it easy to track and compare.
• Optimisation Focus: Helps identify inefficiencies, bottlenecks, and improvement opportunities.

Applications / Examples

• Manufacturing: Measuring the time to assemble a component or complete a machine cycle.
• Logistics: Timing the process of order picking or packaging.
• Software Development: Tracking coding or testing cycles within Agile sprints.
• Services: Monitoring transaction handling in finance or call durations in customer support.

Relevance / Impact

Effective management of cycle time supports:

• Increased productivity by accelerating task completion.
• Cost savings through reduced waste and more efficient resource use.
• Process improvement by highlighting opportunities for Lean initiatives.
• Customer satisfaction with faster delivery and service response.

See also

• Lead Time
• Lean Manufacturing
• Continuous Improvement
• Bottleneck