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Understanding cycle time and lead time is essential for effective project management in Agile environments. These metrics help teams forecast delivery dates and improve workflow efficiency. This article explains how to calculate both metrics and their significance.
What is Cycle Time?
Cycle time measures the duration it takes for a task to move from the start to completion within a workflow. It focuses on the active work period, excluding waiting times.
How to Calculate Cycle Time
To calculate cycle time, record the date when work begins on a task and the date when it is finished. Subtract the start date from the end date to find the cycle time.
For example, if a task starts on March 1 and finishes on March 5, the cycle time is 4 days.
What is Lead Time?
Lead time measures the total time from when a request is made until the task is completed. It includes waiting periods, review, and approval times.
How to Calculate Lead Time
Calculate lead time by subtracting the request date from the completion date. This provides an overall view of the process duration from request to delivery.
For example, if a feature request is made on March 1 and completed on March 10, the lead time is 9 days.
Key Differences and Usage
- Cycle Time: Focuses on active work duration.
- Lead Time: Encompasses the entire process from request to delivery.
- Both metrics help in forecasting project completion dates.
- Monitoring these times can identify bottlenecks.