Free diagnostic tool · Shift losses
480-Minute Diagnostic Lite
Five loss buckets, one answer: how many of today's 480 minutes actually made product, and where the biggest hidden loss sits.
Companion to the article “The 480-Minute Question Every Plant Manager Should Ask”
- Instant result
- No sign-up
- Calculated in your browser
Results are based on your own estimates and give direction, not a benchmark. Your entries are calculated in your browser and aren't submitted to us.
Want a second opinion on your result?
For over a decade, Gemba Concepts has worked with manufacturers on the shop floor. Share what the tool showed you and we'll help you work out what to fix first.
More diagnostic tools
See all 10 toolsSix-Gate Readiness Check
List tomorrow's jobs and tap each gate: pass, fail or unknown. A job is executable only when all six gates pass. Anything else is at risk, however good the schedule looks.
Open the toolWaiting Audit
Watch one line for two hours and log every wait. The audit sorts them into six kinds of waiting and shows which one dominates, and whose move it was.
Open the toolLoss Classification Wizard
Answer up to seven yes/no questions about one stop. The wizard names the kind of loss, who owns it and what usually fixes it. Then re-sort a whole day's “downtime”.
Open the tool