EPEI CalculatorEPEI Calculator
Every Part Every Interval scheduling
1/3
What EPEI Means
Every Part Every Interval estimates how often a mixed-model process can cycle through every part in the family without exceeding available capacity.
Part
Demand / day
Cycle sec
Setup min
Add parts or load the example to calculate EPEI.
EPEI interval
-
Daily run time
-
Setup capacity per day
-
Run utilization
-
What is EPEI?
EPEI means Every Part Every Interval. It estimates how frequently a mixed-model process can produce every item in a part family while respecting available capacity, daily demand, run time, and setup time.
A shorter EPEI supports smaller lots, lower inventory, and faster replenishment. If the interval is too long, use the SMED Changeover Calculator to test setup reduction and the Kanban Card Calculator to size the replenishment loop.
Related tools
- SMED Changeover Calculator - reduce setup time to shorten the interval
- Kanban Card Calculator - size the replenishment loop that EPEI supports
- Process Capacity Sheet - verify process capacity before scheduling