Production Capacity Calculator
Enter your shift, cycle time and efficiency to get your theoretical and effective production capacity — per shift, day and week.
Your capacity
How to calculate production capacity
Production capacity is the maximum number of units a process can produce in a given time. The core formula is simple:
Theoretical capacity = Net available time ÷ Cycle time per unitNet available time is your shift length minus planned breaks, lunches and scheduled downtime. Cycle time is how long the process takes to produce one unit. Multiply the per-shift figure by shifts per day and operating days to roll it up to daily and weekly capacity.
Theoretical vs. effective capacity
Theoretical capacity assumes everything runs perfectly — no breakdowns, no changeovers, no quality losses. Nobody hits that. Effective capacity multiplies theoretical capacity by your real efficiency (and utilization):
Effective capacity = Theoretical capacity × Efficiency %If you track OEE, that's exactly the efficiency factor to use here.
The catch: one machine isn't your line
This calculator gives you the capacity of a single process at a given cycle time. Your real plant output is capped by the slowest step — the bottleneck — not by your fastest machine. Add downtime, product mix and buffers across several stages, and the math gets hard to do in a spreadsheet. That's the gap ManuMap fills: map your whole line and it computes your true ceiling and pinpoints the constraint for you.
FAQ
How do you calculate production capacity?
Divide net available time (shift length minus breaks and downtime) by the cycle time per unit, then multiply by shifts per day and operating days for daily and weekly figures.
What is the difference between theoretical and effective capacity?
Theoretical capacity assumes 100% uptime and no losses. Effective capacity multiplies it by your real efficiency and utilization, reflecting actual achievable output.
Why is my real output lower than this number?
A single machine's capacity isn't your line's capacity. Your true output is limited by the bottleneck step plus downtime, changeovers and quality losses across the whole line.