Cycle Time Calculator
Calculate production cycle time, takt time, and throughput rate.
Calculator
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Cycle time: 1.29 min/unit
Takt time: 1.13 min/unit
⚠ Below takt — cannot meet demand
Formula
Cycle time = Available production time / Number of units produced. Takt time = Available production time / Customer demand (units). Throughput rate = 1 / Cycle time (units per time unit).
Example calculation
Shift of 450 min (excluding breaks), 350 units produced: Cycle time = 450/350 = 1.29 min/unit. Customer demand 400 units/shift: Takt time = 450/400 = 1.125 min/unit. Line is running slower than takt — output gap of 50 units/shift.
Engineering notes
Takt time is the heartbeat of customer demand. If cycle time > takt time, you cannot meet demand. If cycle time < takt time, you have excess capacity. Lean manufacturing targets cycle time = takt time to avoid over- or under-production.
When to use this calculator
- Production line balancing — identify bottleneck workstations where cycle time exceeds takt time
- Capacity planning — determine how many shifts or lines are needed to meet forecast demand
- Lean improvement — target cycle time reduction on the bottleneck to increase overall throughput
- New product introduction — set standard times and production schedules before first production run
- Operator staffing — calculate number of operators needed based on cycle time and available shift time
Frequently asked questions
- What is the difference between cycle time and takt time?
- Cycle time is the actual time it takes to complete one unit of production — measured from the production process. Takt time is the available production time divided by customer demand — it is the required rate to meet demand, set by the customer not the process. Takt time is the target; cycle time is the actual. When cycle time equals takt time, you are producing at exactly the rate customers need.
- How do I reduce cycle time on a production line?
- Reduce cycle time through: (1) Eliminating waste (Muda) — motion, waiting, transport, overprocessing. (2) Parallel processing — move sequential tasks that can be done simultaneously. (3) Setup time reduction (SMED) — reduce changeover time to increase productive time. (4) Standard work — document and follow the optimal method consistently. (5) Technology — automation, fixtures, and jigs that eliminate manual steps.
- How does cycle time relate to Work-in-Process (WIP)?
- Little's Law: WIP = Throughput × Cycle time. If cycle time increases, WIP accumulates. For example, if cycle time is 2 minutes and production rate is 30 units/hour, average WIP = 0.5 × 30/60 = ... the relationship shows that reducing cycle time directly reduces WIP, freeing working capital and floor space. This is why lean manufacturing prioritises cycle time reduction.