Short answer. Takt time is the theoretical production pace needed to produce one unit in order to exactly match customer demand over a given period, without overstocking or underproducing. It is calculated by dividing available operating time by customer demand over that same period (takt time = available time ÷ customer demand).
A target pace, not a measure of actual speed
The word “takt” comes from German and refers to the beat of a piece of music, the idea is a pace to be respected, not a maximum performance to chase. Takt time is therefore not a measure of the actual speed of a production or picking line: it is a target calculated from demand, which serves as a reference for sizing workstations, teams and equipment.
Takt time is distinct from two other notions it is often confused with. The cycle time is the actual observed time to produce one unit at a given station: if it is higher than takt time, the station is not keeping up with the pace demanded by the customer; if it is much lower, the station is potentially over-resourced. The lead time, meanwhile, measures the total time a unit takes to travel through the entire process, from the first to the last step, a much broader notion than the output pace alone.
In internal logistics, takt time is used, for example, to size the frequency of a line-side milk-run: if a station consumes a component at a steady pace, the supply route must be timed to deliver at an interval consistent with that pace, neither too early (overstock at the station) nor too late (shortage and line stoppage). Takt time is thus as much a sizing tool as a day-to-day management tool.
FAQ
How is takt time calculated?
Takt time is calculated by dividing the available operating time over a period (for example a production day, excluding breaks) by customer demand expressed as a number of units over that same period. The result gives the theoretical time available to produce one unit.
What is the difference between takt time and cycle time?
Takt time is a target pace, calculated from customer demand. Cycle time is the time actually observed to produce one unit at a given station. Comparing the two shows whether a station is under-resourced, over-resourced, or correctly matched to demand.
Related terms
Lean · Just-in-time · Kanban · Lead time · Scheduling · Milk-run.
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