KPIs for Production – Efficiency and Quality in Manual Operations
In a production environment with manual operations, performance depends directly on people, the way work is organized and the stability of processes.
Manual operations require clearly defined indicators, easy to understand and directly influenced by the teams in the field.
KPIs (Key Performance Indicators) thus become an essential tool for control, alignment and continuous improvement.
The purpose of KPIs‑in production is not to monitor people, but to monitor the process.
Well-chosen indicators help identify losses, understand variation, and make decisions based on data, not perceptions.
Making the right use of KPIs‑in practice
To be effective, KPIs must:
- be few and relevant;
- be visible in the workplace;
- to be understood by the teams;
- lead to concrete actions.
A KPI that doesn't generate discussion about the process and doesn't lead to improvements is just a number displayed.
Efficiency KPIs
Efficiency KPIs measure how well work time is used and how much value is created through manual operations, without compromising on quality.
Operational efficiency
Efficiency expresses the ratio between the output achieved (time gained) and the actual time worked or resources used. In manual operations, decreases in efficiency indicate losses such as waiting, interruptions, lack of material, unnecessary trips or rework. Efficiency should be used to evaluate process performance, not to compare people.
VA / NVA (Value Added / NonValue Added)
The ratio of value-added time to non-value-added time is a key indicator of efficiency in manual operations. It highlights how much of the total time contributes directly to the transformation of the product and how much is consumed by non-productive activities, such as waiting, searching, unnecessary manipulation or corrections. Increasing sustainable efficiency is achieved primarily by reducing NVA's activities.
Quality KPIs
Quality KPIs measure the process's ability to produce compliant parts without defects, rework, or losses. They show how stable and capable the process is in terms of quality.
First Pass Yield (FPY)
FPY represents the percentage of parts that go through the process and are compliant from the first time, with no corrections. In manual operations, FPY is an essential indicator of quality, as it reflects the clarity of the working standard, the level of training and the stability of the process conditions. A low FPY indicates process issues, not necessarily poor individual performance.
Rolled Throughput Yield (RTY)
RTY expresses the probability that a part will go through all stages of the process without defects. This KPI is particularly relevant in manual operations with multiple stations, as it highlights the cumulative effect of small quality losses. Even if each step seems acceptable individually, a low RTY shows that the process, as a whole, is not capable.
Scrap rate
The scrap rate measures the proportion of non-compliant parts that cannot be recovered. This indicator highlights the real losses of material, time and cost and is a clear signal of the impact of poor quality on production. An increasing scrap rate usually points to systemic causes: variation, lack of standardization, or process issues.
Correlation of quality and efficiency‑ KPIs
In manual operations, quality and efficiency should not be treated separately. An efficient process is necessarily a stable and quality-capable process. The consistent use of the‑FPY, RTY, VA/NVA and scrap rate KPIs allows:
- identification of actual losses,
- prioritizing problems,
- data-driven decision-making,
- supporting continuous improvement.
Conclusion
In manufacturing with manual operations, efficiency and quality KPIs are critical tools for process control and performance improvement. Chosen and used correctly, they help the organization to understand the reality on the ground, to prioritize problems and to build a culture oriented towards stability and sustainable quality.
