LeanScape Logo White


Parts Per MIllion in Lean Six Sigma

What is PPM (Parts per million) in Lean Six Sigma


Parts Per Million

Parts per million (PPM) in Lean Six Sigma is a measure of how many defects exist in a process or product. It is typically used to measure the defect rate of products or services during a particular period of time and can be calculated by dividing the number of defective items by the total number of units produced, multiplied by one million.

Idea Summary: PPM (Parts Per Million)


PPM, or Parts per million, is a common metric used in Lean Six Sigma to measure and analyze the performance of processes. It is used to identify the number of defects present at any given time in a process. PPM can help businesses identify and eliminate sources of waste, while increasing efficiencies and implementing continuous improvement practices that will have a lasting impact on their bottom line. By understanding this metric, businesses can use it to identify areas of excellence and opportunities for improvement, making sure that they are consistently meeting customer expectations and delivering a high-quality product or service.

PPM stands for “parts per million” and is a key metric in Lean Six Sigma. PPM is a measure of the number of defects in a process or product. In order to calculate PPM, you first need to identify the number of opportunities for a Defect and then divide that by the number of units produced. For example, if you have a process with 100 opportunities for Defects and you produce 1,000 units, your PPM would be 10 (100/1,000). The lower your PPM, the more efficient and effective your process is.

Measurement error is the deviation between a measured value and its true value. This can be seen in any type of quantitative research studies, such as surveys or experiments. If there is significant measurement error present in the study results, it can lead to different interpretations that do not accurately reflect reality. In order for researchers to gain an accurate understanding of their subject matter, they must employ measures designed to reduce the degree of error in the data. It is important to note that measurement errors will never be zero; however, by taking the proper steps to minimize their effect during research studies, researchers can obtain more reliable datasets and results with fewer influences from external factors.

Control charts can help understand the parts per million impacting process variation because they provide a visual representation of the data that allows for more accurate analysis. Control charts show changes in the performance of a process over time, enabling us to identify trends and patterns related to the process. Additionally, control charts can be used to determine whether or not a process is stable and consistent, or if it is out of control due to external factors such as parts per million. This information can then be used to adjust or correct the process and its output accordingly.

It is a measure of process performance


Measuring process performance is a key component in understanding how efficiently a process is working, identifying areas of improvement, and ensuring that desired objectives are being met. This can be done through the analysis of quantitative data such as how much time or money it is taking to complete certain tasks. Alternately, qualitative data such as customer feedback and feedback from employees themselves can be used to gain insight into how well a process is functioning. Ultimately, how to measure process performance will depend on the specific processes in question. By utilizing the right metrics and methodologies for each individual case, businesses can strategically improve process performance and yield improved results.

PPM can be used to compare different processes or products


PPM, or process performance management, is an invaluable tool for organizations looking to assess their business performance. Through the study of different processes and products, PPM allows companies to measure the effectiveness of their operations in a comprehensive way. Not only is it possible to compare between objects- such as different products or procedures- but also over time; meaning that businesses can see if changes have had positive or negative impacts on outputs. By using PPM to undertake regular assessments at both a micro and macro level, companies are able to continually evaluate their structure in order to improve the efficiency of their services and maximize success.

PPM can be used to track improvement over time


Performance and process management (PPM) is a valuable tool for any organization that is looking to improve its operations over time. By using PPM, organizations can assess their current performance, set goals for improvement and track progress regularly. This provides important data that can help an organization identify trends, determine relief efforts and allocate resources strategically. The implementation of PPM also encourages collaboration amongst cross-functional teams as they work together to achieve organizational success. Ultimately, by taking the time to establish a monitoring system using PPM, organizations are able to create an environment where long-term growth and improvement become possible.

How to calculate PPM


Calculating parts per million (ppm) is an important skill for chemists, quality control personnel, and other professionals who need to monitor the concentrations of various chemicals. PPM is a unit of measurement which expresses the amount of solute as a proportion of 1 million units of solution. To calculate ppm, you must first determine the mass or volume of solute per unit volume of solution, then multiply that amount by 1 million. For example, if you had 5g of salt dissolved in 500ml of water, you would divide 5g/500ml to get 0.01g/ml and then multiply 0.01g/mL by 1 million to calculate 10,000PPM. Knowing how to calculate PPM is an essential part of understanding the concentration levels in any given solution.

Example of how to use PPM in Six Sigma


Six Sigma is an effective methodology for improving performance in businesses and other organizations. A key part of the Six Sigma process is using PPM (parts per million) to measure how well processes are performing. For example, a business may use PPM to determine how many errors it makes during production of a product or service. This gives them a baseline for understanding the effectiveness of their processes, so that they can then take action accordingly in order to reduce errors. By monitoring PPM on an ongoing basis, companies can better identify areas for improvement and take corrective measures that can improve overall performance quality.

100% Free Fundamentals of Lean COURSE

Process performance is an important metric to track in order to improve quality and efficiency. The Defects Per Million Opportunities (PPM) metric is a way of measuring process performance. PPM can be used to compare different processes or products, as well as track improvement over time. In order to calculate PPM, you need to know the number of defects and the number of opportunities. You can use PPM in Six Sigma projects to help identify and eliminate waste in the manufacturing process. If you are interested in learning more about lean six sigma, we offer several courses that will teach you how to apply these concepts in your business.

Our Newsletter

Picture of Reagan Pannell

Reagan Pannell

Reagan Pannell is a highly accomplished professional with 15 years of experience in building lean management programs for corporate companies. With his expertise in strategy execution, he has established himself as a trusted advisor for numerous organisations seeking to improve their operational efficiency.

Jump To Section

Yellow Belt Course

Green Belt Course

LEAN SIX SIGMA Online Courses

A Lean Six Sigma Green Belt Masterclass

only €999

Ready to start your journey into the world of Lean with this free course?


A Lean focused continious improvement certification course

only £119

Propel your career forward, tackle complex problems and drive change

Only £167

The ultimate fast-track for future leadership

only £849

Become an expert in change management and complex problem-solving.

Only £1649

Lean Accelerator Program

discover the power of problem-solving


download the syllabus