# What is S Curve in Project Management

Blog Author

StarAgile

Published

Sep 17, 2024

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3,385

5 mins

Business decisions are based on many computations and shifting variables and have always relied on these factors. However, we have recently developed several tools and parameters to gauge our advancement.

As they enable us to learn more about your work and dig deep to identify our weaknesses, these tools and parameters are invaluable for any company. The S-curve graph, which reveals the most critical information about an organization, is one such useful component.

S-curves are a project manager's best buddy throughout the project, not only during the planning stage. Project Management S-curves are fundamental project management tools, yet, not everyone uses them precisely.

S-curves can help anyone look into the future and ensure they stay on track during project planning. So, what is an S-curve? Let us learn about what it is and how it can benefit companies.

## What is an S-curve in Project Management?

A mathematical graph that displays cumulative data over time is known as an S-curve. This data could be anything from man-hours to expenses. Using an S-curve, you can monitor a project's advancement.

Although the precise shape can vary depending on the project, the data creates an S-shaped curve on a graph, which is why it is known as an S-curve. It takes a while for the project to ramp up, and as a result, the data moves more slowly, forming the shape of an S.

The project reaches a plateau as it nears completion, flattens, and forms the top of the "S" shape. Project Management S-curve is used to monitor a project's progress, where project work needs to proceed and be completed following a defined timetable and budget in a business environment that emphasizes the value of speed.

The S-curve is a commonly used tool for gauging project work progress, assessing performance, and accounting for cash flow projections.

The S-curve is used because it allows users to compare actual data with predicted data while displaying cumulative data from numerous project parts in real-time. Moreover, the S-curve can determine if any project component seems to be under evaluation.

Also Read: Components Of Cost Of Project

## Why an 'S'?

The 'S' shape is neither arbitrary nor forced. Briefly, it is the shape the graph develops throughout the project's initial stages when growth is often modest. Early on, the project is beginning to fall apart, and team members are either just starting to conduct industry research or starting the first stage of project implementation.

This procedure can take longer initially, but once the team gets the hang of it, they iron out the bugs quickly, and as time passes, the procedure becomes smooth. The expansion suddenly starts to accelerate as more advancements are achieved.

This quick increase will be in the middle of the letter "s" on the graph if one wishes to view it. The point of inflexion is the location that shows the most growth. Because growth stalls here, these are the most significant portions of the curve.

Team members are working very hard on project tasks at this stage, and as they speed things up, an increasing number of assignments and costs become apparent. The expansion levels off after reaching the inflexion point, forming the upper portion of the S-curve. The term "upper asymptote" refers to this area. In essence, this is the project's mature stage.

The majority of initiatives are now complete and in the process of winding down, which accounts for this maturity. Typically, only final touches and stage approvals remain unfinished when the procedure reaches this stage.

## Managing Projects with S-Curves

S-curves are useful for visualizing vast volumes of data, typically related to tracking productivity and progress. There are multiple kinds of S-curves, such as:

### 1.  Baseline S-curves

Teams develop a schedule before the commencement of a project to map out the anticipated resource allocation and job flow. It is the baseline schedule, and the project management S-curve that results from it is a baseline s-curve that illustrates expected progress.

One can modify the baseline schedule as the project develops, depending on whether one needs to alter the scope, timetable, or task hierarchy.

### 2.  Target S-curves

It is normal practice to modify the baseline timetable once work on a project has begun. This revised timetable serves as the production schedule for the goal S-curve, which depicts the ideal progress a project would make if everything went according to plan.

The goal S-curve crosses the baseline S-curve if the project successfully stays on schedule and within the budget. However, many projects are completed late and tend to go over the budget; it is more frequent for the goal S-curve to lie above and to the right of the baseline.

### 3.  Costs vs Time S-curves

This S-curve displays all project-related costs, such as paying suppliers and contracting out work, from start to finish. Managers can use this information to calculate the cash flow and total project costs.

### 4.  Value and Percentage S-curves

Teams can specify the resource they wish to track versus time when generating an S-curve, whether it is staff hours, cost, or something else. A value S-curve compares the time and resources already invested in a project with what is still needed to finish it. By comparing the actual resource use to what was anticipated, percentage s-curves help teams determine if a project is on track or off course.

### 5.  Man-hours vs Time S-curves

A man-hours vs time S-curve, displaying the number of employee hours dedicated to each project stage, is vital for labour-intensive activity. Man-hours are the amount of time required by humans to complete a task, measured in hours.

### 6.  Actual S-curves

It is typical to modify the production schedule as a project progresses. Actual data from the work teams have already finished is included in revisions, and this data can be utilized to produce an actual S-curve.

Managers can gauge how feasible the strategy was and how well the team worked by comparing the target S-curve to the actual S-curve. Due to delays or schedule adjustments, the actual S-curve for many projects is lower than the goal S-curve, but the curves meet at the project's conclusion.

## S-Curve in Project Management—Use Cases

S-curves are helpful for a wide range of purposes throughout a project. Let's take a look at some of the use cases.

### 1.  Progress evaluation

With knowledge of the Project Management S-curve, project managers are now at an advantage. Comparing the number of products with the timeline makes it easy to track the project's development. The project's scope is then determined, and changes can be made wherever required.

### 2.  Correlate slowdowns

S-curves in project management are also useful for pointing out areas where product production falls short of expectations. They can compare expected and actual productivity by focusing on several factors, such as the availability of resources or the labourers' working hours.

### 3.  Making the right predictions

The S-curve tool helps the project's tracking system become effective while also assisting in making accurate predictions through this tracking. The project manager can estimate how much additional money or resources he will need to finish this job. To compete with the project's rising cost of goods, he can maximize the worker's effort.

The project manager can establish better goals for the team and the work. They will use an S-curve graph to show how many imaginary hours each team member is predicted to work as well as the project's cost.

### 5.  Track sales

Project Management S-curves are useful to track product sales, letting managers forecast future sales and alter production as required.

Sales take place slowly as a product's marketing campaign progresses; however, if the product is impactful and customers begin to purchase it, the line swings straight up, resulting in an equal rise in production. Managers can interact with manufacturing in a way that will reduce waste and boost efficiency by keeping an eye on sales volume.

## The Bottom Line

These days, project management is a challenging business, and if one wants his company to succeed, many elements need to be kept an eye on. The S-curve is precisely the right set of parameters and resources to investigate these characteristics.

It is a fantastic tool that managers have at their disposal to assist them in keeping track of the costs for all man-hours and other elements.

With so many parameters to track when managing a project, the project management S-curve comes in handy. It is an excellent tool for tracking costs related to labour hours and other factors.

If project management is more your thing, getting a Pmp certification will be worth it. If you are considering taking the PMP exam, StarAgile Consulting offers several Pmp certifications, including Pmp certification online, that will guarantee your success.

Get certified right away and make your project management activities more effective!

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