Schedule Variance (SV) Calculator

Schedule Variance (SV) is an earned value management metric that shows whether your project is ahead of schedule or behind schedule. It compares the earned value of completed work with the planned value of scheduled work. If SV is zero, your project is on schedule. If it is positive, you are ahead. If it is negative, you are behind schedule.

A schedule variance calculator makes this process fast and easy. You enter the required values, and the tool gives you the result instantly. This saves time and helps reduce calculation mistakes.

Schedule Variance (SV) Calculator

Use this SV calculator to find out whether your project is ahead of schedule, on schedule, or behind schedule.

How to Calculate Schedule Variance

You can follow the steps below to calculate schedule variance.

Step 1: Find Earned Value (EV)

Earned Value is the value of the work you have completed so far. It shows how much value the project has earned based on actual progress.

Step 2: Find Planned Value (PV)

Planned Value is the value of the work you planned to complete by a certain date. It comes from your approved schedule baseline.

Step 3: Apply the SV Formula

Use this formula:

SV = EV - PV

Subtract planned value from earned value.

Step 4: Calculate the Result

Use a calculator or the SV calculator tool to find the result.

Example:

EV = 45,000

PV = 50,000

SV = 45,000 - 50,000 = -5,000

Step 5: Interpret the Result

• SV = 0 means the project is on schedule
• SV > 0 means the project is ahead of schedule
• SV < 0 means the project is behind schedule

Step 6: Take Action

If SV is negative, identify the cause of the delay and correct it promptly.

If SV is positive, review your progress and see whether you can maintain the pace without overloading resources.

Schedule Variance Formula

The Schedule Variance formula is:

Where:

• SV = Schedule Variance
• EV = Earned Value
• PV = Planned Value

Schedule Variance Example

Imagine you are managing a construction project.

• Planned Value (PV) = 120,000
• Earned Value (EV) = 100,000

Now, calculate the schedule variance:

SV = EV - PV

SV = 100,000 - 120,000

SV = -20,000

What does this mean?

An SV of -20,000 means the project is behind schedule.

You planned to complete 120,000 worth of work by this point, but you completed only 100,000. That means your schedule performance is falling short of the plan.

Importance of Schedule Variance

Schedule Variance helps project managers understand whether work is progressing as planned. It provides a clear view of schedule performance in a single number. A positive value shows progress is ahead of plan. A negative value warns that the project is slipping.

This metric helps you spot delays early. It also supports better decisions about staffing, priorities, and deadlines. Without schedule variance, you may miss signs of trouble until the delay becomes serious. When you track SV regularly, you stay in control and improve your chances of finishing the project on time.

FAQ

Q1. What is Schedule Variance (SV)?

Schedule Variance is an earned value management metric that measures the difference between earned value and planned value. It tells you whether your project is ahead of, on, or behind schedule.

Q2. How do you calculate Schedule Variance?

You calculate Schedule Variance with this formula:

SV = EV - PV

Q3. What does a negative Schedule Variance mean?

A negative SV means your project is behind schedule. The value of the completed work is less than the value of the planned work.

Q4. What does a positive Schedule Variance mean?

A positive SV means your project is ahead of schedule. You have completed more work than planned at that point.

Q5. Why should I use an SV calculator?

An SV calculator saves time and reduces manual errors. You only need to enter EV and PV, and the result appears instantly.

Summary

Schedule Variance is a simple but powerful metric for tracking schedule performance. It shows whether your project is ahead, on time, or behind. With one quick formula, you can measure progress and take action early. An SV calculator makes the process even easier by giving you instant results. When you use schedule variance with regular project monitoring, you can detect delays faster and keep your project moving in the right direction.