What is a Rolling Offset?

A rolling offset is a technique used in plumbing and pipefitting to change the direction of a pipe in both horizontal and vertical planes simultaneously. It’s commonly used when pipes need to navigate around obstacles or align with existing structures. A rolling offset involves two changes in direction, typically using elbow fittings, to create a diagonal path for the pipe.

How to Use the Rolling Offset Calculator

Step-by-Step Guide to Using the Rolling Offset Calculator

Step 1: Enter the Horizontal Offset

Input the horizontal distance your pipe needs to move. Select the appropriate unit of measurement (inches, feet, or meters) from the dropdown menu next to the input field.

Step 2: Enter the Vertical Offset

Input the vertical distance your pipe needs to move. Again, choose the correct unit of measurement from the dropdown menu.

Step 3: Select the Fitting Angle

Choose the angle of the elbow fittings you plan to use from the dropdown menu. Common options include 22.5°, 45°, 60°, and 90°. If you’re using a custom angle, select “Custom” and enter the specific angle in the additional field that appears.

Step 4: Calculate the Results

Click the “Calculate” button to process your inputs. The calculator will instantly provide you with the results.

Step 5: Interpret the Results

The calculator will display three key measurements:

• True Offset: The straight-line distance between the start and end points of your offset.
• Travel: The length of pipe needed to complete the offset.
• Run: The horizontal distance between the two elbow fittings.

Step 6: Review the Explanation

Below the results, you’ll find a brief explanation of how these values were calculated, helping you understand the underlying principles of rolling offsets.

By following these steps, you can quickly and accurately determine the measurements needed for your rolling offset pipe installation, saving time and reducing material waste in your plumbing or pipefitting projects.