How to Calculate Pounds per Linear Inch

By Peter Flom

Pounds per lineal inch, often abbreviated PLI, is a measure of the amount of weight in a length of some material. PLI can be used in the construction industry to calculate the amount of weight that is on top of a beam.

Measure the item in question in inches.

Weigh the item and record the weight in pounds.

Divide the number of pounds by the number of inches.

About the Author

Peter Flom is a statistician and a learning-disabled adult. He has been writing for many years and has been published in many academic journals in fields such as psychology, drug addiction, epidemiology and others. He holds a Ph.D. in psychometrics from Fordham University.