Enter the GSM value to convert it to LBS. This calculator helps you to convert the paper weight from grams per square meter (GSM) to pounds per 1000 square feet (LBS).

GSM to LBS Conversion Formula

The following formula is used to convert GSM to LBS.

LBS = GSM * 0.00220462 * 1000 / 1.48


  • LBS is the paper weight in pounds per 1000 square feet
  • GSM is the paper weight in grams per square meter

To convert GSM to LBS, multiply the GSM value by the conversion factor of 0.00220462, then multiply by 1000 and divide by the constant 1.48.

What is GSM and LBS in Paper Weight?

GSM stands for grams per square meter and is an international standard for measuring paper weight. LBS, on the other hand, stands for pounds per 1000 square feet and is commonly used in the United States. The conversion between GSM and LBS is important for the paper industry, printing companies, and consumers to compare paper types and weights across different measurement systems.

How to Calculate GSM to LBS?

The following steps outline how to convert GSM to LBS.

  1. First, determine the GSM value of the paper.
  2. Next, use the conversion formula: LBS = GSM * 0.00220462 * 1000 / 1.48.
  3. Finally, calculate the LBS value.
  4. After inserting the GSM value and calculating the result, check your answer with the calculator above.

Example Problem :

Use the following variable as an example problem to test your knowledge.

GSM value of the paper = 150 grams per square meter