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# Lb to GSM Calculator Online

The calculator specifically addresses the need to convert the basis weight of paper stock from the imperial system (pounds per ream) to the metric system (grams per square meter). This conversion is not just a mere calculation but a necessary step for professionals in industries dealing with diverse international standards.

## Formula of Lb to GSM Calculator

To convert pounds per ream (lb) to grams per square meter (gsm), the formula used is:

gsm = (lb * 1406.5) / 3000

For a simpler approximation, the conversion can be expressed as:

gsm = lb * 0.46883

This direct formula allows users to quickly convert from lb to gsm without complex calculations, ensuring accuracy and saving time.

## Conversion Table

This table serves as a quick reference for common paper weights, allowing users to bypass calculations for standard values.

## Example of Lb to GSM Calculator

To illustrate, let’s convert 70 lb paper to gsm using our calculator:

gsm = 70 * 0.46883 ≈ 32.82 gsm