1. What is GSM?

GSM stands for Grams per Square Meter and is a measurement of the weight or density of paper, fabric, and other materials. It indicates how many grams one square meter of the material weighs.

2. How Does the Calculator Work?

The calculator uses the GSM formula:

Where:

• \( Weight \) — Weight of the material in grams (g)
• \( Area \) — Area of the material in square meters (m²)
• \( 1000 \) — Conversion factor to get grams per square meter

Explanation: This formula calculates the density of a material by dividing its weight by its area and scaling it to represent one square meter.

3. Importance of GSM Calculation

Details: GSM is crucial in industries like textiles, paper manufacturing, and packaging to determine material quality, thickness, and suitability for specific applications. Higher GSM values indicate heavier, denser materials.

4. Using the Calculator

Tips: Enter the weight in grams and area in square meters. Both values must be positive numbers. The calculator will automatically compute the GSM value in grams per square meter.

5. Frequently Asked Questions (FAQ)

Q1: What is a typical GSM range for paper?
A: Standard printer paper is around 80 GSM, while cardstock ranges from 120-300 GSM. Photo paper typically ranges from 180-300 GSM.

Q2: How does GSM relate to fabric quality?
A: Higher GSM fabrics are generally heavier, more durable, and warmer. For example, t-shirts range from 150-200 GSM, while winter fabrics can be 300+ GSM.

Q3: Can I calculate GSM with different units?
A: Yes, but you must convert all measurements to grams and square meters first for accurate results.

Q4: Why multiply by 1000 in the formula?
A: The multiplication by 1000 converts the result to grams per square meter when using standard measurement units.

Q5: Is GSM the same as thickness?
A: While related, GSM measures weight density, not thickness. Two materials with the same GSM can have different thicknesses depending on their composition.