Convert Grams per Square Metre to g/cm²
1 gram per square metre (g/m²) = 0.0001 grams per square centimetre (g/cm²). 1 g/cm² = 10000 g/m². Example: 150 g/m² = 150 × 0.0001 = 0.015 g/cm².
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1 g/m² = 0.0001 g/cm²
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk gram per square metre to gram per square centimetre converter to paste a column from Excel.
How to Convert Gram per Square Metre to Gram per Square Centimetre
- 1 g/m² = 0.0001 g/cm²
- 1 g/cm² = 10000 g/m²
- Example: convert 150 g/m² to g/cm²: 150 g/m² = 150 × 0.0001 g/cm² = 0.015 g/cm²
Formula
g/cm² = g/m² ÷ 10000
Derivation from SI units:
- Mass in grams of one square metre of fabric (GSM); 1 g/m² = 0.001 kg/m².
- 1 g/cm² = 10 000 g/m² (1 m² = 10 000 cm²)
Both units are defined exactly, so the factor is exact. Gram per Square Metre definition: gram per square metre; Gram per Square Centimetre definition: gram per square centimetre.
Worked examples
- A 150 g/m² fabric is 0.015 g/cm².
150 g/m² × 0.0001 = 0.015 g/cm² - A 80 g/m² paper is 0.008 g/cm².
80 g/m² × 0.0001 = 0.008 g/cm²
Gram per Square Metre to Gram per Square Centimetre conversion table
| Grams per Square Metre (g/m²) | Grams per Square Centimetre (g/cm²) |
|---|---|
| 20 g/m² | 0.002 g/cm² |
| 50 g/m² | 0.005 g/cm² |
| 80 g/m² | 0.008 g/cm² |
| 120 g/m² | 0.012 g/cm² |
| 150 g/m² | 0.015 g/cm² |
| 180 g/m² | 0.018 g/cm² |
| 200 g/m² | 0.02 g/cm² |
| 250 g/m² | 0.025 g/cm² |
| 300 g/m² | 0.03 g/cm² |
| 400 g/m² | 0.04 g/cm² |
| 500 g/m² | 0.05 g/cm² |
Where it's used
Fabric and paper weights in GSM are converted to grams per square centimetre for small-sample laboratory work and materials research. Divide by 10 000.
Gram per Square Metre to other fabric weight units
| Conversion | 1 g/m² equals |
|---|---|
| gram per square metre to gram per square centimetre | 0.0001 g/cm² |
| gram per square metre to ounce per square yard | 0.02949352468 oz/yd² |
| gram per square metre to ounce per square foot | 0.003277058298 oz/ft² |
| gram per square metre to pound per square yard | 0.001843345293 lb/yd² |
Frequently asked questions
How many g/cm² is 150 GSM?
150 g/m² = 0.015 g/cm².
How many grams per square centimetre are in 1 gram per square metre?
1 g/m² = 0.0001 g/cm².
How do I convert grams per square metre to grams per square centimetre?
Multiply the value in g/m² by 0.0001, or divide it by 10000. For example, 150 g/m² × 0.0001 = 0.015 g/cm².
Is the g/m² to g/cm² conversion exact?
Yes. Both units are defined exactly, and 1 g/m² is exactly 0.0001 g/cm².
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures .
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Grams per Square Metre to g/cm². Retrieved October 25, 2026, from https://scientificconverters.com/fabric-weight/grams-per-square-meter-to-grams-per-square-centimeter/
IEEE
Scientific Converters, "Convert Grams per Square Metre to g/cm²," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/fabric-weight/grams-per-square-meter-to-grams-per-square-centimeter/