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Convert between GSM and ounces per square yard for fabric weight measurements
Conversion Formula:
oz/yd² = GSM × 0.02949
GSM = oz/yd² / 0.02949
| GSM (g/m²) | oz/yd² | Fabric Type |
|---|---|---|
| 80 | 2.36 | Light cotton |
| 120 | 3.54 | T-shirt |
| 150 | 4.42 | Medium shirt |
| 180 | 5.31 | Heavy shirt |
| 200 | 5.90 | Light sweatshirt |
| 250 | 7.37 | Hoodie |
| 300 | 8.85 | Heavy sweatshirt |
| 400 | 11.80 | Heavy jacket |
| 500 | 14.74 | Canvas |
| 600 | 17.69 | Heavy canvas |
GSM stands for grams per square meter and is a metric measurement of fabric weight. It indicates how much one square meter of fabric weighs in grams. Higher GSM means heavier, thicker fabric.
Ounces per square yard (oz/yd²) is an imperial measurement of fabric weight. It indicates how much one square yard of fabric weighs in ounces. This unit is commonly used in the United States textile industry.
To convert GSM to oz/sq yard, multiply the GSM value by 0.02949. For example, 150 GSM equals approximately 4.42 oz/yd² (150 × 0.02949 = 4.424).
T-shirts typically range from 120-180 GSM. Lightweight t-shirts are 120-150 GSM, standard t-shirts are 150-165 GSM, and premium/heavy t-shirts are 180+ GSM.
Fabric weight determines the thickness, durability, drape, and appropriate use of the material. Lighter fabrics are better for summer clothing and linings, while heavier fabrics are suitable for outerwear, upholstery, and winter garments.
GSM is the international standard and is used globally, especially in Europe and Asia. oz/yd² is primarily used in the United States. Many manufacturers list both measurements for international customers.