GSM to Oz/yd² Fabric Weight Converter
Convert GSM (g/m²) to ounces per square yard (oz/yd²) instantly with our two-way fabric weight converter. Includes comprehensive fabric weight comparison charts.
Seamlessly convert fabric weight between international metric GSM (grams per square meter) and American ounces per square yard (oz/yd²). Features real-time two-way synchronization, linear yard weight calculation across standard bolt widths, and a reference chart for commercial fabric categories.
Key Features & Calculations
- Simultaneous bidirectional updates
- Standard US textile conversion factor (33.9057)
- Linear yard mass calculator for 45", 54", and 60" bolts
- Quick click presets for popular apparel weights
- Denim, shirting, and canvas weight comparison table
Frequently Asked Questions
What is the conversion factor between GSM and oz/yd²?
1 ounce per square yard (oz/yd²) equals 33.9057 grams per square meter (g/m²). To convert GSM to oz/yd², divide the GSM by 33.9057 (or multiply by 0.02949). To convert oz/yd² to GSM, multiply the ounces by 33.9057.
What does "12 oz denim" mean in GSM?
12 oz denim refers to 12 ounces per square yard (oz/yd²). Multiplying 12 by 33.9057 gives approximately 407 GSM. This is the classic mid-to-heavyweight category used for traditional 5-pocket blue jeans and durable denim jackets.
Is oz/yd² the same as linear yard weight?
No. Ounces per square yard (oz/yd²) measures an area of 36 inches by 36 inches (1 square yard). A linear yard, however, measures 36 inches in length multiplied by the full bolt width (e.g. 54 or 60 inches wide). A 60-inch wide fabric has 1.67 square yards per linear yard, meaning a 10 oz/yd² fabric will weigh 16.7 ounces per linear yard.