Fabric Weight per Square Yard: A Key Factor for Smarter Curtain Choices
When you’re choosing curtains, what’s the first thing you think about?
For most people, it’s color, design, or style. But for those who want function along with fashion, there’s one hidden factor that makes all the difference:
👉 Fabric weight per square yard (oz/yd²).
Whether you're shopping for blackout curtains for your bedroom, light sheers for a sunlit living room, or thermals for insulation, understanding fabric weight can guide your choice in the right direction.
What Is Fabric Weight per Square Yard?
Fabric weight per square yard refers to how much a square yard of curtain fabric weighs in ounces (oz/yd²). This number gives you important insight into:
Light filtration
Insulation capability
Fabric thickness and drape
Durability and ease of use
Required hardware strength
In simple terms: the heavier the fabric, the better it is for privacy, sound control, and insulation. Lighter fabrics are great for aesthetics and airiness but don’t offer much coverage.
Fabric Weight Categories for Curtains
Here’s a quick breakdown of typical curtain fabric weights:
Lightweight (under 5 oz/yd²) – Voile, sheer polyester, and lace. Best for decorative purposes and layering.
Medium-weight (5–10 oz/yd²) – Cotton, linen, and blends. Ideal for living spaces where privacy and airflow are both desired.
Heavyweight (10+ oz/yd²) – Velvet, blackout curtains, and brocade. Best for bedrooms, media rooms, or drafty spaces.
GSM vs oz/yd² – What's the Difference?
In global markets, fabric weight is also measured in GSM (grams per square meter). Here’s a quick conversion:
1 oz/yd² ≈ 33.9 GSM
So, if your curtain fabric is 200 GSM, that equals about 5.9 oz/yd² — putting it in the medium-weight category.
Want to Calculate Curtain Weight Easily?
Curtain planning can be tricky—especially when dealing with custom sizes, pleats, or linings. That’s why I’ve built a Curtain Weight Calculator to help you.
Just enter your fabric type, size, and style, and the tool instantly estimates weight in kilograms, grams, or pounds.
👉 Try the Curtain Weight Calculator & Full Guide Here Fabric weight per square yard
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