Bag Weight & Fabric GSM Converter

Convert between US ounces per square yard (oz/yd²) and metric grams per square meter (GSM)

oz/yd²

g/m² (GSM)

2 oz24 oz

LightStandardHeavyUltraIndustrial

Fabric Weight Reference

Lightweight1–5 oz / 34–170 GSM

Event giveaways, conference swag bags, trade show handouts

Standard Promo5–8 oz / 170–271 GSM

Standard promotional totes, grocery bags, everyday swag

Heavy / Retail8–12 oz / 271–407 GSM

Retail-quality totes, branded corporate swag, reusable bags

Ultra Heavy12–16 oz / 407–542 GSM

Premium retail totes, heavy-duty reusable grocery bags

Industrial16–30 oz / 542–1017 GSM

Utility bags, painter's canvas, tool bags, drop cloths

Common Weights Quick Reference

Oz/yd²	GSM	Weight	Best For
4 oz	136	Lightweight	Event giveaways, trade show bags
5 oz	170	Lightweight	Budget promo totes, church events
6 oz	203	Standard Promo	Most common promo tote weight
8 oz	271	Heavy	Retail swag, premium giveaways
10 oz	339	Extra Heavy	Premium branded totes
12 oz	407	Ultra Heavy	Top-tier retail, high-end swag
16 oz	542	Industrial	Canvas utility bags, tool totes
20 oz	678	Industrial	Painter's canvas, drop cloths

Standard cotton canvas — Conversion multiplier 1 oz/yd² ≈ 33.906 g/m². Actual fabric weight may vary by weave density, manufacturer, and material blend (polyester, non-woven, etc.). Use as a reference for sourcing; always confirm specs with your supplier.

Sourcing heavy canvas totes? Our 8oz and 12oz cotton canvas tote bags are perfect for screen print and DTF heat press. Factory-direct pricing available.

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Conversion: 1 oz/yd² ≈ 33.906 g/m² (standard cotton canvas)

Pricing estimates based on 2025-2026 US market averages. Actual fabric weight may vary by manufacturer.