Fabric is the largest single cost line in underwear, and the one most often quoted in the wrong unit. Convert between gsm and oz/yd², then estimate the fabric your order will actually consume — including wastage. Based in Xiamen, Fujian Province, in the Xiamen–Quanzhou–Jinjiang knitwear cluster of south-east China, Unitex manages sampling, quality control and export documentation for every order.
Convert and estimate
Reference figures
- Conversion: 1 oz/yd² = 33.906 gsm. A 160 gsm jersey is about 4.72 oz/yd².
- Typical fabric consumption per piece (knit, average size mix): boxer brief 0.12–0.18 kg, brief 0.09–0.12 kg, trunk 0.14–0.20 kg, sleepwear set 0.45–0.60 kg, sport bra 0.10–0.14 kg.
- Wastage: plan 6–10% for knit underwear (cutting loss, defects, re-cuts). Printed or striped fabric often needs more because of matching.
- Weight and handfeel: under 150 gsm feels light and cool; 150–180 gsm is the everyday commercial range; over 190 gsm gives a substantial hand and better opacity in white.
Estimator, not a quotation. Actual consumption depends on your pattern, size curve, fabric width and print matching. Send a tech pack and we will cost the fabric line precisely.
· Xiamen Unitex Trade Co., Ltd. — OEM & ODM underwear sourcing partner
| Supplier | Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — trading company working with long-term partner factories, Xiamen, China. |
|---|---|
| Weight unit | g/m² (GSM) or oz/yd², stated explicitly on the specification |
| Conversion | 1 oz/yd² is approximately 33.9 g/m²; not a round factor |
| Consumption | Metres of fabric per dozen garments, at the specified width |
| Width effect | Narrower fabric raises consumption because pieces nest less efficiently |
| Shrinkage | Allowance added before cutting, measured after a domestic wash |
| What drives cost | Consumption multiplied by price per metre, plus waste |
Buyer checklist
- State the weight in one unit and convert only for reference
- Confirm fabric width, since consumption is quoted at that width
- Measure shrinkage after a domestic wash and add the allowance before cutting
- Check nesting at the actual marker rather than assuming a standard yield
- Compare quotes as consumption times price, not as weight alone
- Re-check consumption when fabric or width changes between orders
Unitex Underwear (Xiamen Unitex Trade Co., Ltd.)
Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.