Convert Ounces per Square Foot to Pounds per Square Yard
1 ounce per square foot (oz/ft²) = 0.5625 pounds per square yard (lb/yd²). 1 lb/yd² = 1.777777778 oz/ft². Example: 15 oz/ft² = 15 × 0.5625 = 8.4375 lb/yd².
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1 oz/ft² = 0.5625 lb/yd²
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk ounce per square foot to pound per square yard converter to paste a column from Excel.
How to Convert Ounce per Square Foot to Pound per Square Yard
- 1 oz/ft² = 0.5625 lb/yd²
- 1 lb/yd² = 1.777777778 oz/ft²
- Example: convert 15 oz/ft² to lb/yd²: 15 oz/ft² = 15 × 0.5625 lb/yd² = 8.4375 lb/yd²
Formula
lb/yd² = oz/ft² × 0.5625
or lb/yd² = oz/ft² ÷ 1.777777777778
Derivation from SI units:
- 1 oz/ft² = 28.349523125 g ÷ 0.09290304 m² = 305.1517192 g/m² (exact ratio)
- 1 lb/yd² = 453.59237 g ÷ 0.83612736 m² = 542.4919453 g/m² (exact ratio)
- 1 oz/ft² = 305.1517272739 g/m² ÷ 542.4919595981 g/m² per lb/yd² = 0.5625 lb/yd²
Both units are defined exactly, so the factor is exact. Ounce per Square Foot definition: ounce per square foot; Pound per Square Yard definition: pound per square yard.
Worked examples
- A reading of 0.75 oz/ft² converts to 0.421875 lb/yd².
0.75 oz/ft² × 0.5625 = 0.421875 lb/yd² - A value of 2 oz/ft² is 1.125 lb/yd².
2 oz/ft² × 0.5625 = 1.125 lb/yd²
Ounce per Square Foot to Pound per Square Yard conversion table
| Ounces per Square Foot (oz/ft²) | Pounds per Square Yard (lb/yd²) |
|---|---|
| 0.1 oz/ft² | 0.05625 lb/yd² |
| 0.25 oz/ft² | 0.140625 lb/yd² |
| 0.5 oz/ft² | 0.28125 lb/yd² |
| 0.75 oz/ft² | 0.421875 lb/yd² |
| 1 oz/ft² | 0.5625 lb/yd² |
| 1.5 oz/ft² | 0.84375 lb/yd² |
| 2 oz/ft² | 1.125 lb/yd² |
| 3 oz/ft² | 1.6875 lb/yd² |
| 4 oz/ft² | 2.25 lb/yd² |
| 5 oz/ft² | 2.8125 lb/yd² |
Where it's used
Ounces per Square Foot are used for coated fabrics and laminates, while pounds per square yard appear in carpets and heavy industrial fabrics. Both measure fabric weight (mass per unit area, GSM), so the conversion is a fixed factor.
Ounce per Square Foot to other fabric weight units
| Conversion | 1 oz/ft² equals |
|---|---|
| ounce per square foot to pound per square yard | 0.5625 lb/yd² |
| ounce per square foot to gram per square metre | 305.1517273 g/m² |
| ounce per square foot to ounce per square yard | 9 oz/yd² |
| ounce per square foot to gram per square centimetre | 0.03051517273 g/cm² |
Frequently asked questions
How many pounds per square yard are in 1 ounce per square foot?
1 oz/ft² = 0.5625 lb/yd².
How do I convert ounces per square foot to pounds per square yard?
Multiply the value in oz/ft² by 0.5625, or divide it by 1.777777778. For example, 15 oz/ft² × 0.5625 = 8.4375 lb/yd².
Is the oz/ft² to lb/yd² conversion exact?
Yes. Both units are defined exactly, and 1 oz/ft² is exactly 0.5625 lb/yd².
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "ounce (avoirdupois)".
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "pound (avoirdupois)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Ounces per Square Foot to Pounds per Square Yard. Retrieved October 25, 2026, from https://scientificconverters.com/fabric-weight/ounces-per-square-foot-to-pounds-per-square-yard/
IEEE
Scientific Converters, "Convert Ounces per Square Foot to Pounds per Square Yard," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/fabric-weight/ounces-per-square-foot-to-pounds-per-square-yard/