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Convert to Grams per Square Meter (GSM)

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  • Convert to Grams per Square Meter (GSM)

    Hello, I'm having quite a bit of trouble converting oz/linear yard to GSM. I need this to help me understand the weight/thickness of a few fabrics and I can understand GSM much better.

    The measurements/numbers I have of one fabric:

    Width = 58"
    Weight = 10.5 oz/linear yard

    All of the fabrics give the same information, and so I am looking for a formula to convert the other ones.

    Thank you for any help with this!

  • #2
    We will convert the 10.5 oz to grams and the linear yard by 58 inches to square meters. Then we only need to divide to grams per square meter (g/m), often called GSM
    10.5 oz x 28.34952 g/oz = 297.67 g
    (1 yd x 0.9144 m/yd) x (58 in x 0.0254 m/in) = 1.3471 m

    297.67 g/1.3471 m = 220.98 g/m (I would round to 221 g/m, 3 digits of precision, just like original weight.)

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    • #3
      Thank you so much! I've already converted a few more on my own. You are a life saver!

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