Yuav ua li cas hloov ntaub hnyav ntawm oz rau gsm
Thaum peb piav qhia qhov hnyav ntawm denim thiab lwm yam ntaub, peb feem ntau siv ounces lossis grams.
gsm txhais tau tias grams ib square meter; ounces txhais tau tias hnyav ib square yard. 1 ooj=28.3 grams.
Yuav hloov oz rau gsm li cas?
Piv txwv li, 10oz=28.3g/oz × 10oz=283g (1 square yard), 1 square yard=0.9144m × 0.9144m=0.836㎡, yog li 10oz{14}}g/0.836㎡=338.5g/㎡(gsm).
100gsm=100×0.836÷28.3=2.95 ooj.
