how to calculate chequered plate weight

{"cid":"91210400","title":"Pan Steel Galvanised Steel Checker Plate Hot Rolled Galvanised Checker Plate Sheet Z181 JIS G3313","imgUrl":"https:\/\/img.chinax.com\/nimg\/86\/7c\/28a2d9bf2f288baebb82467e9e85-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"LIAN ZHONG","Model Number":"Q195\/Q235\/Q345, SGCC\/CGCC\/TDC51DZM\/TDC52D","Minimum Order Quantity":"1 MT","Delivery Time":"3~15 days","Certification":"ISO9001 14001 BV TUV PED DNV etc","Place of Origin":"Jiangsu, China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"5000 Ton\/Tons per Month","Packaging Details":"Exporting package\/wooden box package\/Or per customers' requirements","Product name":"Galvanized Chequered Plate","Thickness":"1-100mm or customized","Application":"Transportation, construction, decoration","Technique":"Hot Rolled , Cold Rolled","Grade":"DX51D+Z\/Q235\/Stainless steel","Standard":"ASTM"}}