conversion table for metric system

{"cid":"91198569","title":"Digital Readout System for optical comparators, video measuring syste, XY measuring table","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d5\/0e\/057d50e65540c55f791f3fddfc4b-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"L&D","Model Number":"DC-3000","Minimum Order Quantity":"1 Piece","Delivery Time":"5 working days","Supply Ability":"50, 000PCS\/Year","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Place of Origin":"CHINA","Certification":"CE","Packaging Details":"Standard exporting package","Language":"English, Chinese","Voltage":"AC 90V-240V","Input Signal":"Ttl Signal","Application":"for Measuring Machine Data","HS Code":"9031809090","Port":"Shenzhen, China"}}