根据国家标准的规定,我刊在刊发稿件中一律使用已有的国家标准,为便于读者阅读,现将常用单位符号及换算方法介绍如下: 1 长度单位:km=公里、千米 m=米 cm=厘米 mm=毫米 换算:1km=1000m 1m=100cm 1cm=10mm 2 重量单位:t=吨或10~3kg kg=公斤、千克 g=克 mg=毫克 换算:1t=100kg 1kg=1000g 1g=1000mg 1000g(1kg)=2斤 500g=1斤 50g=1两 According to the provisions of national standards, I published in the publication of the use of existing national standards, in order to facilitate the reader to read, the common unit symbols and conversion methods are described below: 1 Length Unit: km = km, km m = meters cm = millimeter = millimeters conversion: 1 km = 1000 m 1 m = 100 cm 1 cm = 10 mm 2 weight unit: t = ton or 10 to 3 kg kg = kg g = g mg = milligram equivalent 1 kg = 1000 g 1 g = 1000 mg 1000g (1kg) = 2 pounds 500g = 1 kg 50g = 1 two