1英寸=25.4毫米屏幕的尺寸量的是对角线的长度宽屏面积小,节省成本。19寸对角线长度为482.6mm,16:9(宽为420.6224mm,高为236.6001mm),16:10(宽为409.244mm,高为255.7775mm)22寸对角线长度为558.8mm,16:9(宽为487.0364mm,高为273.958mm),16:10(宽为473.8615mm,高为296.1634mm)