推荐回答(5个)
照片的尺寸是以英寸为单位,1英寸=2.54cm ,通常X寸是指照片长的一边的英寸长度。如:5寸就是照片宽为2.54x5=12.7cm;12寸就是照片宽为2.54x12=30.5cm。
身份证、体检表等多采用小一寸32×22mm,第二代身份证26mm×32mm,普通一寸相则25mm×35mm。护照旅行证件的相片标准相片尺寸:48mm×33mm,头部宽度为21mm~24mm,头部长度为28mm~33mm)。
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影楼的寸是英寸,1英寸=2.54厘米
影楼业内通用尺寸[并不符合国家标准,但很实用.单位厘米]:
1' 2.54x3.81
2' 3.7x4.9
3' 6x8
5' 12.7x8.9
7' 12.7x17.8
10' 20x25
12' 25x30
14' 25x35
16' 30x40
18' 35x45
24' 50x60
30' 60x75
32' 61x82
36' 60x90
40' 75x100
48' 76x120
把他们说的xx寸 乘以2.54 就是
该规格的长边的尺寸(厘米)
另外一边(短边)需要根据照片的比例计算
不知道你说的是像素还是厘米如果是厘米的话应该在34寸左右像素就差不多指甲盖。
1像素等于0.04厘米
1厘米=25像素
然后1英寸等于2.54厘米
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