1寸照片的尺寸是多少？

在我们日常生活中，我们经常听到1寸照片这个词。那么，1寸照片的尺寸究竟是多少呢？在国内，1寸照片的标准尺寸为25mm x 35mm。它是指照片的宽度为25毫米，高度为35毫米。这个尺寸通常用于办理各种证件，如身份证、护照、驾驶证等。

What is the size of a 1-inch photo?

In our daily lives, we often hear the term "1-inch photo." So, what exactly is the size of a 1-inch photo? In China, the standard size of a 1-inch photo is 25mm x 35mm. It means that the width of the photo is 25 millimeters, and the height is 35 millimeters. This size is commonly used for various documents, such as ID cards, passports, and driver's licenses.

1寸照片的尺寸是由国家相关机构制定的，以确保证件照片的统一标准。这样可以方便办理机关和企事业单位的各项手续，并提高照片的辨识度。因此，无论是办理身份证、护照还是其他证件，我们都需要按照规定的尺寸来拍摄和打印照片。

The size of a 1-inch photo is determined by relevant national agencies to ensure standardized document photos. This makes it convenient for handling procedures in government agencies and enterprises, and improves the recognizability of the photos. Therefore, whether it is applying for an ID card, passport, or any other document, we need to take and print photos according to the specified size.

很多人可能会感到困惑，为什么称作1寸照片，实际尺寸却是25mm x 35mm？实际上，这是由于历史原因导致的。在过去的相机技术发展中，照片尺寸通常以英寸为单位。而随着时代的进步，尺寸标准逐渐转化为毫米，但名称却没有随之改变。因此，“1寸照片”实际上指的是25mm x 35mm的尺寸。

Many people may feel confused about why it is called a 1-inch photo when the actual size is 25mm x 35mm. In fact, this is due to historical reasons. In the development of camera technology in the past, photo sizes were usually measured in inches. With the progress of time, the size standard gradually transitioned to millimeters, but the name did not change accordingly. Therefore, "1-inch photo" actually refers to the dimensions of 25mm x 35mm.

对于我们普通人而言，拍摄和打印1寸照片并不复杂。我们可以选择去照相馆或者使用家里的数码相机进行拍摄。在拍摄时，需要注意的是要保持头部和肩部的正常姿势，面部表情自然，光线适中。此外，为了确保照片质量，我们可以选择专业的打印店进行打印，或者使用打印机打印在相纸上。

For ordinary people like us, it is not difficult to take and print 1-inch photos. We can choose to go to a photo studio or use a digital camera at home for photography. When taking the photo, it is important to maintain a normal posture of the head and shoulders, have a natural facial expression, and ensure moderate lighting. Additionally, to ensure photo quality, we can choose a professional printing store for printing or use a printer to print on photographic paper.

总之，1寸照片的尺寸为25mm x 35mm。它是用来办理各类证件所需的标准尺寸。了解并按照规定的尺寸拍摄和打印照片，能够方便我们的生活，并且确保我们的证件图片符合要求。所以，无论是为自己还是为他人办理证件，我们都应当牢记1寸照片的尺寸标准。

In conclusion, the size of a 1-inch photo is 25mm x 35mm. It is the standard size required for various document applications. Understanding and taking photos and printing them according to the specified size can make our lives more convenient and ensure that our document photos meet the requirements. Therefore, whether we are applying for documents for ourselves or others, we should always remember the standard size of a 1-inch photo.