Why are images different file sizes?

Image resolution is determined by the total number of pixels located within the image noted as pixels wide x pixels high. They are the same size in dimensions, but their file sizes are significantly different, because the image on the left has much more information, or pixel variation than the logo on the right.

Why is file size different from size on disk?

4 Answers. Size is the actual size of the file in bytes. Size on disk is the actual amount of space being taken up on the disk. They differ because the disk is divided into tracks and sectors, and can allocate blocks of discrete size.

Why does the size of a folder show different values in my phone and PC?

At times smartphones and computers use different level of file compression and file system. This difference is evident if you compare the folder size on a Windows powered PC which uses NTFS file system and iOS, BlackBerry 10 or Android which use hierarchical file systems.

Does changing DPI affect file size?

The results showed that for each 100 dot per inch scanned the file size doubled and in straight line proportion. The conclusion: If you do not need a high density of dots in your archive scan, don’t. If file size is not an issue but density is important, go ahead and scan at 300-400 DPI….​How does DPI affect file size?

DPI	Size (KB)
400	1942
500	3780

How do I reduce the difference between size and size on disk?

Size on disk can be reduced by using compression. However, compression cannot be used to reduce the actual size of the file to a measurement lower than the size on disk. Moreover, the former does not waste space as the actual size of the file only comprises vital data.

How do I change the file size of a disk?

Right-click the volume that you want to reduce the size and select Shrink Volume. Enter the amount of disk space in the box and click on Shrink.

Why are my picture files so large?

This usually occurs when you change the resolution of a picture, say from 2560×1440 to 1920×1080. Another way to reduce the size of an image is to compress the image. There are two types of compression: lossless and lossy. Finally, the picture format also makes a big difference in the size of the file.

Does file size affect print quality?

Many people think that lowering the resolution of an image also lowers the file size of the image, allowing it to download faster over the web. But while it’s true that smaller files sizes download faster, the resolution of your image has nothing to do with its file size.

How to find the large files taking up the most space?

To find the large files or files taking up a lot of space on the partition, you can click Size or Percent of Parent to make all files and folders listed according to their size or the percentage they take up.

How do I determine the size of a file or folder?

In Windows, right-clicking on any file, folder, or drive and choosing “Properties…” will show the size. In an Explorer window, you can select “Details” from the “View” menu; or in a file open or save dialogue box there is a “View” button from which you can also choose “Details”.

Why are my files different sizes in different places on disk?

Because of the way file systems organize and track your data on disk, size may be displayed differently in one place than in another. When backing up online, my pictures only take up ~65 GB, but ~88 GB are reported on my computer. Why?

How do I change the size of a file in Linux?

Click Size and choose one size option from the drop-down menu. Then, File Explorer will search for and display eligible files. The size options include: Empty (0 KB), Tiny (0 – 10 KB), Small (10 – 100 KB), Medium (100 KB – 1 MB), Large (1 – 16 MB), Huge (16 – 128 MB), and Gigantic (> 128 MB).