File Size Calculator

File Size Calculator: View the sizes of multiple local files and calculate their combined total.

File Size Calculator

File Size Calculator: Select one or more files (up to 250) and click Analyze file sizes. The tool lists their byte sizes and calculates the combined size using binary KiB/MiB/GiB units.

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How to use File Size Calculator

Select one or more files (up to 250) and click Analyze file sizes. The tool lists their byte sizes and calculates the combined size using binary KiB/MiB/GiB units.

Example

Two files of 1,024 bytes each have a combined size of 2 KiB.

What to know

The file picker provides file sizes as reported by your browser. This does not estimate disk allocation, compressed archive size or remote upload time.