Storage calculations
Convert storage values when comparing hard drives, SSDs, memory cards, cloud storage, or other capacity limits.
Enter zero or a positive number.
Common file size conversions
Select an example to load the values into the converter.
File size units
This converter uses binary multiples, where each larger unit is 1,024 times the previous unit.
UnitEquivalent
1 B1 Byte
1 KB1,024 Bytes
1 MB1,024 KB
1 GB1,024 MB
1 TB1,024 GB
How to use the File Size Converter
- 1
Enter a file size
Type the numerical file size you want to convert.
- 2
Choose the original unit
Select Bytes, KB, MB, GB, or TB for the value you entered.
- 3
Choose the target unit
Select the unit you want to convert the value into.
- 4
Review the result
The converted value updates in the result field. You can also copy the result.
Binary and decimal file sizes
File-size terminology can use different conventions. This converter uses the binary convention commonly used in computing calculations: 1 KB equals 1,024 bytes, 1 MB equals 1,024 KB, and each larger unit follows the same 1,024-based relationship.
Some storage manufacturers and operating systems use decimal units, where 1 KB is 1,000 bytes. If you are comparing a storage-device specification with a computer display, check which convention is being used.
Upload and download limits
Convert file sizes when checking whether documents, images, videos, or archives fit within an upload or download limit.
Backup planning
Use consistent file-size units when estimating the space needed for backups and collections of digital files.
Quick technical checks
Convert between common units when reading software documentation, server limits, hosting specifications, or technical information.
Browser-based processing
The File Size Converter performs its calculations directly in your browser. It does not require you to upload a file because the tool works with the numerical file-size value you enter.
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File Size Converter FAQ
How many bytes are in 1 KB?
This converter uses the binary convention, so 1 KB equals 1,024 bytes.
How many KB are in 1 MB?
Using the binary convention, 1 MB equals 1,024 KB.
Can I convert GB to MB?
Yes. Select GB as the original unit and MB as the target unit, then enter the value you want to convert.
Does this converter upload my files?
No file upload is required. The tool converts the numerical value you enter directly in your browser.
Why can storage sizes look different on different devices?
Different systems and manufacturers may use binary or decimal units. This converter uses binary multiples of 1,024.