Byte Converter — Bytes, KB, MB, GB and TB side by side
Enter a size in any unit and see it in bytes, kilobytes, megabytes, gigabytes and terabytes at once. For video files, storage comparisons, email attachment limits and data-plan allowances.
For when file sizes, storage and data plans all use different units.
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Byte Converter: tips and things to know
- A smartphone photo is about 3 to 5 MB; an hour of 1080p video is about 1.5 to 3 GB.
- Free cloud storage: Google Drive 15 GB, iCloud 5 GB.
- Japanese mobile plans quote data in GB; a "3 GB" plan is roughly 3,000 MB of browsing, maps and messaging a month.
How to use the Byte Converter
Choose the input unit
Pick B, KB, MB, GB or TB.
Enter the value
Type the number.
Read the results
All units are shown at once. Click one to copy it.
Byte Converter FAQ
How many bytes are in a kilobyte?
1,024 in this tool, which uses the binary (1024-based) convention.
How many megabytes are in a gigabyte?
1,024.
Why does my hard drive show a different size?
Drive makers count in decimal (1,000-based) units, so a "1 TB" drive shows about 931 GB in an operating system that counts in 1,024s.