File Size Converter
Convert file sizes between B, KB, MB, GB, TB and PB instantly. See every equivalent unit at once. Free, no sign-up.
Your result will appear here.
How to use File Size Converter
- Pick the unit your file size is in.
- Enter the size and click Convert.
- See the size in B, KB, MB, GB, TB and PB at once.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
How many MB is 1 GB?
1 GB equals 1,024 MB using binary (1024-based) units, which is how operating systems report file sizes.
Why does my 1 TB drive show less space?
Drive makers advertise 1 TB as 1,000,000,000,000 bytes, but your computer counts 1 TB as 1,099,511,627,776 bytes — so the drive shows about 931 GB.
How many GB is a 500 MB file?
500 MB equals about 0.49 GB (500 ÷ 1024). Enter the size in the converter to see every unit.
Is this file size converter free?
Yes, it is 100% free with no sign-up, and it runs entirely in your browser.