File Size Converter
Convert between bytes, KB, MB, GB and TB instantly. See every unit at once.
File size input
B
1048580
KB
1024
MB
1
GB
0.000976563
TB
9.53674e-7
The File Size Converter changes a data size between bytes, KB, MB, GB, and TB using binary units where 1 KB equals 1024 bytes. It helps when you compare storage, estimate download sizes, or check upload limits stated in a different unit.
How to use the File Size Converter
- Enter the size value you want to convert.
- Choose the unit it is currently in (bytes, KB, MB, GB, or TB).
- Select the unit you want the result expressed in.
- Read the converted size, recalculated as you change inputs.
Frequently asked questions
- How many megabytes are in 1 gigabyte?
- Using binary units, 1 GB equals 1024 MB, and 1 MB equals 1024 KB. So 2 GB works out to 2048 MB.
- Why use 1024 instead of 1000?
- This tool uses the binary convention common in operating systems, where each step up multiplies by 1024 rather than 1000. That matches how Windows and many programs report file sizes.
- What is the difference between this and the decimal sizes drive makers use?
- Storage manufacturers often label capacity using 1000 based units, which makes a drive look slightly larger than what your computer shows. That is why a 1 TB drive may display as roughly 931 GB in binary terms.
- Can I enter decimal amounts like 1.5 MB?
- Yes, fractional values are allowed, so you can convert sizes such as 1.5 MB or 0.25 GB. The result is calculated with full precision and then displayed neatly.