B
1,073,741,824
KB
1,048,576
MB
1,024
GB
1
TB
0.000977
PB
0.000001
How to Use
Enter a value in any unit field. All other units update automatically. Toggle between binary (1024) and decimal (1000) modes.
Frequently Asked Questions
What is the difference between KB and KiB?
KB (kilobyte) = 1000 bytes (decimal). KiB (kibibyte) = 1024 bytes (binary). This tool supports both conventions.
Why does my hard drive show less space?
Hard drives use decimal units (1 GB = 1,000,000,000 bytes), while operating systems use binary (1 GiB = 1,073,741,824 bytes).
What is the largest unit?
This tool supports up to petabytes (PB). Beyond that, exabytes and zettabytes exist but are rarely needed.