How to use the Data Size Converter
- Enter the size.
- Choose the units (bytes to TB).
- Read the size in every unit.
How it's calculated
Show the formula
1 KB = 1024 bytes · 1 MB = 1024 KB · 1 GB = 1024 MB · 1 TB = 1024 GB
Storage makers often use 1000, which is why a new drive shows less space.
Worked example
These are the example numbers the calculator opens with. Change any of them above to see your own result.
You enter
| Value | 4 |
|---|---|
| From | GB |
| To | MB |
You get
| 4 GB | 4,096 MB |
|---|---|
| bytes | 4,294,967,296 |
| KB | 4,194,304 |
| MB | 4,096 |
| TB | 0.003906 |
Tips
- Drive makers count 1 GB as 1,000 MB, which is why a new drive shows less space on your computer.
Frequently asked questions
How many MB are in a GB?
1,024 MB in the way computers count (1,000 MB by drive makers).
Why does my 1 TB drive show about 931 GB?
The maker counts 1 TB as 1012 bytes; your computer divides by 1024 at each step.