Data Size Converter
Local ProcessingConvert between a selected pair of decimal or binary storage units.
How It Works & Processing Standards
Convert between the units listed below using B as the base unit.
| KB | 1 KB = 1000 B |
| MB | 1 MB = 1000000 B |
| GB | 1 GB = 1000000000 B |
| TB | 1 TB = 1000000000000 B |
| KiB | 1 KiB = 1024 B |
| MiB | 1 MiB = 1048576 B |
| GiB | 1 GiB = 1073741824 B |
| TiB | 1 TiB = 1099511627776 B |
Tool processing runs in your browser. If you create a calculator or conversion share link, its values are included in the URL. See the privacy policy for account, analytics and advertising data.
Drive makers count 1 GB = 10⁹ bytes (decimal); operating systems often count 1 GiB = 2³⁰ bytes (binary). This explains why a 500 GB drive shows 465.
How to Use Data Size Converter
- 1Enter a valueDecimals and negative numbers (for temperature, say) are accepted.
- 2Choose unitsPick the unit you have and the unit you want. The swap button reverses the direction.
- 3Read, copy or shareResults show up to six decimal places. Copy them or create a share link with the same value.
Examples
A 500 GB SSD in GiB
Input: 500 GB → GiB
Result: 465.661287
One TB in GB
Input: 1 TB → GB
Result: 1000
Common Use Cases
- Why a new drive looks smaller than advertised
- Comparing GB and GiB in cloud plans
- Checking an upload limit in MB
Frequently Asked Questions (FAQ)
Isn’t 1 GB = 1,024 MB?
In the SI standard 1 GB = 1,000 MB; 1,024 MiB = 1 GiB. Windows Explorer shows GiB values labeled GB.
What about bits?
One byte is 8 bits. For internet speeds in bps, use the Data Rate Converter.