About data size converter
Storage sizes use units from bits to terabytes. This converter uses the traditional 1024-based steps, where 1 KB is 1024 bytes.
Why numbers differ
- Computers and operating systems often count in powers of 1024 (KiB, MiB, GiB).
- Drive makers advertise in powers of 1000, so a 500 GB drive shows less than 500 GB in your computer.
- A byte is 8 bits. Network speeds are written in bits and file sizes in bytes.
Examples
1 MB = 1024 KB = 1,048,576 bytes. A 4 GB file is 4096 MB.
A worked example
A 5 GB video is 5 × 1024 = 5,120 MB. A 750 KB photo is about 0.73 MB. If your phone has 128 GB of storage and a 4 GB game, the game uses roughly 3 percent of it.
Bits and bytes
- A byte is 8 bits, so 1 MB is 8 megabits.
- File sizes use bytes (MB, GB), while network speeds use bits (Mbps, Gbps).
- Operating systems may show GiB or GB differently from the box label.
