The SI decimal system uses powers of 1000 (1 GB = 1,000,000,000 B). The IEC binary system uses powers of 1024 (1 GiB = 1,073,741,824 B).
Convert storage between bytes, SI units (kB, MB, GB, TB) and IEC binary units (KiB, MiB, GiB, TiB), comparing base 1000 and 1024.
The SI decimal system uses powers of 1000 (1 GB = 1,000,000,000 B). The IEC binary system uses powers of 1024 (1 GiB = 1,073,741,824 B).