Metric (Decimal) prefixes 1 KB (KiloByte) = 1000 Bytes 1 MB (MegaByte) = 1000 KB or 1,000,000 Bytes 1 GB (GigaByte) = 1000 MB or 1,000,000 KB or 1,000,000,000 Bytes 1 TB (TeraByte) = 1000 GB or 1,000,000 MB or 1,000,000,000 KB or 1,000,000,000,000 Bytes Binary prefixes 1 KiB (KibiByte) = 1024 Bytes 1 MiB (MebiByte) = 1024 KiB or 1,048,576 Bytes 1 GiB (GibiByte) = 1024 MiB or 1,048,576 KiB or 1,073,741,824 Bytes 1 TiB (TebiByte) = 1024 GiB or 1,048,576 MiB or 1,073,741,824 KiB or 1,099,511,627,776 Bytes