Gigabytes (GB) to Bytes Converter
Enter a value to instantly convert between data storage units.
1 Gigabyte = 1073741824 Byte
Key Formulas
Megabyte → Gigabyte
GB = MB × 0.000976563Gigabyte → Megabyte
MB = GB × 1024Gigabyte → Terabyte
TB = GB × 0.000976563Terabyte → Gigabyte
GB = TB × 1024Formula
bytes = GB × 1073741824One gigabyte equals 1,073,741,824 bytes (1024³ bytes) using the JEDEC binary standard that your operating system uses. However, storage manufacturers market in decimal (1 GB = 1,000,000,000 bytes), creating a 7.4% discrepancy that explains why a 1 TB drive shows ~931 GB usable. Understanding this distinction is critical for storage planning and preventing capacity surprises.
Source: JEDEC Standard 100B.01
Frequently Asked Questions
Real-World Examples
1 GB USB drive paradox: seller advertises 1,000,000,000 bytes; OS shows 0.93 GiB = 1,073,741,824 bytes.
1 GB = 1073741824 B
Video archive: 10 GB folder = 10,737,418,240 bytes for cloud upload time calculation.
10 GB = 10737418240 B
Database backup: 50 GB = 53.7 billion bytes for storage allocation and replication.
50 GB = 53687091200 B
Phone storage: 256 GB phone = 274.9 billion bytes with OS overhead ~20 GB.
256 GB = 274877906944 B