1 Binary GB (GiB) = 1024³ B = 1073741824 B | 1 Decimal GB = 10⁹ B = 1000000000 B | 1 GB = 1024 MB (binary) / 1000 MB (decimal)
Select GB standard (critical for storage accuracy):
Select conversion direction:
Binary: 1 GB = 1024³ B (computing/storage) | Decimal: 1 GB = 10⁹ B (marketing/consumer)
Display format:
Quick storage conversions - click to auto-fill:
Useful for storage capacity calculations, IT infrastructure, consumer electronics? Share with developers/IT professionals:
✅ Binary (Computing) GB (GiB):
GB → B: B = GB × 1024³ = GB × 1073741824
B → GB: GB = B ÷ 1073741824 = B × 9.313225746154785e-10
✅ Decimal (Marketing) GB:
GB → B: B = GB × 10⁹ = GB × 1000000000
B → GB: GB = B ÷ 1000000000 = B × 1e-9
The dual definition stems from historical and marketing reasons:
Practical guidelines for IT professionals:
✅ Use Binary (GiB): OS storage metrics, RAM capacity, file sizes, software development
✅ Use Decimal (GB): Storage device marketing, network speeds (Gbps), cloud billing, consumer specs
✅ Critical: Always clarify which standard is used (e.g., "500GiB (536GB decimal)")
✅ Example: 8GB RAM = 8589934592 B (binary) (exact, no marketing fluff)
Real-world IT applications for GB ↔ B conversion:
Cross-check with official standards:
Binary: 1 GiB = 2³⁰ B = 1073741824 B (IEC standard, 1998)
Decimal: 1 GB = 10⁹ B = 1000000000 B (SI standard)
Conversion: 1 GiB = 1.073741824 GB (decimal) | 1 GB (decimal) = 0.9313225746154785 GiB
Validation: Windows → Right-click drive → Properties (shows both GiB and GB)
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