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🧮 CalcHub

💾 Data Size Converter

Convert between 7 data units with binary (1024) or SI (1000) standard.

💾 Enter Data Size

📊 Conversions

Bit (b)8,589,934,592
Byte (B)1,073,741,824
Kilobyte (KB)1,048,576
Megabyte (MB)1,024
Gigabyte (GB)1
Terabyte (TB)0.00097656
Petabyte (PB)0.00000095

Conversion Formulas

Binary

1 KB = 1,024 Bytes

SI (Decimal)

1 KB = 1,000 Bytes

Binary vs SI Difference

1 TB ≈ 931 GiB (binary vs SI)

Frequently Asked Questions

How many GB in 1 TB?

In binary: 1 TB = 1,024 GB. In SI: 1 TB = 1,000 GB.

Why is my 128 GB phone showing less storage?

Manufacturers use SI (1000×), but the OS uses binary (1024×), so it shows about 119 GiB.