1 GB = 1024 MB in binary (1 GiB), or 1000 MB in decimal (1 GB). This converter uses binary (1024) as the standard.

What is the difference between MB and MiB?

MB (Megabyte) traditionally means 1024 KB, while MiB (Mebibyte) officially means 1024 KiB. Most people use MB to mean 1024 KB in everyday usage.

1 TB = 1024 GB. To convert TB to GB, multiply by 1024.

Data Size Converter - Convert KB, MB, GB, TB Free

What is a Data Size Converter?

A data size converter helps you convert between different units of digital information — bytes, kilobytes, megabytes, gigabytes, terabytes, and even bits. It's essential for understanding file sizes, storage capacities, and download speeds.

Data Size Units Explained

Bit (b): Smallest unit — 0 or 1
Byte (B): 8 bits — one character
Kilobyte (KB): 1024 bytes
Megabyte (MB): 1024 KB — a photo
Gigabyte (GB): 1024 MB — a movie
Terabyte (TB): 1024 GB — a hard drive
Petabyte (PB): 1024 TB — data center storage

Common Conversions

1 KB = 1024 bytes
1 MB = 1024 KB = 1,048,576 bytes
1 GB = 1024 MB = 1,048,576 KB
1 TB = 1024 GB = 1,048,576 MB
1 PB = 1024 TB

Binary vs Decimal

This converter uses binary (1024-based) conversions — the traditional computing standard. Note that storage manufacturers sometimes use decimal (1000-based) values, which is why a "500 GB" drive often shows as ~465 GB on your computer.

Frequently Asked Questions

How many MB in a GB?

1 GB = 1024 MB (binary standard).

How many GB in a TB?

1 TB = 1024 GB.

Why does my 500 GB drive show less space?

Drive manufacturers use decimal (1000-based), while operating systems use binary (1024-based). So 500 GB advertised = ~465 GiB actual.

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