Convert between bytes, KB, MB, GB, TB and more.
Result
1,024
Megabytes
Bytes
1,073,741,824
Kilobytes
1,048,576
Megabytes
1,024
Terabytes
0.001
Petabytes
0
Understanding data storage units is essential for comparing storage devices, internet speeds, and file sizes. This converter uses binary (base-2) values, which are the standard used by operating systems like LayoutGrids and macOS to report file and drive sizes. This is why a 1 Terabyte hard drive you purchase might appear as about 931 Gigabytes on your computer.
From the smallest text file to large video streams, everything on your computer is measured in these units. Our Data Storage Converter helps you easily translate between Bytes, Kilobytes (KB), Megabytes (MB), Gigabytes (GB), Terabytes (TB), and even Petabytes (PB). Whether you're a student, an IT professional, or just curious, this Calculator Site tool makes digital measurement simple. For related calculations, you might find our Bandwidth Calculator useful.
Binary vs. Decimal: The Marketing "Gigabyte"
Hard drive manufacturers often market their devices using decimal units (1 GB = 1,000 MB), which is simpler for marketing. However, computers operate in binary (1 GiB = 1,024 MiB). This discrepancy is why your storage capacity appears lower than advertised. This tool uses the binary system for accurate, real-world calculations as your OS sees it.
It can be hard to visualize how much data these units represent. Here are a few examples to put these numbers into context and understand what they mean for your daily digital life. Check out our Download Time Calculator to see how long these would take to transfer.
~100 GB
A typical 4K resolution movie
~5 MB
A high-quality photo from a smartphone
1 TB
Around 250,000 photos or 500 hours of HD video
How to use this Calculator Site tool
Simply enter a value in the "Value" field, then select the unit you are converting from and the unit you want to convert to. The main result will be displayed prominently, and a table below will show the equivalent value across all common storage units for a complete overview.
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