Digital Storage Converter
Our free tech & electronics converter handles digital storage conversions. See tables, ratios, and examples for quick reference.
Reviewed for accuracy by Manoj Kumar, Mathematics Educator
Digital Storage Converter
Calculator
Adjust values & calculateEnter your values below. Every result is computed in your browser โ no data is sent to any server.
Formula: Bytes = Value x Base^UnitLevel | Target = Bytes / Base^TargetLevel
Worked example โ 2 TB = 2,048 GB (binary) or 2,000 GB (decimal)
Formula
Bytes = Value x Base^UnitLevel | Target = Bytes / Base^TargetLevel
Digital storage conversion works by first converting the input value to bytes, then converting from bytes to the target unit. In binary, each level multiplies by 1024 (2 to the power of 10). In decimal, each level multiplies by 1000. The unit levels from smallest to largest are: Bit (1/8 byte), Byte, KB, MB, GB, TB, PB.
Worked Examples
Example 1: Hard Drive Capacity Comparison
Problem:Convert 2 TB of storage to GB (binary) to understand actual usable space.
Solution:2 TB x 1024 GB/TB = 2048 GB (binary) In decimal: 2 TB = 2000 GB Difference: 2048 - 2000 = 48 GB more in binary terms
Result:2 TB = 2,048 GB (binary) or 2,000 GB (decimal)
Example 2: File Download Size
Problem:A file is 750 MB. How many GB is that?
Solution:750 MB / 1024 MB per GB = 0.7324 GB (binary) 750 MB / 1000 MB per GB = 0.75 GB (decimal)
Result:750 MB = 0.7324 GB (binary) or 0.75 GB (decimal)
Frequently Asked Questions
What is the difference between binary and decimal storage units?
Binary storage uses powers of 1024, which is the standard for measuring actual computer memory and file systems. Decimal storage uses powers of 1000, which is the standard manufacturers often use when advertising storage capacity on hard drives and SSDs. This is why a 1 TB hard drive shows about 931 GB in your operating system. The International Electrotechnical Commission introduced KiB, MiB, and GiB for binary units, but the older KB, MB, GB naming is still widely used.
What are bits and bytes and how do they relate?
A bit is the smallest unit of digital data, representing either a 0 or a 1. A byte is a group of 8 bits and is the standard unit for measuring file sizes. Network speeds are typically measured in bits per second (Mbps), while storage is measured in bytes (MB, GB). To convert between them, divide bits by 8 to get bytes. For example, a 100 Mbps connection can theoretically transfer 12.5 MB per second.
Should I use binary or decimal mode when estimating cloud storage or phone storage plans?
Cloud storage providers such as Google Drive, Dropbox, and iCloud, along with phone and camera manufacturers, almost always bill and advertise capacity in decimal (1000-based) units, matching how hard drives are marketed. Your operating system's file browser, however, typically reports file and folder sizes in binary (1024-based) units. This means a '2 TB' cloud plan will show as roughly 1.82 TiB of usable space once your computer displays it, even though no data is missing. When budgeting storage for backups or migrations, convert using decimal mode to match the provider's marketing figures, then mentally expect the operating system to display a slightly smaller number for the same data.
References
Reviewed for accuracy by Manoj Kumar, Mathematics Educator ยท Editorial policy
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