Identify the unit convention
A capacity written as GB may be compared with a display using binary units. The Data Storage Converter makes that difference explicit: decimal KB, MB, GB, and TB use powers of 1,000 bytes, while KiB, MiB, GiB, and TiB use powers of 1,024 bytes.
The menu also includes Bits and Bytes. One byte is eight bits in this converter. Read the full menu label rather than relying on a loosely written abbreviation from a screenshot. Capitalization and the i in the binary prefix help preserve a distinction that matters in a numerical comparison.
Convert one decimal gigabyte
Enter 1 as Value, choose Gigabytes (1000³ B) in From, and Gibibytes (1024³ B) in To. The expected result is approximately:
1 Gigabytes (1000³ B) = 0.931322574615 Gibibytes (1024³ B)This follows from dividing 1,000,000,000 bytes by 1,073,741,824 bytes per GiB. The underlying byte quantity has not shrunk. It is being expressed with a larger unit.
For another quick check, convert 8 Bits to Bytes. The expected result is 1 Byte. That distinction is useful when a network specification uses bits while a downloaded file size uses bytes. However, converting a size does not by itself produce a transfer time; you would also need a sustained transfer rate and assumptions about overhead.
Compare like with like
When checking two storage listings, convert both to Bytes or to the same explicitly labeled unit. Keep the source labels in your notes. A difference caused by decimal versus binary prefixes is separate from space used by formatting, metadata, or reserved capacity, which this tool does not calculate.
Decimal prefixes have defined powers of ten; NIST’s SI prefix reference provides the underlying decimal convention. The converter’s menu explicitly states its binary factors so you do not have to infer a vendor’s naming practice.
Keep scale and workload limits separate
Only nonnegative storage values are accepted. Results display up to 12 significant digits and use ordinary browser arithmetic, so extreme inputs may not preserve every integer byte. Keep an exact source byte count for audits or programmatic comparisons.
Conversion runs in the browser and needs no file upload. If your actual goal is to reduce a file rather than rename its size unit, Image Compressor or Video Compressor performs a different operation with its own format and workload limits.