About this Data Storage Converter
Data Storage Converter provides quick decimal conversions among bytes, kilobytes, megabytes, gigabytes and terabytes. The decimal convention matches many storage-device and network-capacity descriptions.
Formula or method
This calculator uses decimal SI-style units: 1 KB = 1,000 bytes, 1 MB = 1,000 KB, and so on.
Example
1 GB equals 1,000 MB in this calculator.
Common uses
- Compare file sizes across decimal storage units.
- Convert device capacities from GB to MB or TB.
- Check simple storage calculations without manually multiplying powers of 1,000.
How to use this tool
- Enter the values or text requested by the calculator.
- Choose units or options when the tool provides them.
- Select the calculation button and review the result.
- Use the formula, example and notes on this page to check whether the result fits your situation.
Important note
Some operating systems and technical contexts use binary units (KiB, MiB, GiB), which produce different displayed numbers.
Frequently asked questions
Why can my computer show a different size?
Some systems use binary-based units or label them differently, while this calculator uses powers of 1,000.
Does this tool use KiB and MiB?
No. It uses decimal KB and MB.