File Size Converter
Convert between B, KB, MB, GB and TB (binary, base 1024).
Input Data
From Unit
Value
To Unit
Results
0.001
1 MB = 0.0009765625 GB（1024 進位）。
At a glance:Binary base 1024: 1 KB = 1024 B, 1 MB = 1024 KB, etc. Convert among B / KB / MB / GB / TB. Complements the data-unit converter.
Formula
target = source × 1024^(fromIdx − toIdx).
How to Use
- Select the from/to unit and enter the value.
- The tool returns the converted result.
Case Studies
1 MB → 0.0009766 GB
1 ÷ 1024 = 0.0009766.
FAQ
1000 or 1024?
This version uses the binary base 1024 (1 KB = 1024 B), which is standard for file sizes in most operating systems.
How is it different from the data-unit converter?
The data-unit converter handles data-rate/transfer units; this one is specifically for file sizes.
Where is it used?
Storage estimation and attachment-size checks.
What is the precision?
4 decimal places.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.