Data Size Converter
Convert file sizes between bytes, KB/MB/GB/TB (decimal) and KiB/MiB/GiB (binary) with a complete table.
Storage drives and OS tools advertise decimal units (1 GB = 1000 MB), while RAM and some tools use binary (1 GiB = 1024 MiB) — that is why a 1 TB drive shows as ~931 GiB.
About Data Size Converter
Convert file sizes between bytes, KB/MB/GB/TB (decimal) and KiB/MiB/GiB (binary) with a complete table.
As a Conversion tool, Data Size Converter converts between units instantly — type a value, pick the source and target units, and the result updates live as you type, so you never have to do the math by hand.
How to Use Data Size Converter
- Enter the value you want to convert in the input field.
- Select the source unit and the target unit.
- Read the result instantly — it updates live as you type.
- Copy the output or swap the units to convert in the other direction.
Key Features
- Live two-way conversion — edit either side and both update together.
- Uses standard, precise conversion factors for everyday and technical use.
- Runs entirely in your browser — works offline and sends nothing anywhere.
Frequently Asked Questions
How accurate are the conversions from Data Size Converter?
Conversions use standard published factors, and rounding happens only at display time. Results are precise enough for everyday, academic and engineering use.
Is Data Size Converter free to use?
Yes. Data Size Converter is completely free with unlimited use — no account, download or payment required.
Is my data uploaded to a server?
No. Data Size Converter runs entirely in your browser. Your inputs are never sent to our servers or stored anywhere.
Does Data Size Converter work on mobile?
Yes. The interface is fully responsive and works in any modern browser on Android, iPhone, tablets and desktops.
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