Byte Converter
Convert between bits, bytes, KB, MB, GB, TB, and PB instantly with our free data storage converter.
Convert Data Storage Units
Quick Reference
Values update based on selected conversion standard
Conversion Results
Bits, Bytes, and Everything Between
Type a value and convert instantly between bits, bytes, kilobytes, megabytes, gigabytes, terabytes — and beyond. Results update live as you type, across every unit at once.
Switch between binary mode (1 KB = 1024 bytes, as operating systems measure) and decimal mode (1 KB = 1000 bytes, as drive makers quote) with one toggle.
Live all-units results
One input fills the whole table — see the value in every unit simultaneously as you type.
Binary and decimal modes
Toggle between 1024-based and 1000-based definitions of KB, MB, and GB to match your context.
Free and private
All conversion math runs in your browser — nothing you type is uploaded anywhere.
How to use
- Enter a value in any unit field.
- Toggle binary or decimal mode if needed.
- Copy any converted value with the one-click copy button.
Frequently Asked Questions
Why do KB sometimes mean 1000 and sometimes 1024?
Drive makers use decimal (1000-based) units while operating systems traditionally use binary (1024-based) — which is why a '1 TB' drive shows as about 931 GB in Windows.
What is the difference between a bit and a byte?
A bit is a single 0 or 1; a byte is 8 bits — the standard unit for file sizes.
How many MB are in a GB?
1,000 in decimal mode or 1,024 in binary mode — the converter handles both.
Is my input uploaded?
No. All conversions happen in your browser — nothing leaves your device.
Is the converter free?
Yes, free with no signup.
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