Which mode should I use?

SI for network bandwidth and marketing material. Binary for RAM, file sizes reported by most OSes.

Can I convert bits as well?

Yes. Both bit (b) and byte (B) units are supported alongside each other.

Byte / Data Size Converter

Switch values between byte units with support for both SI (1000-based) and binary (1024-based) interpretations. Useful for disk sizes, bandwidth, and file transfers.

Runs locally in your browser

Value

Unit

bit8.5899e+9

Kibit8,388,608

Mibit8,192

Gibit8

Tibit0.007813

B1.0737e+9

KiB1,048,576

MiB1,024

GiB1

TiB9.7656e-4

PiB9.5367e-7

Bytes

1.0737e+9

Bits

8.5899e+9

Human-readable

1.00 GiB

Base

1024

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About Byte / Data Size Converter

Switch values between byte units with support for both SI (1000-based) and binary (1024-based) interpretations. Useful for disk sizes, bandwidth, and file transfers.

Byte / Data Size Converter is part of FizzKit — a collection of focused, browser-based tools. Because everything runs locally, it works offline once loaded and never exposes your data to a remote server.

Frequently asked questions

KB is 1,000 bytes (SI). KiB is 1,024 bytes (binary). Disk manufacturers use SI; operating systems often use binary.

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