Data Size Converter

Convert file sizes quickly between bytes, bits, KB, MB, GB, and TB (1024-based).

Value

From

→

Result

—

Note: this tool uses 1024-based conversions (common in computing).

What is a data size converter?

A data size converter helps you convert between bytes, bits, and larger units like KB, MB, GB, and TB. This is helpful when comparing storage plans, estimating download times, reading upload limits, or documenting API constraints. This converter updates instantly and runs locally in your browser for fast performance and privacy.

How to use

Enter a value (for example, 150).
Select the unit you have (for example, MB).
Select the unit you need (for example, GB).
Copy the result for documentation or calculations.

Common use cases

Uploads: check whether a file fits a MB/GB limit.
Bandwidth: convert bits to bytes for network calculations.
Storage: compare disk and cloud plans across units.

FAQ

Does this use 1000 or 1024?

This page uses 1024-based conversions, which are common in computing (1 KB = 1024 bytes).

What is the difference between bits and bytes?

1 byte equals 8 bits. Networks often use bits (Mbps), while file sizes are usually bytes (MB).

Why do I see decimals?

Conversions across units may not be whole numbers. We keep precision and trim trailing zeros.