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Byte Calculator

Byte Calculator

Convert digital storage sizes among bits, bytes, decimal units, and binary units with a full comparison table.

Byte Calculator converts digital storage sizes among bits, bytes, decimal units such as KB, MB, GB, and TB, and binary units such as KiB, MiB, GiB, and TiB. Enter an amount, choose the source unit and target unit, and review the full conversion table.

This is useful when comparing file sizes, storage capacity, download sizes, memory allocation, database limits, upload limits, and bandwidth calculations.

Byte Calculator

Enter the required values and run the tool to view results.

Convert among bits, bytes, decimal storage units (KB to YB), and binary units (KiB to YiB) with a full comparison table.

Value From unit Convert to Decimal places

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How to use Byte Calculator

Enter the amount you want to convert, select the unit it is currently measured in, and choose the target unit. The result shows the direct conversion first, then a table of equivalent values across common decimal and binary units.

Decimal units versus binary units

Decimal storage units use powers of 1,000. For example, 1 KB is 1,000 bytes and 1 GB is 1,000,000,000 bytes. These units are commonly used for disk capacity, network transfer sizes, and product labeling.

Binary units use powers of 1,024. For example, 1 KiB is 1,024 bytes and 1 GiB is 1,073,741,824 bytes. These units are common in operating systems, memory sizing, file systems, and technical documentation.

Why the numbers can look different

A storage device advertised as 500 GB uses decimal gigabytes. An operating system may display the same capacity in binary-based units, which can appear smaller even though the underlying byte count is consistent. Distinguishing GB from GiB helps avoid confusion when comparing storage, memory, and file-size values.

Byte conversion tips

Use decimal units when matching product labels, data transfer quotas, and many network or storage specifications. Use binary units when working with memory, operating-system file sizes, and low-level computing contexts. When accuracy matters, compare the byte count directly.