File Size Converter

How to Use the File Size Converter

1

Enter the File Size

Type the file size and select the unit you already have.

2

Choose Base

Pick decimal (1000) or binary (1024) conversion based on your needs.

3

Copy Results

Copy the converted sizes for documentation, pricing, or storage planning.

What is File Size Conversion?

File sizes are commonly shown in bytes, kilobytes, megabytes, gigabytes, and terabytes. This converter helps you quickly see the equivalent sizes across units.

Choose decimal (base 1000) for storage marketing units and binary (base 1024) for technical measurements used by operating systems.

Popular Use Cases

Storage Planning

Estimate cloud storage usage, backups, and quotas more accurately.

Product Specs

Translate file sizes for user-facing documentation and pricing tables.

Data Reporting

Standardize file sizes before exporting metrics and reports.

Quick Comparisons

Compare file sizes between systems or compression results.

File Size Converter FAQ

Decimal uses base 1000 (1 KB = 1000 bytes). Binary uses base 1024 (1 KiB = 1024 bytes).

This tool displays the common KB/MB/GB labels while letting you choose the base for accuracy.

Yes. It supports conversions up to petabytes so you can plan large storage needs.

No. The converter runs locally in your browser.