💾 File Size Converter

Convert between bytes (B), kilobytes (KB), megabytes (MB), gigabytes (GB), and terabytes (TB). Ideal for storage calculations, data transfer, and file management.

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📖 How to Use the File Size Converter (Step by Step)

Step 1: Enter the numeric value you want to convert.
Step 2: Select the source unit (Bytes, KB, MB, GB, or TB).
Step 3: Select the target unit – the result appears instantly.
Step 4: Use the "Swap" button to reverse the units.
Step 5: See the converted value in all other units in the grid below.

💡 Understanding File Sizes

1 KB (Kilobyte) = 1,024 bytes
1 MB (Megabyte) = 1,024 KB = 1,048,576 bytes
1 GB (Gigabyte) = 1,024 MB = 1,073,741,824 bytes
1 TB (Terabyte) = 1,024 GB = 1,099,511,627,776 bytes
All calculations use binary (base‑2) standard.

💡 Pro Tip: Use the "Swap" button to quickly reverse the conversion. The grid below shows your value in all units simultaneously.

🔒 100% client‑side • No data uploaded • Binary (base‑2) conversion • Zero tracking