Storage Size Calculator is a free online tool that helps you convert storage units, calculate storage requirements for files, and determine storage capacity. Perfect for IT professionals, students, and anyone planning storage needs – convert between bytes, KB, MB, GB, TB, and PB instantly.

Key Features

✓ 3-in-1 Calculator - Unit converter, files to storage, and storage capacity calculator

✓ Unit Converter - Convert between Bytes, KB, MB, GB, TB, and PB instantly

✓ Files to Storage Calculator - Calculate total storage needed for multiple files

✓ Storage Capacity Calculator - Determine how many files fit in your storage

✓ Multiple Unit Support - Works with all common storage units

✓ Accurate Conversions - Uses standard 1024-based binary calculations

✓ Real-time Results - Instant calculations with clear visual displays

✓ User-Friendly Interface - Beautiful gradient design with organized tabs

✓ Large Number Support - Handles calculations from bytes to petabytes

✓ Mobile Responsive - Works seamlessly on all devices

✓ 100% Free - No sign-up, no downloads required

✓ Professional Tool - Perfect for IT planning, data management, and storage budgeting

How to Use

Tab 1: Unit Converter

Convert storage sizes between different units.

Steps:

1. Enter a storage value (e.g., 500)
2. Select the unit from the dropdown (Bytes, KB, MB, GB, TB, PB)
3. Click "Convert"
4. View conversions in all units simultaneously

Example:

• Input: 1 GB
• Results: 1,073,741,824 Bytes | 1,048,576 KB | 1,024 MB | 1 GB | 0.001 TB

Tab 2: Files to Storage

Calculate how much storage you need for multiple files.

Steps:

1. Enter the number of files (e.g., 1,000 photos)
2. Enter the average file size (e.g., 5 MB)
3. Select the unit (KB, MB, or GB)
4. Click "Calculate Storage"
5. View total storage required in MB, GB, and TB

Example:

• 1,000 photos × 5 MB each = 5,000 MB (5 GB) total storage needed

Use Cases:

• Planning photo storage for a camera
• Estimating backup drive size
• Calculating cloud storage needs
• Budgeting server storage capacity

Tab 3: Storage Capacity

Calculate how many files you can store in the available space.

Steps:

1. Enter your total storage capacity (e.g., 256 GB for an SD card)
2. Select the unit (MB, GB, or TB)
3. Enter the average file size (e.g., 10 MB per song)
4. Select the file size unit (KB, MB, or GB)
5. Click "Calculate Files"
6. See how many files you can store

Example:

• 256 GB storage ÷ 10 MB per song = 26,214 songs

Use Cases:

• How many movies fit on a hard drive?
• How many photos fit on a memory card?
• Planning USB drive purchases
• Estimating device storage limits

Tips & Examples

Quick Reference:

• 1 KB = 1,024 Bytes
• 1 MB = 1,024 KB
• 1 GB = 1,024 MB
• 1 TB = 1,024 GB
• 1 PB = 1,024 TB

Real-World Examples:

📸 Photography:

• High-quality photo: 5-10 MB
• RAW photo file: 25-50 MB
• 64 GB card = ~1,280 high-quality photos

🎵 Music:

• MP3 song: 3-5 MB
• FLAC song: 30-40 MB
• 128 GB storage = ~25,600 MP3 songs

🎬 Video:

• HD movie (1080p): 3-5 GB
• 4K movie: 15-25 GB
• 1 TB drive = ~200 HD movies

💾 Documents:

• Text document: 50-100 KB
• PDF: 500 KB - 5 MB
• 32 GB = ~64,000 documents

Clear Functions

Each tab has a "Clear" button to reset all inputs and start fresh calculations.

This calculator is essential for anyone working with digital storage - from students managing homework files to IT professionals planning enterprise storage solutions!