Data Volume Estimates and Conversions
Storage Estimates
| Media | Electronic Storage | Paper Storage |
|---|---|---|
| CD | 650 MB | 50,000 Pages |
| DVD | 4.7 GB | 350,000 Pages |
| Digital Linear Tape | 40/80 GB | 3/6 Million Pages |
| Super Digital Linear Tape | 60/120 GB | 4/9 Million Pages |
Page Estimates
| Data Unit | Page Count |
|---|---|
| 1 MB | 75 |
| 1 GB | 75,000 |
| 1.5 (100,099 pages per GB) | |
| Word Document | 8 (64.782 pages per GB) |
| Spreadsheet | 50 (165.791 pages per GB) |
| Power Point Presentation | 14 (17,552 pages per GB) |
Email File Estimates
| File Size | Email Quantity |
|---|---|
| 100 MB .PST File | 900 Emails and 300 Attachments |
| 400 MB .PST File | 3500 Emails and 1200 Attachments |
| 600 MB .PST File | 5500 Emails and 1600 Attachments |
| 1 GB .NSF File | 9000 Emails and 3000 Attachments |
| 1.5 .NSF File | 14,500 Emails and 4500 Attachments |
Bits and Bytes Sizes
| 8 bits are equal to 1 byte (one or two words) |
| 1,024 KB are equal to 1 MB |
| 1,024 MB are equal to 1 GB |
| 1,024 GB are equal to 1 TB |
| 1,024 TB are equal to 1 PB |
| 1,024 PB are equal to 1 EB |
Terms and Definitions
| Abbreviation | Full Name | Definition |
|---|---|---|
| KB | Kilobyte | |
| MB | Megabyte | |
| GB | Gigabyte | (One Truck Full of Paper) |
| TB | Terabyte | (Paper Produced from 50,000 Trees) |
| PB | Petabyte | (250 Billion Pages of Text) |
| EB | Exabyte | (1,000,000,000,000,000,000 bytes) |
| PST (File Extension) | Personal Storage Table | Microsoft Storage File |
| NSF (File Extension) | Notes Storage Format | Lotus Notes Email Storage File |