| Data Measurement | Size |
|---|---|
| Bit | Single Binary Digit (1 or 0) |
| Byte | 8 bits |
| Kilobyte (KB) | 1,024 Bytes |
| Megabyte (MB) | 1,024 Kilobytes |
| Gigabyte (GB) | 1,024 Megabytes |
| Terabyte (TB) | 1,024 Gigabytes |
| Petabyte (PB) | 1,024 Terabytes |
| Exabyte (EB) | 1,024 Petabytes |
Connection Speed Chart
| Internet Technology | Data Rate (per second) | Bits | Bytes | Kilobytes |
|---|---|---|---|---|
| 28.8K Modem | 28.8 Kbps | 28,800 | 3,600 | 3.5 |
| 36.6K Modem | 36.6 Kbps | 36,600 | 4,575 | 4.4 |
| 56K Modem | 56 Kbps | 56,000 | 7,000 | 6.8 |
| ISDN | 128 Kbps | 128,000 | 16,000 | 15 |
| T1 | 1.544 Mbps | 1,544,000 | 193,000 | 188 |
| DSL | 512 Kbps to 8 Mbps | 8,000,000 | 1,000,000 | 976 |
| Cable Modem | 512 Kbps to 52 Mbps | 53,000,000 | 6,625,000 | 6,469 |
| T3 | 44.736 Mbps | 44,736,000 | 5,592,000 | 5,460 |
| Gigabit Ethernet | 1 Gbps | 1,000,000,000 | 125,000,000 | 122,070 |
| OC-256 | 13.271 Gbps | 13,271,000,000 | 1,658,875,000 | 1,619,995 |
Computer Technology Chart
| Computer Technology | Data Rate (per second) | Bits | Bytes | Kilobytes |
|---|---|---|---|---|
| ADB | 256 Kbps | 256,000 | 32,000 | 31.2 |
| USB | 12 Mbps | 12,000,000 | 1,500,000 | 1,464 |
| USB 2.0 | 480 Mbps | 480,000,000 | 60,000,000 | 58,593 |
| FireWire (IEEE 1394) | 400 Mbps | 400,000,000 | 50,000,000 | 48,828 |
| Ultra ATA/33 | 33 MB/sec | |||
| Ultra ATA/66 | 66 MB/sec | |||
| SCSI-1 | 5 MB/sec | |||
| SCSI-2 | 5-10 MB/sec | |||
| Fast SCSI-2 | 10-20 MB/sec | |||
| Wide SCSI-2 | 20 MB/sec | |||
| Fast Wide SCSI-2 | 20 MB/sec | |||
| Ultra SCSI-3 (8-bit) | 20 MB/sec | |||
| Ultra SCSI-3 (16-bit) | 40 MB/sec | |||
| Ultra-2 SCSI | 40 MB/sec | |||
| Wide Ultra-2 SCSI | 80 MB/sec | |||
| Ultra-3 SCSI | 160 MB/sec | |||
| Serial ATA (Gen 1) | 150 MB/sec | 1.2 Gbps | ||
| Serial ATA (Gen 2) | 300 MB/sec | 2.4 Gbps | ||
| Serial ATA (Gen 3) | 600 MB/sec | 4.8 Gbps |
Video Format Chart
| Video Formats | NTSC Resolution (525 Vertical Lines) |
|---|---|
| 8mm | 250 Horizontal Lines |
| VHS | 250 Horizontal Lines |
| VHS-C | 250 Horizontal Lines |
| Hi8 | 400 Horizontal Lines |
| S-VHS | 400 Horizontal Lines |
| DV | 500 Horizontal Lines |
| DVD | 500 Horizontal Lines |
Audio/Video Chart
| Audio/Video Technology | Data Rate (per second) | Bits | Bytes | Kilobytes |
|---|---|---|---|---|
| CD | 1.4112 Mbps | 1,411,200 | 176,400 | 172 |
| DVD | 10 Mbps | 10,000,000 | 1,250,000 | 1,220 |
| DV | 30.1 Mbps | 30,195,712 | 3,774,464 | 3,686 |
| DLP | 37-43 Mbps | 43,000,000 | 5,375,000 | 5,249 |
Data Comparison Chart
| Kilobits (Kbps) | Bits (bps) | Megabits (Mbps) | Bytes (Bps) | Kilobytes (KBps) | Megabytes (MBps) | Minutes On 650MB CD | Minutes On 4.7GB DVD |
|---|---|---|---|---|---|---|---|
| 28 | 28,000 | 0.028 | 3,500 | 3.41 | 0.00334 | 3,245 | 24,031 |
| 30 | 30,000 | 0.03 | 3,750 | 3.66 | 0.00358 | 3,029 | 22,429 |
| 56 | 56,000 | 0.056 | 7,000 | 6.83 | 0.00668 | 1,622 | 12,015 |
| 80 | 80,000 | 0.08 | 10,000 | 9.76 | 0.00954 | 1,135 | 8,410 |
| 100 | 100,000 | 0.1 | 12,500 | 12.20 | 0.01192 | 908 | 6,728 |
| 150 | 150,000 | 0.15 | 18,750 | 18.31 | 0.01788 | 605 | 4,485 |
| 200 | 200,000 | 0.2 | 25,000 | 24.41 | 0.02384 | 454 | 3,364 |
| 300 | 300,000 | 0.3 | 37,500 | 36.62 | 0.03576 | 302 | 2,242 |
| 500 | 500,000 | 0.5 | 62,500 | 61.03 | 0.05960 | 181 | 1,345 |
| 800 | 800,000 | 0.8 | 100,000 | 97.65 | 0.09537 | 113 | 841 |
| 900 | 900,000 | 0.9 | 112,500 | 109.86 | 0.10729 | 100 | 747 |
| 1,000 | 1,000,000 | 1 | 125,000 | 122.07 | 0.11921 | 90 | 672 |
| 2,000 | 2,000,000 | 2 | 250,000 | 244.14 | 0.23842 | 45 | 336 |
| 4,000 | 4,000,000 | 4 | 500,000 | 488.28 | 0.47684 | 22 | 168 |
| 5,000 | 5,000,000 | 5 | 625,000 | 610.35 | 0.59605 | 18 | 134 |
| 10,000 | 10,000,000 | 10 | 1,250,000 | 1,220.70 | 1.19209 | 9 | 67 |
| 15,000 | 15,000,000 | 15 | 1,875,000 | 1,831.05 | 1.78814 | 6 | 44 |
| 30,000 | 30,000,000 | 30 | 3,750,000 | 3,662.10 | 3.57628 | 3 | 22 |
