computer data measurements

Computer Data Measurements

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Computer Data Measurement Chart

Data Measurement Chart

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) Data Rate (per second) Data

Rate (per second) Data Rate (per second)

28.8K Modem 28.8 Kbps 28,800 Bits 3,600 Bytes 3.5 Kilobytes

36.6K Modem 36.6 Kbps 36,600 Bits 4,575 Bytes 4.4 Kilobytes

56K Modem 56 Kbps 56,000 Bits 7,000 Bytes 6.8 Kilobytes

ISDN 128 Kbps 128,000 Bits 16,000 Bytes 15 Kilobytes

T1 1.544 Mbps 1,544,000 Bits 193,000 Bytes 188 Kilobytes

DSL 512 Kbps to 8 Mbps 8,000,000 Bits 1,000,000 Bytes 976 Kilobytes

Cable Modem 512 Kbps to 52 Mbps 53,000,000 Bits 6,625,000 Bytes 6,469

Kilobytes (6.3MB/sec)

T3 44.736 Mbps 44,736,000 Bits 5,592,000 Bytes 5,460 Kilobytes

(5.3MB/sec)

Gigabit Ethernet 1 Gbps 1,000,000,000 Bits 125,000,000 Bytes 122,070

Kilobytes (119MB/sec)

OC-256 13.271 Gbps 13,271,000,000 Bits 1,658,875,000 Bytes 1,619,995

Kilobytes (1.5GB/sec)

Computer Technology Chart

Computer Technology Data Rate (per second) Data Rate (per second) Data

Rate (per second) Data Rate (per second)

ADB 256 Kbps 256,000 Bits 32,000 Bytes 31.2 Kilobytes

USB 12 Mbps 12,000,000 Bits 1,500,000 Bytes 1,464 Kilobytes

(1.42MB/sec)

USB 2.0 480 Mbps 480,000,000 Bits 60,000,000 Bytes 58,593 Kilobytes

(57.2MB/sec)

FireWire (a.k.a. "IEEE 1394" or "i.Link") 400 Mbps 400,000,000 Bits

50,000,000 Bytes 48,828 Kilobytes (47.6MB/sec)

Ultra ATA/33 (a.k.a. Ultra DMA/33) 33 MB/sec

Ultra ATA/66 (a.k.a. Ultra DMD/66 or Fast ATA-2) 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) Data Rate (per second)

Data Rate (per second) Data Rate (per second)

CD 1.4112 Mbps 1,411,200 Bits 176,400 Bytes 172 Kilobytes

DVD 10 Mbps 10,000,000 Bits 1,250,000 Bytes 1,220 Kilobytes

(1.1MB/sec)

DV 30.1 Mbps 30,195,712 Bits 3,774,464 Bytes 3,686 Kilobytes

(3.6MB/sec)

DLP 37 Mbps to 43 Mbps 43,000,000 Bits 5,375,000 Bytes 5,249 Kilobytes

(5.2MB/sec)

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