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Bluebulb Projects presents:
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Step 1: What kind of measurement do you want to compare?
Length Icon (Ruler)
Length
Weight (Mass) Icon (Scale)
Weight
Speed Icon (Running Man)
Speed
Time Icon (Clock)
Time
Area Icon (Floorplan)
Area
Volume Icon (Beaker)
Volume
Computer Data Icon (Laptop)
Data

Click an icon above to choose a measurement type for comparison. This space will display an explanation as you move your mouse over the icons.
Unit

Amount




Equivalents in other units


How much is 490 bits?

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It's about three-fifths as much as a Magnetic Stripe Card.
In other words, the amount of a Magnetic Stripe Card is 2 times 490 bits.
(maximum capacity; per ISO 7811 specification)
It's about one-fortieth as much as a Page of Text.
In other words, the amount of a Page of Text is 40 times 490 bits.
(50 lines, 50 characters per line, ASCII encoding)
A 50-character-per-line, 50-line page of Latin alphabet text requires 20,000 bits when digitally represented. The Google Books project, which has produced hundreds of millions of pages of digital text, used a robotic device to digitize over eight million titles at a rate of about 1,000 pages per second.
It's about one-twenty-five-thousandth as much as a Floppy Disk (3½-in).
In other words, 490 bits is 0.0000415378 times the amount of a Floppy Disk (3½-in), and the amount of a Floppy Disk (3½-in) is 24,074.5 times that amount.
(high density, IBM PC format)
It's about one-twenty-five-thousandth as much as a Digital Photo.
In other words, the amount of a Digital Photo is 26,000 times 490 bits.
(5.3 megapixels, JPEG compression, 100% quality, 24 bits/pixel)
It's about one-fifty-thousandth as much as a MP3 Song.
In other words, the amount of a MP3 Song is 50,000 times 490 bits.
(a.k.a. MPEG-1 Audio Layer 3, a.k.a. MPEG-2 Audio Layer 3) (128 Kbps, "near-CD-quality"; 3 minutes duration; average)
It's about one-ninety-thousandth as much as The Complete Works of William Shakespeare.
In other words, the amount of The Complete Works of William Shakespeare is 91,000 times 490 bits.
(ASCII, plain text)
It's about 0.00000008 times as much as a Compact Disc.
In other words, 490 bits is 0.00000007922 times the amount of a Compact Disc, and the amount of a Compact Disc is 12,620,000 times that amount.
(80-minute, 360,000 sector disc; "Red Book" specifications)