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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

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Unit

Amount




Equivalents in other units


How much is 50 gigabytes?

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It's about as much as a Blu-ray Disc.
It's about as much as Wikipedia.
In other words, the amount of Wikipedia is 1.1 times 50 gigabytes.
(2009 figures) (all languages)
It's about three-tenths as much as an iPod.
In other words, 50 gigabytes is 0.312 times the amount of an iPod, and the amount of an iPod is 3.21 times that amount.
(a.k.a. Apple iPod) (2010 figures; for iPod classic, sixth generation)
It's about eleven times as much as a DVD.
In other words, the amount of a DVD is 0.091 times 50 gigabytes.
(a.k.a. digital video disc) (single-side, single-layer; DVD-5 specification)
A typical capacity digital video disc will hold 4.7 gigabytes (gB) of data. Such disks are 1.2 mm (0.047 in) thick.
It's about twelve times as much as an HDTV Television Show (30 Minutes).
In other words, 50 gigabytes is 11.9 times the amount of an HDTV Television Show (30 Minutes), and the amount of an HDTV Television Show (30 Minutes) is 0.084 times that amount.
(a.k.a. High Definition television, a.k.a. HD) (digital signal, QAM-256; 30 minutes)
It's about 70 times as much as a Compact Disc.
In other words, 50 gigabytes is 69.44 times the amount of a Compact Disc, and the amount of a Compact Disc is 0.0144 times that amount.
(80-minute, 360,000 sector disc; "Red Book" specifications)
It's about one-eighty-fifth as much as Watson.
In other words, the amount of Watson is 83 times 50 gigabytes.
(data store only)
Watson, the IBM supercomputer famous for competing against humans on the televised trivia game show Jeopardy!, utilizes 4,100 gigabytes of variously-structured data to formulate answers. While "thinking", Watson processes about 500 gigabytes of data per second.