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Do you often wonder how long it's going to take to download that new browser update? Sometimes it's hard to tell. Will you be waiting for ten minutes or sixty? Before you start planning your time around a download, take a quick look at this page.
Below is a handy reference table. Find your Internet connection speed along the left-hand side, and the approximate file size along the top. The connection speeds are referred to in bps (bits per second), Kbps (kilobits per second), and Mbps (megabits per second), where applicable.
Don't confuse these bit per second rates with bytes per second. For example, a connection speed of 28.8 Kbps would actually download at a rate of 3.5 kilobytes per second in theory, not 28.8 kilobytes per second.
Also realize that the times shown in this table are only the theoretical download times. There are many other factors that can affect your rate of download. Keeping this in mind, you may want to use a little discretion when determining a download time.
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Connection
speed
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File size
|
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100K
|
500K
|
1 MB
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1.5 MB
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2 MB
|
5 MB
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9600
bps
9.6 Kbps
|
1 min.
25 sec.
|
7 min.
7 sec.
|
14 min.
13 sec.
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21 min.
20 sec.
|
28 min.
27 sec.
|
71 min.
7 sec.
|
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14400
bps
14.4 Kbps
|
57 sec.
|
4 min.
44 sec.
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9 min.
29 sec.
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14 min.
13 sec.
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18 min.
58 sec.
|
47 min.
24 sec.
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28800
bps
28.8 Kbps
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28 sec.
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2 min.
22 sec.
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4 min.
44 sec.
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7 min.
7 sec.
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9 min.
29 sec.
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23 min.
42 sec.
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33600
bps
33.6 Kbps
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24 sec.
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2 min.
2 sec.
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4 min.
4 sec.
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6 min.
6 sec.
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8 min.
8 sec.
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20 min.
19 sec.
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56000
bps
56 Kbps
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15 sec.
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1 min.
13 sec.
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2 min.
27 sec.
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3 min.
39 sec.
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4 min.
53 sec.
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12 min.
11 sec.
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128
Kbps
(ISDN)
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6 sec.
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32 sec.
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1 min.
4 sec.
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1 min.
36 sec.
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2 min.
8 sec.
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5 min.
20 sec.
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1.5
Mbps
(T1)
|
<1 sec.
|
3 sec.
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5 sec.
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8 sec.
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11 sec.
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27 sec.
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45
Mbps
(T3)
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<1 sec.
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<1 sec.
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<1 sec.
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<1 sec.
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<1 sec.
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1 sec.
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The times presented in this table are faster than they would be in real-world situations. The reason for this is simple: there are always delays between your modem and the targeted server. Even if you have a 28.8 modem, you'll likely receive slower performance. In some cases, you may only be getting 14.4 performance.
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