How many KB's in a MB?

[Guest mattscholey]

Very basic question I know, but how many KB's are there in a MB? I want to know this because Pocket Internet Explorer gives page sizes in KB's, and Orange give GPRS prices in MB's, so I want to find out how much page downloads are costing me.

Little bit of maths for you. One web page I looked at today was 59.8KB. At £3/MB how much did that page download cost me? It would be very useful to know.

Many thanks,

Matt

[Guest awarner [MVP]]

8bits in a byte

1024 bytes in a KB

1048576 bytes or 1024 KB in a MB

[Guest martin]

I think its...

8 bits=1 byte

1024 bytes=1 kilobyte

1024 Kilobytes = 1 Megabyte

£3/1024 Kb = £0.00292296875 per Kilobyte

So roughly £0.003 Kilobyte

59.8 Kb * £0.003= £0.1794 (18p)

Oh and half a byte is a nybble :wink:

[Guest Monolithix [MVP]]

Depends, the megabyte is classed in 2 ways:

1024^2 = 1048576 bytes

or 1000000 bytes.

I can't remember exact circumstances in which each apply, depends on if you are american/british, talking about memory/hdd's etc...

As for your page cost, lets assume Orange call 1MB 1000000Bytes. The page you downloaded was 59800Bytes. So, 1000000/59800 ~ 16.72. Therefore, £3/16.72 ~ 18p (£0.1794).

:)

[edit] too slow! ;) [/edit]

[Guest cpt_andy]

In general storage devices (Hdds, flash memory) class 1Mb as 1 000 000 bytes (makes them seem bigger than they really are), whereas most other contexts (file sizes etc.) tend to use 1 048 576 bytes. I'm not sure which Orange use.

Cpt. Andy

[Guest morpheus2702]

A train leaves Edinburgh at 1pm travelling south at 45mph. Geoff has two packets of flour and half a bag of sugar. The wind speed is 5mph in the direction NNW. How many bytes in a megabyte? - show all your working (5 marks).

[Guest]

A train leaves Edinburgh at 1pm travelling south at 45mph.  Geoff has two packets of flour and half a bag of sugar.  The wind speed is 5mph in the direction NNW.  How many bytes in a megabyte? - show all your working (5 marks).

:)

And how long is the piece of string?

[Guest siu99spj]

Its all changed to make sense of th 1000/1024 debacle.

Officially (And I know, someone has to go and prove their a geek!), 1000 bytes, kilobytes, megabytes, whatever is 1 whatever the next step up is. That basically means:

1000 bytes = 1 kilobyte (kB)

1000 kilobytes = 1 megabyte (MB)

1000 megabytes = 1 gigabyte (GB)

and so on...

Now, for the multiples of 1024:

1024 bytes = 1 kebibyte (kiB)

1024 kebibytes = 1 mebibyte (MiB)

1024 mebibytes = 1 gibibyte (GiB)

and so on...

So, thats what the SI did anyway to make life simpler. Only problem is, no-one paid attention, stuck to kilo, mega and giga bytes and the whole thing is barely regarded nowadays.

But thats what we should use. Just so you know, Windows XP uses the 1024x byte, Windows 95 uses the 1000x byte.