Question

Convert number to formatted string

Asked by: tbochaton

This is a easy one (Can't for the life of me figure it out)

I want to convert a number to a string by rounding to one decimal place and and then appending a '%' to it, so for example 17.54732 => 17.55%

I had something like this : select convert(varchar,round(((12.13 - 10) / 12.13 ) * 100,1)) + '%'

but it returns: 17.6000000%

It should return 17.6%

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Asked On
2005-01-05 at 11:45:00ID21263032
Tags

convert

,

string

,

number

Topic

MS SQL Server

Participating Experts
3
Points
50
Comments
5

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Answers

 

by: LowfatspreadPosted on 2005-01-05 at 11:55:10ID: 12965723

round just rounds off to the specified numer of places ...
it doesn't go on to "truncate" the actual result....

so  

convert(varchar(11),convert(decimal(9,1),round(((12.13 - 10) / 12.13 ) * 100,1))) + '%'

 

by: ScottPletcherPosted on 2005-01-05 at 12:38:31ID: 12966120

STR() is very useful for that, like so:


SELECT STR(ROUND(((12.13 - 10) / 12.13 ) * 100,2), 10, 2) + '%'


Since you want to round to 2 decimal places, you need to use ,2 rather than ,1 in the ROUND() function :-).

 

by: ScottPletcherPosted on 2005-01-05 at 12:39:54ID: 12966134

D'OH, in fact, if you use STR(), you can omit ROUND, since STR() will round automatically:


SELECT STR(((12.13 - 10) / 12.13 ) * 100, 10, 2) + '%'

 

by: ScottPletcherPosted on 2005-01-05 at 12:42:11ID: 12966150

The "really nice" thing about STR() is that the results will be right-aligned, like so ...:

 24.75%
   5.62%
100.00%

rather than:

24.75%
5.62%
100.00%

... assuming that you want that alignment :-)

 

by: kbrcPosted on 2005-02-14 at 04:35:06ID: 13303470

Hi,

Do it as below :-
--------------------------------------------------------------------------------------------
declare
@num      float

set @num = 222.3375
set @num = round(@num, 2)

print substring(convert(varchar, @num), 1, charindex('.',@num) + 2)
-------------------------------------------------------------------------------------------

Regards,
KB

20120131-EE-VQP-002

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