Rounding Up to a Value Ending in 9

by Allen Wyatt
(last updated June 23, 2018)

1

Bob performs calculations and wants to round the results up to the next value that ends in 9. In other words, to set a target retail price he wants to calculate the various costs and then round the answers up so that they end in 9. Thus, $1.42 rounds to $1.49, $1.49 has no change, $9.01 rounds to $9.09, etc.

There are actually quite a few formulas you can use to adjust your prices as you desire. Excel provides a good number of different rounding functions that can be tried. You might think that you could use a simple ROUNDUP function to do the work, as shown in the following:

=ROUNDUP(A1,1)-0.01

This won't work properly, however, if the value in A1 ends with a zero (1.00, 1.10, 1.20, etc.). In that case the formula simply subtracts 0.01 from the original value, converting 1.00 to 0.99, for instance.

The solution is to add 0.01 to the value in A1 before you do the rounding, in this manner:

=ROUNDUP(A1+0.01,1)-0.01

You can also use the CEILING function in almost the exact same manner as you did the ROUNDUP function:

=CEILING(A1+0.01,0.1)-0.01

A different (and shorter) approach, though, is to use the ROUNDDOWN function to do the rounding, in this manner:

=ROUNDDOWN(A1,1)+0.09

You could also use the straight ROUND function in this manner:

=ROUND(A1+0.05,1)-0.01

Shorter still is a solution that doesn't rely on any of the built-in rounding functions:

=(INT(A1*10)+0.9)/10

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (12825) applies to Microsoft Excel 2007, 2010, and 2013.

Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He  is president of Sharon Parq Associates, a computer and publishing services company. ...

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What is 6 - 3?

2018-06-23 14:19:02

Erik

This also works:
=TRUNC(A1*10)/10+0.09


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