18.2 Tips on Rounding numbers using Excel Formulas

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School Cartoon #6408 by Andertoons

We can use a variety of formulas to round numbers in Excel depending on the situation. We have ROUND, ROUNDUP, ROUNDDOWN, MROUND, INT, TRUNC, CEILING, FLOOR, FIXED, EVEN, ODD and few more. To know how to use all these formulas and how to round numbers based on any criteria, just read on.

Rounding Formulas in Excel

Before learning the tips, first lets understand various rounding formulas & what they do. Look at this:

Formula What it does?
ROUND Rounds a number to specified decimal points (or multiples of 10)
ROUNDUP Rounds up a number
ROUNDDOWN Rounds down a number
MROUND Rounds to nearest multiple of specified number
INT Rounds down to nearest integer
TRUNC Gives you only integer portion
CEILING Rounds up a number to nearest multiple of 1,10,100…
FLOOR Rounds down a number to nearest multiple of 1,10,100…
EVEN Gives next even number
ODD Gives next odd number
FIXED Rounds and converts to text format (with commas if you want)

18 Rounding Formula Tips

1. Round to 2 decimal points

Example: 1.2649 to 1.26

=ROUND(A1,2) Rounds value in A1 by 2 decimal points

2. Round up to 2 decimal points

Example: 1.2649 to 1.27

=ROUNDUP(A1,2) Roundsup value in A1 by 2 decimal points (ie away from zero)

3. Round to nearest integer

Example: 1.2649 to 1

=ROUND(A1,0) By using 0, we can round the value to nearest integer

4. Round to nearest multiple of 10

Example: 544.234 to 540

=ROUND(A1,-1) By using negative numbers, we can round the value to nearest multiple of 10, 100…

5. Round up to nearest multiple of 10

Example: 544.234 to 550

=ROUNDUP(A1,-1)

6. Round to nearest thousand

Example: 312789123 to 312789000

=ROUND(A1,-3)

7. Round to nearest million with one decimal point

Example: 312789123 to 312.8

=ROUND(A1/1000000,1) First we divide the number by million (1,000,000) and then round this to 1 decimal point.

8. Round to nearest multiple of 2

Example: 43 to 44

=MROUND(A1,2) Just like round formula, but for any multiple. So MROUND(A1,2) takes value in A1 and rounds it to nearest multiple of 2

9. Round to nearest multiple of 5

Example: 93 to 95

=MROUND(A1,5)

10. Round down to hundred

Example: 301 to 300

=FLOOR(A1,100) To round down, we can use FLOOR formula.

11. Get only the integer portion of a number

Example: -23.34 to -23

=TRUNC(A1,0) To extract only the integer portion of number, use TRUNC formula. Note: INT formula gives same result for positive numbers.

12. Round a number to 2 decimals and convert to text

Example: 312789.26921 to 312,789.27

=FIXED(A1,2,FALSE) In one shot, round and convert the number to text. Useful when you want text output.

13. Get next even number

Example: 42.1 to 44

=EVEN(A1) Gets you next EVEN number (away from zero)

14. Get next odd number

Example: 44.93 to 45

=ODD(A1)

15. Round to nearest quarter ($0.25)

Example: 19.14 to 19.25

=MROUND(A1,0.25) MROUND can be used with fractions too.

16. Round to next 9 (ie 19,29,39 etc.)

Example: 23 to 29

=ROUNDUP(A1,-1)-1 To do this, we just roundup the number to next 10 and then subtract 1 from it.

17. Round up to next 1000

Example: 124567 to 125000

=CEILING(A1,1000) Just like FLOOR, but takes you to next value.

18. Get only decimal portion of a number

Example: 23.345 to 0.345

=A1-TRUNC(A1) To get only decimal portion, subtract TRUNC value from original

Download Rounding formula example workbook

Click here to download example workbook & understand these formulas better.

What about .2 tips?

Well, those are for you to fill down. Go ahead and write formulas for both these situations & you have the .2 tips!

18.1 Waiter friendly pricing

Lets say you run a hotel where customers usually tip 15% of bill amount. Now, to make it easy, you want to price your items such that when 15% is added, the total amount becomes a round number like $1.00, $2.00 etc.

For example: If a dish’s current price is $2.50, then 15% tip on it would be $0.37. This makes the total $2.87.
If you modify the price to $2.60, with tip the total would be $3.00.

Assuming current price of a dish is in A1, what formula will give you new price?

18.2 Rounding to nearest Monday

Lets say you have some dates in a list and you want them to round to nearest Monday. Assuming you have a date in A1, what formula gives nearest Monday?

Go ahead and figure them out. Post your answers using comments.

Click here to comment.

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11 Responses to “Who is the most consistent seller? [BYOD]”

  1. Hui... says:

    The Date column in the sample file is Text not Dates

  2. Great Chandoo. Keep it up, Looking forward more from BYOD..

  3. gayani says:

    Thanks

  4. Frank Tonsen says:

    With Excel 2013 the pivot table could be connected to the data model which provides a distinct count.

  5. Mak says:

    This will do for invoice count
    =COUNTIF(F:F,H12)
    Instead of
    =COUNTIFS(sales[SELLER],$H12)

  6. Alejandro says:

    Excellent document. How did you make the last graphic? Witch app. Thanks for answer.

  7. Chris says:

    Can someone tell me what =countif(sales[date],sales[date]) is counting? The value is 19. Its found in the =SUMPRODUCT(IF(sales[SELLER]=H12,1/COUNTIFS(sales[SELLER],H12,sales[date],sales[date]),0))

    • Vândalo says:

      Hi Chris,

      =countif(sales [date],sales[date]) function is counting the unique dates in the table.

      Vândalo

  8. Nguyen says:

    Excellent document!

    Can you explain more about the calculation on Weighted consistency? More specific the small number is 0,00001 ?

    How come the number should be smaller if there is more sellers?

  9. TS says:

    Hi,

    Not understood this formula: {=SUMPRODUCT(IF(sales[SELLER]=H12,1/COUNTIFS(sales[SELLER],H12,sales[date],sales[date]),0))}

    Please explain.

    Thanks.

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