Rounding a number to the nearest 5 or 10 or X

Question

Given numbers like 499  73433  2348 what VBA can I use to round to the nearest 5 or 10  or an arbitrary number   By 5    499 - gt   500 2348 - gt  2350 7343 - gt  7345   By 10    499 - gt   500 2348 - gt  2350 7343 - gt  7340   etc

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something like that    nearest  n   5   n   10    value  v   496   v   499    v   2348    v   7343    mod  m    v   n    n    diff between mod and the val  i   v-m    if i  gt    n 2  then            msgbox m n  else       msgbox m  end if

User · Answer

I slightly updated the function provided by the  community wiki   the best answer   just to round to the nearest 5  or anything you like   with this exception   the rounded number will NEVER be superior to the original number   This is useful in cases when it is needed to say that  a company is alive for 47 years    I want the web page to display  is alive for more than 45 years   while avoiding lying in stating  is alive for more than 50 years    So when you feed this function with 47  it will not return 50  but will return 45 instead    Rounds a number to the nearest unit  never exceeding the actual value function RoundToNearestOrBelow num  r         param         num         Long Integer Double     The number to be rounded       param         r           Long                    The rounding value       return        OUT         Long                    The rounded value       Example usage           Round 47 to the nearest 5   it will return 45         Response Write RoundToNearestBelow 47  5       Dim OUT   OUT   num      Dim rounded   rounded   Round    num     r   0    r      if  rounded   lt  num  then         OUT   rounded     else         OUT   rounded - r     end if       Return     RoundToNearestOrBelow   OUT  end function  RoundToNearestOrBelow

User · Answer

something like that    nearest  n   5   n   10    value  v   496   v   499    v   2348    v   7343    mod  m    v   n    n    diff between mod and the val  i   v-m    if i  gt    n 2  then            msgbox m n  else       msgbox m  end if

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To round to the nearest X  without being VBA specific   N   X   int N   X   0 5   Where int      returns the next lowest whole number   If your available rounding function already rounds to the nearest whole number then omit the addition of 0 5

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It s simple math  Given a number X and a rounding factor N  the formula would be   round X   N  N

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I cannot add comment so I will use this  in a vbs run that and have fun figuring out why the 2 give a result of 2  you can t trust round   msgbox round 1 5   result to 2  msgbox round 2 5   yes  result to 2 too

User · Answer

For a strict Visual Basic approach  you can convert the floating-point value to an integer to round to said integer   VB is one of the rare languages that rounds on type conversion  most others simply truncate     Multiples of 5 or x can be done simply by dividing before and multiplying after the round   If you want to round and keep decimal places  Math round n  d  would work

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I cannot add comment so I will use this  in a vbs run that and have fun figuring out why the 2 give a result of 2  you can t trust round   msgbox round 1 5   result to 2  msgbox round 2 5   yes  result to 2 too

User · Answer

In VB  math round has additional arguments to specify number of decimal places and rounding method   Math Round 10 665  2  MidpointRounding AwayFromZero  will return 10 67    If the number is a decimal or single data type  math round returns a decimal data type   If it is double  it returns double data type  That might be important if option strict is on     The result of  10 665  ToString  n2   rounds away from zero to give  10 67    without additional arguments math round returns 10 66  which could lead to unwanted discrepancies

User · Answer

To round to the nearest X  without being VBA specific   N   X   int N   X   0 5   Where int      returns the next lowest whole number   If your available rounding function already rounds to the nearest whole number then omit the addition of 0 5

User · Answer

In VB  math round has additional arguments to specify number of decimal places and rounding method   Math Round 10 665  2  MidpointRounding AwayFromZero  will return 10 67    If the number is a decimal or single data type  math round returns a decimal data type   If it is double  it returns double data type  That might be important if option strict is on     The result of  10 665  ToString  n2   rounds away from zero to give  10 67    without additional arguments math round returns 10 66  which could lead to unwanted discrepancies

User · Answer

To round to the nearest X  without being VBA specific   N   X   int N   X   0 5   Where int      returns the next lowest whole number   If your available rounding function already rounds to the nearest whole number then omit the addition of 0 5

User · Answer

It s simple math  Given a number X and a rounding factor N  the formula would be   round X   N  N

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Integrated Answer  X   1234  number to round N   5     rounding factor round X N  N    result is 1235   For floating point to integer  1234 564 to 1235   this is VB specific  most other languages simply truncate  do   int 1234 564     result is 1235   Beware  VB uses Bankers Rounding  to the nearest even number  which can be surprising if you re not aware of it   msgbox round 1 5   result to 2 msgbox round 2 5   yes  result to 2 too   Thank you everyone

User · Answer

To round to the nearest X  without being VBA specific   N   X   int N   X   0 5   Where int      returns the next lowest whole number   If your available rounding function already rounds to the nearest whole number then omit the addition of 0 5

User · Answer

It s simple math  Given a number X and a rounding factor N  the formula would be   round X   N  N

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Example  Round 499 to nearest 5  You would use the ROUND   FUNCTION   a   inputbox  number to be rounded    b   inputbox  Round to nearest                strc   Round A B    strd   strc B    msgbox  a  amp      Rounded to the nearest    amp  b  amp     is   amp  vbnewline  amp  strd

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Simply ROUND x 5  5 should do the job

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To mimic in Visual Basic the way the round function works in Excel  you just have to use   WorksheetFunction Round number  decimals   This way the banking or accounting rounding don t do the rounding

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something like that    nearest  n   5   n   10    value  v   496   v   499    v   2348    v   7343    mod  m    v   n    n    diff between mod and the val  i   v-m    if i  gt    n 2  then            msgbox m n  else       msgbox m  end if

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Here is our solution   Public Enum RoundingDirection     Nearest     Up     Down End Enum  Public Shared Function GetRoundedNumber ByVal number As Decimal  ByVal multiplier As Decimal  ByVal direction As RoundingDirection  As Decimal     Dim nearestValue As Decimal    CInt number   multiplier    multiplier      Select Case direction         Case RoundingDirection Nearest             Return nearestValue         Case RoundingDirection Up             If nearestValue  gt   number Then                 Return nearestValue             Else                 Return nearestValue   multiplier             End If         Case RoundingDirection Down             If nearestValue  lt   number Then                 Return nearestValue             Else                 Return nearestValue - multiplier             End If     End Select End Function   Usage   dim decTotal as Decimal   GetRoundedNumber CDec 499   CDec 0 05   RoundingDirection Up

User · Answer

For a strict Visual Basic approach  you can convert the floating-point value to an integer to round to said integer   VB is one of the rare languages that rounds on type conversion  most others simply truncate     Multiples of 5 or x can be done simply by dividing before and multiplying after the round   If you want to round and keep decimal places  Math round n  d  would work

User · Answer

Example  Round 499 to nearest 5  You would use the ROUND   FUNCTION   a   inputbox  number to be rounded    b   inputbox  Round to nearest                strc   Round A B    strd   strc B    msgbox  a  amp      Rounded to the nearest    amp  b  amp     is   amp  vbnewline  amp  strd

User · Answer

It s simple math  Given a number X and a rounding factor N  the formula would be   round X   N  N

User · Answer

Integrated Answer  X   1234  number to round N   5     rounding factor round X N  N    result is 1235   For floating point to integer  1234 564 to 1235   this is VB specific  most other languages simply truncate  do   int 1234 564     result is 1235   Beware  VB uses Bankers Rounding  to the nearest even number  which can be surprising if you re not aware of it   msgbox round 1 5   result to 2 msgbox round 2 5   yes  result to 2 too   Thank you everyone

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Try this function  --------------start----------------  Function Round Up ByVal d As Double  As Integer     Dim result As Integer     result   Math Round d      If result  gt   d Then         Round Up   result     Else         Round Up   result   1     End If End Function   -------------end ------------

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Here is our solution   Public Enum RoundingDirection     Nearest     Up     Down End Enum  Public Shared Function GetRoundedNumber ByVal number As Decimal  ByVal multiplier As Decimal  ByVal direction As RoundingDirection  As Decimal     Dim nearestValue As Decimal    CInt number   multiplier    multiplier      Select Case direction         Case RoundingDirection Nearest             Return nearestValue         Case RoundingDirection Up             If nearestValue  gt   number Then                 Return nearestValue             Else                 Return nearestValue   multiplier             End If         Case RoundingDirection Down             If nearestValue  lt   number Then                 Return nearestValue             Else                 Return nearestValue - multiplier             End If     End Select End Function   Usage   dim decTotal as Decimal   GetRoundedNumber CDec 499   CDec 0 05   RoundingDirection Up

User · Answer

I cannot add comment so I will use this  in a vbs run that and have fun figuring out why the 2 give a result of 2  you can t trust round   msgbox round 1 5   result to 2  msgbox round 2 5   yes  result to 2 too

User · Answer

something like that    nearest  n   5   n   10    value  v   496   v   499    v   2348    v   7343    mod  m    v   n    n    diff between mod and the val  i   v-m    if i  gt    n 2  then            msgbox m n  else       msgbox m  end if

User · Answer

I cannot add comment so I will use this  in a vbs run that and have fun figuring out why the 2 give a result of 2  you can t trust round   msgbox round 1 5   result to 2  msgbox round 2 5   yes  result to 2 too

User · Answer

To mimic in Visual Basic the way the round function works in Excel  you just have to use   WorksheetFunction Round number  decimals   This way the banking or accounting rounding don t do the rounding

User · Answer

Simply ROUND x 5  5 should do the job

User · Answer

For a strict Visual Basic approach  you can convert the floating-point value to an integer to round to said integer   VB is one of the rare languages that rounds on type conversion  most others simply truncate     Multiples of 5 or x can be done simply by dividing before and multiplying after the round   If you want to round and keep decimal places  Math round n  d  would work

User · Answer

For a strict Visual Basic approach  you can convert the floating-point value to an integer to round to said integer   VB is one of the rare languages that rounds on type conversion  most others simply truncate     Multiples of 5 or x can be done simply by dividing before and multiplying after the round   If you want to round and keep decimal places  Math round n  d  would work

User · Answer

Try this function  --------------start----------------  Function Round Up ByVal d As Double  As Integer     Dim result As Integer     result   Math Round d      If result  gt   d Then         Round Up   result     Else         Round Up   result   1     End If End Function   -------------end ------------

User · Answer

Simply ROUND x 5  5 should do the job

User · Answer

I slightly updated the function provided by the  community wiki   the best answer   just to round to the nearest 5  or anything you like   with this exception   the rounded number will NEVER be superior to the original number   This is useful in cases when it is needed to say that  a company is alive for 47 years    I want the web page to display  is alive for more than 45 years   while avoiding lying in stating  is alive for more than 50 years    So when you feed this function with 47  it will not return 50  but will return 45 instead    Rounds a number to the nearest unit  never exceeding the actual value function RoundToNearestOrBelow num  r         param         num         Long Integer Double     The number to be rounded       param         r           Long                    The rounding value       return        OUT         Long                    The rounded value       Example usage           Round 47 to the nearest 5   it will return 45         Response Write RoundToNearestBelow 47  5       Dim OUT   OUT   num      Dim rounded   rounded   Round    num     r   0    r      if  rounded   lt  num  then         OUT   rounded     else         OUT   rounded - r     end if       Return     RoundToNearestOrBelow   OUT  end function  RoundToNearestOrBelow

User · Answer

Simply ROUND x 5  5 should do the job

[vba] Rounding a number to the nearest 5 or 10 or X

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