Sum visible (or filtered) range in an Excel Spreadsheet

This will do what you want. Set visibleTotal to the appropriate data type for the total, and change the ws and rng objects to match what you have in your workbook.

Sub SumVisible()
    Dim ws As Worksheet
    Dim rng As Range
    Dim visibleTotal As Long

    Set ws = ThisWorkbook.Sheets("Sheet1")
    Set rng = ws.Range("B1:B7")

    ws.AutoFilterMode = False
    rng.AutoFilter field:=1, Criteria1:=5

    visibleTotal = Application.WorksheetFunction.Sum(rng.SpecialCells(xlCellTypeVisible))
    ' print to the immediate window
    Debug.Print visibleTotal
End Sub

In case you only want to sum part of the filtered range (e.g. you filter on column A but want the sum of column B), see this question and answer: Copy/Paste/Calculate Visible Cells from One Column of a Filtered Table.

If one need to COUNT the number of visible items in a filtered list, then use the SUBTOTAL function, which automatically ignores rows that are hidden by a filter.

The SUBTOTAL function can perform calculations like COUNT, SUM, MAX, MIN, AVERAGE, PRODUCT and many more (See the table below). It automatically ignores items that are not visible in a filtered list or table. This makes it ideal for showing how many items are visible in a list, the subtotal of visible rows, etc. It also provide control rows hided manually manually.

The solution to your question would be to count the number of non-blank rows visible in Column A and Column B when a filter is active, use:

AtmCurrentSum = Application.WorksheetFunction.Subtotal(109, Range("$X$3:$X$4533"))

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Points to remember when you apply SUBTOTAL formula:

• When function_num (First argument) is between 1-11, SUBTOTAL includes values that are hidden manually but ignore hidden by filter.
• When function_num is between 101-111, SUBTOTAL excludes all kind of hidden values.
• In filtered lists, SUBTOTAL always ignores values in hidden rows, regardless of function_num.
• SUBTOTAL ignores other subtotals that exist in references are ignored to prevent double-counting
• SUBTOTAL only work with vertical data values arranged vertically.
• In Horizontal Hidden Columns, values are always included and never ignored.