Spreadsheet Practice

How to count orders by day of the week in Excel

Formula (Excel and Google Sheets)

=SUMPRODUCT(--(TEXT($B$2:$B$11,"ddd")=D2))

Compare the day name of every date with SUMPRODUCT: =SUMPRODUCT(--(TEXT($B$2:$B$11,"ddd")=D2)).

Result on the example
one result per row in E2, filled down to E8
Works in
Every current version
Google Sheets
Same formula

See it work

The formula is already in E2, filled down to E8. Change any input and the result updates, or edit the formula to experiment.

How it works

TEXT(…,"ddd") turns every order date into a three-letter day name at once. Comparing with D2 gives TRUE or FALSE for each date, the double minus turns those into 1s and 0s, and SUMPRODUCT adds them up.

=SUMPRODUCT(--(TEXT($B$2:$B$11,"ddd")=D2))

Result3

  1. $B$2:$B$1110 rows × 1 col: 3/2/2026, 3/3/2026, 3/6/2026, 3/7/2026, …

    A range: 10 cells in one column.

  2. TEXT($B$2:$B$11,"ddd"){10 rows × 1 col} "Mon", "Tue", "Fri", "Sat", …

    TEXT: Formats a number or date as text, e.g. "mmm" or "$#,##0".

    • value$B$2:$B$1110 rows × 1 col: 3/2/2026, 3/3/2026, 3/6/2026, 3/7/2026, …
    • format_text"ddd"
  3. D2"Mon"

    The value in D2.

  4. TEXT($B$2:$B$11,"ddd")=D2{10 rows × 1 col} TRUE, FALSE, FALSE, FALSE, …

    The = operator tests whether the two sides are equal.

  5. -(TEXT($B$2:$B$11,"ddd")=D2{10 rows × 1 col} -1, 0, 0, 0, …

    Makes the value negative.

  6. --(TEXT($B$2:$B$11,"ddd")=D2{10 rows × 1 col} 1, 0, 0, 0, …

    Makes the value negative.

  7. SUMPRODUCT(--(TEXT($B$2:$B$11,"ddd")=D2))3

    SUMPRODUCT: Multiplies arrays row by row and adds the results.

    • array1--(TEXT($B$2:$B$11,"ddd")=D2{10 rows × 1 col} 1, 0, 0, 0, …

In Google Sheets

The same formula works in Google Sheets: =SUMPRODUCT(--(TEXT($B$2:$B$11,"ddd")=D2)). We ran it in Google Sheets mode on the same data and it returns the same results.

Other ways to do it

Each one was run on the same example sheet.

FormulaResultWhen to use it
=SUM(--(TEXT($B$2:$B$11,"ddd")=D2))Excel only3, 1, 0…Excel 365 evaluates the array without SUMPRODUCT.

Common mistakes

  • COUNTIF can't test the weekday of a date, because its criteria apply to the cell values themselves, not to a calculation on them. That is why SUMPRODUCT is needed.
  • Day names depend on the spreadsheet's language. For a language-independent count, compare WEEKDAY numbers: WEEKDAY($B$2:$B$11,2)=1 for Monday.

Try it yourself

Same data, empty answer cell. Your formula is graded instantly, then re-checked on changed data, so a typed-in number won't pass.

Count orders by day of the week

In E2, count the orders placed on the day of the week in D2, and fill down to E8.

Questions

How do I sum sales by weekday?

Multiply by the amounts: =SUMPRODUCT((TEXT($B$2:$B$11,"ddd")=D2)*$C$2:$C$11).

How do I find the busiest day?

=INDEX(D2:D8,MATCH(MAX(E2:E8),E2:E8,0)).

Checked by running on 2026-10-30: every formula and result on this page was calculated by the Spreadsheet Practice formula engine, in both Excel and Google Sheets modes.