Structured formula builder
Task, table context, target range, and function hint keep the request specific.
Excel formula help
Write the Excel formula you're stuck on.
Describe what the formula should do, paste the one that is broken, or add the headers involved, and get one formula-sized answer with the checks visible before you use it.
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Formula request
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Purpose-built inputs
A focused workflow for everyday spreadsheet work.
Write / Explain / Fix modes
Generate a new formula, translate a pasted one, or diagnose common syntax issues.
Excel and Sheets toggle
Compatibility notes call out modern functions and platform-specific behavior.
Formula-bar output
The result is formatted for scanning and placed next to a copy button.
Common formulas
Pick the formula you came for.
Excel formula help
Get help writing, explaining, or fixing one Excel formula with range notes and checks before you paste.
AI Excel formula generator
Generate an Excel formula from plain English with range notes, an explanation, and checks before you paste.
AI Google Sheets formula generator
Turn a plain-English Sheets task into a formula with assumptions, range notes, and paste checks.
Formula Bot alternative
Use a focused formula workbench when you need a formula, explanation, or fix instead of a full spreadsheet-analysis suite.
SheetSolver AI alternative
Compare a narrow formula helper for writing, explaining, and fixing formulas against broader spreadsheet AI suites.
Percentage formulas
Build percent of total, percent change, discount, markup, tax, tip, and completion-rate formulas.
Excel formula cheat sheet
Scan common lookup, logic, text, date, and summary formulas with examples.
Formula not showing result
Diagnose formulas that show text, stay stale, return errors, or calculate the wrong value.
Fix my Excel formula
Paste a broken formula and get a corrected version with checks for errors, text cells, ranges, and fallbacks.
Excel formulas not working
Fix formulas that stop calculating after imports, copied ranges, locale settings, or text-number mismatches.
Excel #VALUE! error
Repair formulas blocked by text values, hidden spaces, wrong argument types, dates, or subtraction syntax.
Excel #NAME? error
Fix formulas with misspelled functions, undefined names, missing quotes, or unsupported functions.
Excel #DIV/0! error
Fix formulas blocked by zero or blank denominators, ratio logic, averages, and IFERROR tradeoffs.
Excel circular reference
Fix formulas that point back at their own result cell or need deliberate iterative-calculation checks.
Excel #REF! error
Repair formulas broken by deleted rows, moved cells, invalid references, or shifted lookup ranges.
Google Sheets formula parse error
Repair Sheets formulas with missing quotes, mismatched parentheses, wrong separators, or malformed QUERY syntax.
VLOOKUP #N/A error
Fix lookup formulas that return #N/A because of exact-match settings, text-number mismatches, or range setup.
IF formulas with multiple conditions
Write nested IF, AND, OR, and IFS logic with branch-order and edge-row checks before filling down.
Date formulas
Create due dates, workday counts, month-end dates, date differences, and overdue checks.
FILTER formulas
Return matching rows for status, region, date, text, and threshold conditions.
Text formulas
Split, extract, join, trim, clean, and replace text from messy imported cells.
Data validation formulas
Block bad IDs, duplicate values, missing fields, and invalid entries with custom TRUE/FALSE rules.
Excel data validation formula
Write custom validation rules for IDs, duplicates, required fields, dates, and allowed entries.
Google Sheets QUERY formulas
Build QUERY formulas for filtering, selecting, sorting, grouping, and labeling Sheets data.
Pivot calculated field formulas
Create margin, average price, variance, and ratio formulas that use pivot source field names.
Conditional formatting formulas
Write Excel and Google Sheets custom formulas for row highlights, duplicates, overdue dates, and status rules.
Sheets conditional formatting custom formulas
Set up Google Sheets custom formula rules with the right apply-to range, dollar signs, and TRUE/FALSE logic.
XLOOKUP formulas
Return matching values with separate lookup and return ranges.
INDEX MATCH formulas
Build flexible lookup formulas for left lookups, two-way lookups, and older Excel files.
SUMIFS formulas
Total rows that match status, date, category, customer, or region rules.
COUNTIFS formulas
Count rows across multiple text, number, and date conditions.
Use case
Excel formula help for spreadsheet work.
Help spreadsheet users who search broadly for Excel formula help move from a vague problem to a specific formula draft, explanation, or repair they can test on one known row.
What this page gives you
- A formula draft, explanation, or fix matched to the Excel problem you describe.
- A plain-English read of the function choice, references, assumptions, and fallback behavior.
- Checks for version support, range alignment, fill-down behavior, and known-row testing.
When to use it
Use this page when the problem is still broad: you need help with an Excel formula, but you may not know whether the answer is IF, SUMIFS, XLOOKUP, FILTER, text cleanup, dates, conditional formatting, or a repair to a formula you already have.
Do not use it as a workbook audit, dashboard workflow, file-upload analyzer, or substitute for testing. Write My Formula stays focused on one formula, one rule, or one repair that you can inspect before using.
Worked example
For tasks with due dates in B and status in C, an Excel helper formula can flag open overdue rows while leaving completed rows alone.
=IF(AND(B2<TODAY(),C2<>"Done"),"Overdue","OK")The formula checks whether the due date is before today and the status is not Done. Both conditions must be true before the row is marked Overdue.
Check before you paste
- Confirm every range matches your workbook before filling down.
- Test the output on one row where you already know the answer.
- Check whether your Excel version supports newer functions such as XLOOKUP, FILTER, TEXTSPLIT, or TEXTAFTER.
Upgrade when the work piles up
Keep going when the sheet gets complicated.
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Founding access
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