VBA & Macro Problems

How to Run Excel VBA Goal Seek in a Loop and Control Iterations

Bushra Parveen Oct 1, 2026 869 views

Question details

The user needs to automate the Goal Seek function across multiple rows using a loop in Excel VBA, while properly controlling the iteration limits.

How to Run Excel VBA Goal Seek in a Loop and Control Iterations

Product: Microsoft Excel
Device & OS: not provided
Scenario: Automating financial calculations, such as finding the required investment for target margins across multiple dataset rows, without exceeding iteration limits or application constraints.
Observed behavior: The user needs a stable way to apply Goal Seek dynamically to applicable row references without causing infinite loops or relying solely on the iterative calculation toggle.

Before you start

Ensure that the Developer tab is enabled in your Excel ribbon and that your workbook is saved in a Macro-Enabled format (.xlsm) to allow VBA code execution.

Solution 1Recommended

Use a VBA Subroutine with a For Loop

Create a VBA Subroutine containing a For Loop to evaluate each row and run Goal Seek dynamically based on cell conditions.

A Subroutine is the correct approach because worksheet functions are not designed to change the Excel application state or modify other cells. By wrapping the Goal Seek method in a loop, you can process multiple rows efficiently.

Depending on the complexity of your data, consider if an algebraic formula or a custom iterative VBA mathematical procedure could replace Goal Seek for faster processing.

Open the VBA Editor

Press Alt + F11 on your keyboard to open the Visual Basic for Applications (VBA) editor.

Insert a New Module

Click on 'Insert' in the top menu and select 'Module' to create a blank script window.

Write the Loop Structure

Define a Subroutine and create a For...Next loop. For example: 'For i = 2 To 100' to iterate from row 2 to 100.

Add Goal Seek Logic

Inside the loop, check your conditions and call the Goal Seek method. The syntax is: 'Range("C" & i).GoalSeek Goal:=10, ChangingCell:=Range("B" & i)'.

Run the Subroutine

Press F5 or click the Run button to execute the macro and apply Goal Seek across the specified rows.

Tip for Beginners: If you are unsure of the exact Goal Seek syntax, use the 'Record Macro' feature while performing a manual Goal Seek on a single cell. You can then copy the generated syntax into your loop.

Solution 2

Control Convergence with Iteration Settings

Adjust Excel's Maximum Iterations and Maximum Change settings instead of merely enabling iterative calculations to control Goal Seek convergence.

Automate Goal Seek with VBA in WPS Spreadsheet

WPS Spreadsheet offers robust support for VBA macros and Goal Seek operations, allowing you to seamlessly run iteration loops on your datasets with an interface highly familiar to Excel users.

1. Open WPS Spreadsheet: Launch WPS Office and open your dataset or macro-enabled workbook.
2. Access the Developer Tools: Navigate to the 'Developer' tab on the top ribbon. If it's not visible, enable it from the settings.
3. Launch the VBA Editor: Click 'VB Editor' to open the scripting environment where you can paste your Goal Seek loop macro.
4. Execute the Macro: Run the macro to automatically calculate the target margins and changing cells across your specified rows.

Fully compatible with Microsoft Excel macro-enabled workbooks (.xlsm)Built-in VBA editor for writing and running For loopsNative Goal Seek feature to solve complex financial modelsLightweight, fast, and free to use

microsoft office alternative - wps office

Frequently Asked Questions

Why shouldn't I use a User Defined Function (UDF) for Goal Seek?

Worksheet functions (UDFs) are strictly designed to return values to the cell they reside in. They cannot change the state of the Excel application, format cells, or modify other ranges, which is required for Goal Seek to operate properly.

How do I prevent my Goal Seek VBA loop from crashing Excel?

Ensure you properly set the Application.MaxIterations and Application.MaxChange properties before running the loop. Additionally, insert 'DoEvents' within intensive loops to keep the application responsive.

Does WPS Office support VBA for Goal Seek?

Yes, WPS Office supports VBA (Visual Basic for Applications). You can write, edit, and execute macros including automated Goal Seek loops directly within WPS Spreadsheet, ensuring high compatibility with existing Excel scripts.

What happens if Goal Seek cannot find a solution in the loop?

If Goal Seek fails to converge within the specified Maximum Iterations, it stops and leaves the cell at the closest value it found. You can handle this in VBA by checking if the result meets your precision requirements and outputting an error flag if it doesn't.

Excel & Data Problems