How to Find and Fix Circular References in Excel & Google Sheets

A Circular Reference occurs when a formula depends on its own result to calculate itself, creating an infinite computation loop that freezes workbook calculations.

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🔍 Step-by-Step: How to Locate the Circular Cell

In Microsoft Excel:

1. Look at the Status Bar at the very bottom left of your Excel window. It will say: Circular References: B10.
2. Go to the Formulas ribbon tab.
3. Click the arrow next to Error Checking $\rightarrow$ Circular References.
4. Excel will list the exact cell address. Click it to jump directly to the offending cell.

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In Google Sheets:

1. Google Sheets displays a red banner: “Circular dependency detected”.
2. The formula returns #REF! with a tooltip: “Result was not automatically expanded, please insert more columns.”

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The Classic Mistake: SUM Range Overlap

• Cell A10 Formula: ❌ =SUM(A1:A10)
• Because cell A10 is trying to sum itself, the value changes on every calculation pass.
• Fix: Change formula to ✅ =SUM(A1:A9).