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Excelspreadsheet~10 mins

Dynamic charts with data ranges in Excel - Cell-by-Cell Formula Trace

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Sample Data

Monthly sales data from January to June.

CellValue
A1Month
B1Sales
A2Jan
B2100
A3Feb
B3120
A4Mar
B4130
A5Apr
B590
A6May
B6150
A7Jun
B7160
Formula Trace
=OFFSET($B$1,1,0,COUNTA($B$2:$B$100),1)
Step 1: COUNTA($B$2:$B$100)
Step 2: OFFSET($B$1,1,0,6,1)
Cell Reference Map
    A       B
1 |Month | Sales |
2 | Jan  | 100   |
3 | Feb  | 120   |
4 | Mar  | 130   |
5 | Apr  | 90    |
6 | May  | 150   |
7 | Jun  | 160   |
The formula uses the Sales column from B2 down to B7 dynamically based on how many sales values exist.
Result
    A       B
1 |Month | Sales |
2 | Jan  | 100   |
3 | Feb  | 120   |
4 | Mar  | 130   |
5 | Apr  | 90    |
6 | May  | 150   |
7 | Jun  | 160   |

Chart uses range B2:B7 dynamically for sales data.
The dynamic range B2:B7 is used as the data source for the chart. If more sales data is added below B7, the range will automatically expand.
Sheet Trace Quiz - 3 Questions
Test your understanding
What does COUNTA($B$2:$B$100) return in this data?
A5
B7
C6
D100
Key Result
OFFSET with COUNTA creates a dynamic range starting from a fixed cell, extending down based on count of non-empty cells.