Logical & Lookup Formulas
Range Dimensions & Relative Row/Column Position (ROW, COLUMN, ROWS, COLUMNS)
Compute dynamic 1-based relative column/row offsets COLUMN(D4) - COLUMN($B$4) + 1 for VLOOKUP col_index_num and audit total matrix capacity ROWS(rng) * COLUMNS(rng) immune to inserted rows or columns.
Why hardcoded VLOOKUP column numbers break the moment someone inserts a column!
Hardcoding 3 inside =VLOOKUP(A2, $B$4:$F$8, 3, FALSE) breaks silently as soon as a colleague inserts a column before B (shifting sheet column letters) or inside the table! Anchoring relative position with =COLUMN(D4) - COLUMN($B$4) + 1 converts sheet-level coordinates (Column D = 4, starting Column B = 2) into a rock-solid 1-based offset (4 - 2 + 1 = 3) that automatically increments as you drag across headers and survives any columns inserted to the left of B!
Likewise, pairing ROWS(B4:F8) and COLUMNS(B4:F8) measures exact table height (5 rows), width (5 columns), and total cell count ROWS(B4:F8) * COLUMNS(B4:F8) = 25 cells dynamically!
| Target Cell Inside $B$4:$F$8 | Sheet Coordinate (ROW / COLUMN) | 1-Based Relative Offset Formula | Offset Returned |
|---|---|---|---|
| Top-Left Anchor Cell B4 | ROW = 4, COLUMN = 2 | COLUMN(B4) - COLUMN($B$4) + 1 | 1 (First Column) |
| Third Table Column D4 | ROW = 4, COLUMN = 4 | COLUMN(D4) - COLUMN($B$4) + 1 | 3 (Dynamic col_index_num) |
| Bottom-Right Cell F8 | ROW = 8, COLUMN = 6 | ROW(F8) - ROW($B$4) + 1 | 5 (Fifth Row of 5×5 = 25) |
1-Based Relative Column Index Within Any Anchored Range
Subtracts the anchor column COLUMN($B$4) from target column COLUMN(D4) and adds 1 so the leftmost column of the table always equals 1.
=COLUMN(D4) - COLUMN($B$4) + 1Total Matrix Cell Capacity = ROWS(range) * COLUMNS(range)
Multiplies table row count by column count to audit total grid capacity regardless of blank cells.
=ROWS(B4:F8) * COLUMNS(B4:F8)Try the example
Use the original values or change them to test your understanding.