SUM
Math & trigExcel 2007Add up numbers, cells and ranges.
Syntax
SUM(number1, [number2], …)
Examples
=SUM(B2:B100)
→
=SUM(B2:B10, D2:D10, 500)
→ multiple ranges plus a constant
Good to know
- Text and blank cells are ignored. To add with a condition use SUMIF / SUMIFS.
Related functions
More Math & trig functions
Syntax follows Microsoft’s documentation. Examples are written to be pasted into a cell and checked. Argument separators may be ; in your locale. The AI explainer runs on a free community model — verify anything important.