» Rounding Numbers to Thousands

To round numbers to thousands:

1. Press Ctrl+1 to open the Format Cells dialog box.
2. Select the Number tab, and from Category, select Custom.
3. In the Type box, enter the following Custom Formatting syntax:
#,##0, ;[Red](#,##0,);- ;
Result:
• Original number: 5,645,625
• The displaying formatted number: 5,646

Note:
The number formatting syntax is:
Positive; Negative; 0; Text
Screenshot // Rounding Numbers to Thousands