ROUNDDOWN Function in Excel: Syntax, Examples & Practice
Learn the Excel ROUNDDOWN function: Rounds a number toward zero. Try focused practice and download a free workbook.
Syntax
=ROUNDDOWN(number, num_digits)
Check the function documentation for your Excel version and platform. The browser simulator implements selected behavior and does not reproduce every Excel feature.
Worked example
| Row | A: Invoice | B: Amount | C: Reference |
|---|---|---|---|
| 2 | INV001 | 12543.267 | 12000 |
| 3 | INV002 | 8432.559 | 8000 |
| 4 | INV003 | 999.995 | 900 |
=ROUNDDOWN(B2,0)
Expected result: 12543
The source contains decimals so you can see exactly which digits are rounded or truncated.
Professional use
Control decimal precision without rounding upward.
Practice ROUNDDOWN · Download practice .xlsx
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Questions and answers
How can I practise ROUNDDOWN?
Use the focused ten-question ROUNDDOWN lab, then download its workbook for ten additional function-specific tasks and an answer key. Core learning works without an account.
Which Excel version supports ROUNDDOWN?
Check the function documentation for your Excel version and platform. The browser simulator implements selected behavior and does not reproduce every Excel feature.
Does the browser simulator replace Microsoft Excel?
No. It supports a selected set of formula behavior for practice. Native workbook recalculation, full function compatibility, PivotTables and external data features must be checked in your own Excel installation.
Interactive practice runs in your browser.