TRUNC Function in Excel: Syntax, Examples & Practice
Learn the Excel TRUNC function: Truncates decimals without rounding. Try focused practice and download a free workbook.
Syntax
=TRUNC(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 |
=TRUNC(B2,2)
Expected result: 12543.26
The source contains decimals so you can see exactly which digits are rounded or truncated.
Professional use
Control displayed/calculated precision.
Practice TRUNC · Download practice .xlsx
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Questions and answers
How can I practise TRUNC?
Use the focused ten-question TRUNC 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 TRUNC?
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.