Blog · ROUNDDOWN

Google Sheets ROUNDDOWN with ARRAYFORMULA

Combine ROUNDDOWN with ARRAYFORMULA for dynamic arrays.

What is ROUNDDOWN?

Rounds a number down to a certain number of decimal places.

Syntax

ROUNDDOWN(value, [places])

Step-by-Step Guide

1. Understand the arguments — ROUNDDOWN requires specific inputs. Review the syntax above and make sure you understand each argument.
2. Set up your data — Organize your data with clear headers and consistent formatting before applying the formula.
3. Write the formula — Start typing =ROUNDDOWN( in any cell and Google Sheets will show you the argument hints.
4. Test with sample data — Verify the output matches your expectations before applying to your full dataset.
5. Handle errors — Wrap in IFERROR() to gracefully handle edge cases: =IFERROR(ROUNDDOWN(...), "N/A")

Expert Tips

Always rounds toward zero.

Related Functions

Check out our complete formula reference for more Google Sheets functions.

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