LOG10 Formula

Returns the base-10 logarithm of number.

Syntax

Formula structure

Source: Quadratic docs
=LOG10(number)
number
Required: Yes

Required argument used by the LOG10 formula.

Examples for the log10 formula

Copy these examples into a spreadsheet and adjust the ranges for your own data.

LOG10 syntax pattern

=LOG10(number)

Use this LOG10 pattern as the starting point for your spreadsheet formula.

LOG10 in a worksheet

=LOG10(A2)

Returns the base-10 logarithm of number.

When to use LOG10

Use LOG10 when you need to return the base-10 logarithm of number.

  • Build totals, rounded metrics, and numeric calculations.
  • Clean up numeric inputs before analysis.

How LOG10 works in Quadratic

In Quadratic, LOG10 follows the syntax LOG10(number). The function works inside Quadratic formulas and can be combined with spreadsheet ranges, tables, and other formulas.

Common LOG10 mistakes

Most LOG10 issues come from mismatched argument types, ranges that do not cover the intended data, or optional parameters being omitted when the default behavior is not what you expected.

  • Check each required parameter before copying the formula across a sheet.
  • Confirm that ranges line up with the rows or columns you intend to analyze.
  • Use Quadratic AI to explain or debug the formula when the result looks wrong.

Related formulas

SUMSUMIFSUMIFSPRODUCT

LOG10 formula FAQ

What does the log10 formula do?

LOG10 returns the base-10 logarithm of number.

What is the syntax for LOG10?

The syntax is LOG10(number). Required and optional parameters are listed at the top of this guide.

Can Quadratic AI help with LOG10?

Yes. Quadratic AI can write a LOG10 formula, explain existing formula logic, or help debug broken references and unexpected results.

Quadratic AI

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Spreadsheet formulas are powerful, but they get painful fast. A LOG10 formula can start simple, then turn into logic that is hard to understand, easy to break, and difficult to share with the rest of your team.

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Why formulas slow teams down

  • Long formulas become hard to read, understand, and trust.
  • Formula logic breaks when rows, columns, or assumptions change.
  • Manual updates make dashboards and reports fragile over time.
  • Complex formulas are difficult to explain, review, and share with teammates.
  • Advanced analysis quickly outgrows formula-only workflows.