Skip to content
Free Excel Tutorials
  • Home
  • Excel For Beginners
  • Excel Intermediate
  • Advanced Excel For Experts

Data Analysis

  • How to Create Column Chart in Excel
  • How To Compare Two Lists in Excel
  • Example of COUNTIFS with variable table column in Excel
  • Understanding Anova in Excel
  • How to calculate current stock or inventory in Excel

References

  • Two-column Lookup in Excel
  • How to get address of first cell in range in Excel
  • How to get last row in numeric data in Excel
  • MATCH function: Description, Usage, Syntax, Examples and Explanation
  • Find Closest Match in Excel Using INDEX, MATCH, ABS and MIN functions

Data Validations

  • Excel Data validation date in next 30 days
  • Excel Data validation number multiple 100
  • Excel Data validation unique values only
  • Excel Data validation don’t exceed total
  • Excel Data validation specific characters only

LOG function: Description, Usage, Syntax, Examples and Explanation

by

What is LOG function in Excel?

LOG function is one of the Math and Trig functions in Microsoft Excel that returns the logarithm of a number to the base you specify.

Syntax of LOG function

LOG(number, [base])

The LOG function syntax has the following arguments:

  • Number: The positive real number for which you want the logarithm.
  • Base(Optional): The base of the logarithm. If base is omitted, it is assumed to be 10.

Example of LOG function

Steps to follow:

1. Open a new Excel worksheet.

2. Copy data in the following table below and paste it in cell A1

Note: For formulas to show results, select them, press F2 key on your keyboard and then press Enter.

You can adjust the column widths to see all the data, if need be.

Formula Description Result
=LOG(10) Logarithm of 10. Because the second argument (base) is omitted, it is assumed to be 10. The result, 1, is the power to which the base must be raised to equal 10. 1
=LOG(8, 2) Logarithm of 8 with base 2. The result, 3, is the power to which the base must be raised to equal 8. 3
=LOG(86, 2.7182818) Logarithm of 86 with base e (approximately 2.718). The result, 4.454, is the power to which the base must be raised to equal 86. 4.4543473

Post navigation

Previous Post:

AND function: Description, Usage, Syntax, Examples and Explanation

Next Post:

MDETERM function: Description, Usage, Syntax, Examples and Explanation

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Learn Basic Excel

Ribbon
Workbook
Worksheets
Format Cells
Find & Select
Sort & Filter
Templates
Print
Share
Protect
Keyboard Shortcuts

Categories

  • Charts
  • Data Analysis
  • Data Validation
  • Excel Functions
    • Cube Functions
    • Database Functions
    • Date and Time Functions
    • Engineering Functions
    • Financial Functions
    • Information Functions
    • Logical Functions
    • Lookup and Reference Functions
    • Math and Trig Functions
    • Statistical Functions
    • Text Functions
    • Web Functions
  • Excel VBA
  • Excel Video Tutorials
  • Formatting
  • Grouping
  • Others

Logical Functions

  • How to use Excel TRUE Function
  • OR function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel NOT Function
  • Check multiple cells are equal in Excel
  • AND function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Convert Excel time to decimal minutes
  • Convert date to text in Excel
  • Convert Unix time stamp to Excel date
  • EOMONTH function: Description, Usage, Syntax, Examples and Explanation
  • How to calculate Next working/business day in Excel

Grouping

  • Running count group by n size in Excel
  • Map inputs to arbitrary values in Excel
  • How to randomly assign data to groups in Excel
  • Map text to numbers in Excel
  • Group numbers with VLOOKUP in Excel

General

  • Find, Select, Replace and Go To Special in Excel
  • How to calculate percentage of total in Excel
  • Share Excel data with Word documents
  • With vs Without Array Formula in Excel
  • How to calculate profit margin percentage in Excel
© 2023 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning