Excel LN Function

This Excel Tutorial demonstrates how to use the Excel LN Function in Excel to calculate the natural logarithm to a number, with formula examples.

LN Function Description:

The LN Function Calculates the natural logarithm of a number.

Formula Examples:

ln function examples

ExampleFormulaResult
1=LN(C5)-2.30258509299405
2=LN(C6)-0.693147180559945
3=LN(C7)-0.105360515657826
4=LN(C8)0

Syntax and Arguments:

The Syntax for the LN Formula is:

Function Arguments ( Inputs ):

number – A number.

Additional Notes

Use the LN Function to calculate the natural logarithm of a number. Simply enter any number directly into the formula, or reference a cell containing a number.

LN Examples in VBA

You can also use the LN function in VBA. Type:
application.worksheetfunction.ln(number)
For the function arguments (number, etc.), you can either enter them directly into the function, or define variables to use instead.

Return to the List of all Functions in Excel

How to use the LN Function in Excel:

To use the AND Excel Worksheet Function, type the following into a cell:
=AND(
After entering it in the cell, notice how the AND formula inputs appear below the cell:
ln formula syntax
You will need to enter these inputs into the function. The function inputs are covered in more detail in the next section. However, if you ever need more help with the function, after typing “=LN(” into a cell, without leaving the cell, use the shortcut CTRL + A (A for Arguments) to open the “Insert Function Dialog Box” for detailed instructions:
how to use the ln function in excel

For more information about the LN Formula visit the
Microsoft Website.

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