Increment Lowest Significant Digit (Excel)

Sun, 31 May 2026 10:17:00 +0100

Abstract

What if you need to increment a number on its lowest significant digit?

Example: You have the number 123.4567. Now you need a function to determine 0.0001.

Solution:

=10^(--RIGHT(TEXT(ABS(A1),"#.###############E+000"),4)+7-LEN(TEXT(ABS(A1),"#.###############E+000")))

Please note that German Excel functions and decimal separator “,” are used in above graphic.

Please read my Disclaimer.

Increment_Lowest_Significant_Digit.xlsx [10 KB Excel file, open and use at your own risk]

Note: A comprehensive documentation of my Excel implementations can be found in Excel VBA A Collection.