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How to convert decimal number to binary/octal/hex number or vice versa in Excel?

Author: Sun Last Modified: 2020-05-08

In some cases, particularly in math calculations, you may need to convert decimal number to binary, octal or hex number or vice versa, if you are not good at the conversion, this job must be a problem for you. In this tutorial, I introduce the helpful tricks for you to quickly solve the conversion between decimal number and binary/octal/hex number in Excel.

Convert decimal number to binary/octal/hex with formulas

Convert decimal number to binary/octal/hex with Kutools for Excel good idea3

doc decimal to binary 5


arrow blue right bubble Convert decimal number to binary/octal/hex with formulas

There are some simple formulas that can quickly finish the conversion between decimal numbers and binary/octal/hex number.

Select a blank cell and type this formula =DEC2BIN(A1) to convert a decimal number to binary number, then press Enter key to get the result. And if you need, drag the auto fill handle down or right to fill the cells.

doc decimal to binary 1doc arrow rightdoc decimal to binary 2

To convert decimal to hex, octal or vice versa, you can take references form below table.

doc decimal to binary 3

Tip: In above formulas, A1 is the cell you use to convert.


arrow blue right bubble Convert decimal number to binary/octal/hex with Kutools for Excel

There is a multi-units converter called Unit Conversion which is one of utility of Kutools for Excel, can quickly convert between multiple measures.

Kutools for Excel, with more than 300 handy functions, makes your jobs more easier. 

After free installing Kutools for Excel, please do as below:

1. Select the data you need to convert, and click Kutools > ContentUnit Conversion. See screenshot:

doc decimal to binary 7

2. Select Hex from the Units dropdown list, and then select the units from the two lists, and you can preview the results in the right Preview pane. See screenshot:

doc decimal to binary 5

3. Click Ok, and the decimal numbers have been converted.

Tip:

With Unit Conversion of Kutools for Excel, you can add the converted results as comments and keep the original data by checking Add results as comment.

doc decimal to binary 6


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