CONVERT Function – Convert Units in Excel, VBA, Google Sheets

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Editorial Team

Reviewed by

Steve Rynearson

Last updated on November 6, 2023
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This Tutorial demonstrates how to use the CONVERT Function in Excel to convert a number from one unit to another.

CONVERT Main Function

CONVERT Function 

The CONVERT Function converts a number from a measurement system to another. Say, you want to convert miles into kilometers.

=CONVERT(C3, "km", "mi")

CONVERT Function 01

CONVERT Function – Prefixes

The CONVERT Function can also convert from one prefix to another. 

=CONVERT(C3, "sec", "msec")

CONVERT Function 02

Note: The prefix will proceed the unit in the formula.

CONVERT Function – Binary Prefixes

The CONVERT Function can be used for binary prefixes as well.

=CONVERT(C3, "Mibyte", "Gbyte")

CONVERT Function 03

CONVERT Function – Area/Volume

The CONVERT Function can also convert compound units like meter squared or cubic feet.

=CONVERT(CONVERT(C3, "ft", "mi"), "ft", "mi")

CONVERT Function 04

Alternatively, the units can be directly entered in the formula.

=CONVERT(C3, "ft2", "mi2")

CONVERT Function 05

CONVERT Function – Incorrect Data Type

The CONVERT Function will return an error if the input data type is not the same.

=CONVERT(C3, "g", "hr")

CONVERT Function 06

CONVERT in Google Sheets

The CONVERT Function works exactly the same in Google Sheets as in Excel:

CONVERT Google Function

CONVERT Examples in VBA

You can also use the CONVERT function in VBA. Type:


For the function arguments (number, etc.), you can either enter them directly into the function, or define variables to use instead.

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