How to use CONVERT Function in Excel

The Excel CONVERT function converts a number in one measurement system to another. For example, you can use CONVERT to convert feet into meters, pounds into kilograms, Fahrenheit to Celsius, gallons into liters, and for many other unit conversions.

Syntax: =CONVERT (number, from_unit, to_unit)

The CONVERT function syntax has the following arguments:

  • Number (required argument) – The numeric value we wish to convert.
  • From Unit – This is the unit you are converting from. Quotations are necessary!
  • To Unit – This is the unit you are trying to convert to. Quotations are necessary!
    Measurement systems
    Weight and mass Unit
    Gram “g”
    Slug “sg”
    Pound mass (avoirdupois) “lbm”
    U (atomic mass unit) “u”
    Ounce mass (avoirdupois) “ozm”
    Grain “grain”
    U.S. (short) hundredweight “cwt” or “shweight”
    Imperial hundredweight “uk_cwt” or “lcwt” (“hweight”)
    Stone “stone”
    Ton “ton”
    Imperial ton “uk_ton” or “LTON” (“brton”)
    Distance Unit
    Meter “m”
    Statute mile “mi”
    Nautical mile “Nmi”
    Inch “in”
    Foot “ft”
    Yard “yd”
    Angstrom “ang”
    Ell “ell”
    Light-year “ly”
    Parsec “parsec” or “pc”
    Pica (1/72 inch) “Picapt” or “Pica”
    Pica (1/6 inch) “pica”
    U.S survey mile (statute mile) “survey_mi”
    Time Unit
    Year “yr”
    Day “day” or “d”
    Hour “hr”
    Minute “mn” or “min”
    Second “sec” or “s”
    Pressure Unit
    Pascal “Pa” (or “p”)
    Atmosphere “atm” (or “at”)
    mm of Mercury “mmHg”
    PSI “psi”
    Torr “Torr”
    Force Unit
    Newton “N”
    Dyne “dyn” (or “dy”)
    Pound force “lbf”
    Pond “pond”
    Energy Unit
    Joule “J”
    Erg “e”
    Thermodynamic calorie “c”
    IT calorie “cal”
    Electron volt “eV” (or “ev”)
    Horsepower-hour “HPh” (or “hh”)
    Watt-hour “Wh” (or “wh”)
    Foot-pound “flb”
    BTU “BTU” (or “btu”)
    Power Unit
    Horsepower “HP” (or “h”)
    Pferdestärke “PS”
    Watt “W” (or “w”)
    Magnetism Unit
    Tesla “T”
    Gauss “ga”
    Temperature Unit
    Degree Celsius “C” (or “cel”)
    Degree Fahrenheit “F” (or “fah”)
    Kelvin “K” (or “kel”)
    Degrees Rankine “Rank”
    Degrees Réaumur “Reau”
    Liquid measure Unit
    Teaspoon “tsp”
    Modern teaspoon “tspm”
    Tablespoon “tbs”
    Fluid ounce “oz”
    Cup “cup”
    U.S. pint “pt” (or “us_pt”)
    U.K. pint “uk_pt”
    Quart “qt”
    Imperial quart (U.K.) “uk_qt”
    Gallon “gal”
    Imperial gallon (U.K.) “uk_gal”
    Liter “l” or “L” (“lt”)
    Volume Unit
    Cubic angstrom “ang3” or “ang^3”
    U.S. oil barrel “barrel”
    U.S. bushel “bushel”
    Cubic feet “ft3” or “ft^3”
    Cubic inch “in3” or “in^3”
    Cubic light-year “ly3” or “ly^3”
    Cubic meter “m3” or “m^3”
    Cubic Mile “mi3” or “mi^3”
    Cubic yard “yd3” or “yd^3”
    Cubic nautical mile “Nmi3” or “Nmi^3”
    Cubic Pica “Picapt3”, “Picapt^3”, “Pica3” or “Pica^3”
    Gross Registered Ton “GRT” (“regton”)
    Measurement ton (freight ton) “MTON”
    Area Unit
    International acre “uk_acre”
    U.S. survey/statute acre “us_acre”
    Square angstrom “ang2″ or “ang^2”
    Are “ar”
    Square feet “ft2” or “ft^2”
    Hectare “ha”
    Square inches “in2” or “in^2”
    Square light-year “ly2” or “ly^2”
    Square meters “m2” or “m^2”
    Morgen “Morgen”
    Square miles “mi2” or “mi^2”
    Square nautical miles “Nmi2” or “Nmi^2”
    Square Pica “Picapt2”, “Pica2”, “Pica^2” or “Picapt^2”
    Square yards “yd2” or “yd^2”
    Information Unit
    Bit “bit”
    Byte “byte”

    Metric prefixes

    The prefixes shown in the table below can be used with metric units by prepending the abbreviation to the unit.

    Prefix Multiplier Abbreviation
    yotta 1E+24 “Y”
    zetta 1E+21 “Z”
    exa 1E+18 “E”
    peta 1E+15 “P”
    tera 1E+12 “T”
    giga 1000000000 “G”
    mega 1000000 “M”
    kilo 1000 “k”
    hecto 100 “h”
    dekao 10 “da” or “e”
    deci 0.1 “d”
    centi 0.01 “c”
    milli 0.001 “m”
    micro 0.000001 “u”
    nano 0.000000001 “n”
    pico 1E-12 “p”
    femto 1E-15 “f”
    atto 1E-18 “a”
    zepto 1E-21 “z”
    yocto 1E-24 “y”

    Binary prefixes

    The binary unit prefixes below can be used with “bits” and “bytes”.

    Binary Prefix Value Abbreviation Decimal
    yobi 2^80 “Yi” yotta
    zebi 2^70 “Zi” zetta
    exbi 2^60 “Ei” exa
    pebi 2^50 “Pi” peta
    tebi 2^40 “Ti” tera
    gibi 2^30 “Gi” giga
    mebi 2^20 “Mi” mega
    kibi 2^10 “ki” kilo

Example: Let’s look at some Excel CONVERT function examples and explore how to use the CONVERT function as a worksheet function in Microsoft Excel:

CONVERT Function - How to use CONVERT Function in Excel

Syntax:  =CONVERT(A2,B2,C2)


CONVERT Function in Excel 1 - How to use CONVERT Function in Excel

Based on the Excel spreadsheet above, the following CONVERT examples would return:

Syntax: =CONVERT(A3,B3,C3)
Result: 86

Syntax: =CONVERT(A4,B4,C4)
Result: 37.77777778

Syntax: =CONVERT(A5,B5,C5)
Result: 3.785411784

Syntax: =CONVERT(A6,B6,C6)
Result: 1076.391042

Syntax: =CONVERT(A7,B7,C7)
Result: #N/A

Syntax: =CONVERT(A8,B8,C8)
Result: 0.45359237

Syntax: =CONVERT(A9,B9,C9)
Result: 50

Syntax: =CONVERT(A10,B10,C10)
Result: 1609.344

Syntax: =CONVERT(A11,B11,C11)
Result: 62.13711922

Syntax: =CONVERT(A12,B12,C12)
Result: 16.66666667

Syntax: =CONVERT(A13,B13,C13)
Result: 39.37007874

Syntax: =CONVERT(A14,B14,C14)
Result: 120

Syntax: =CONVERT(CONVERT(A15,”ft”,”m”),”ft”,”m”)
Result: 23.22576


  • The CONVERT function is case-sensitive.
  • CONVERT will return the #N/A error when a unit string is not recognized.
  • CONVERT will return the #N/A error when a units are not compatible.
  • CONVERT will return the #VALUE! error when a number is not valid.
  • A number of measurement units were added to CONVERT in Excel 2013.

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