To create a custom number format, you start by selecting one of the built-in number formats as a starting point. You can then change any one of the code sections of that format to create your own custom number format.
A number format can have up to four sections of code, separated by semicolons. These code sections define the format for positive numbers, negative numbers, zero values, and text, in that order.
<POSITIVE>;<NEGATIVE>;<ZERO>;<TEXT>
For example, you can use these code sections to create the following custom format:
[Blue]#,##0.00_);[Red](#,##0.00);0.00;"sales "@
You do not have to include all code sections in your custom number format. If you specify only two code sections for your custom number format, the first section is used for positive numbers and zeros, and the second section is used for negative numbers. If you specify only one code section, it is used for all numbers. If you want to skip a code section and include a code section that follows it, you must include the ending semicolon for the section that you skip.
The following guidelines should be helpful for customizing any of these number format code sections.
Note: The language and region settings on your computer may affect the custom formats that appear by default in the Number formatting tab of the Cell Format dialog. For example, you may be able to set the currency symbol, format for negative values, thousands separator, and decimal separator in your computer settings, which may affect which custom formats are listed in Excel.
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Display both text and numbers To display both text and numbers in a cell, enclose the text characters in double quotation marks (" ") or precede a single character with a backslash (\). Include the characters in the appropriate section of the format codes. For example, type the format $0.00" Surplus";$-0.00" Shortage" to display a positive amount as "$125.74 Surplus" and a negative amount as "$-125.74 Shortage." Note that there is one space character before both "Surplus" and "Shortage" in each code section.
The following characters are displayed without the use of quotation marks.
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$ |
Dollar sign |
|---|---|
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+ |
Plus sign |
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( |
Left parenthesis |
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: |
Colon |
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^ |
Circumflex accent (caret) |
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' |
Apostrophe |
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{ |
Left curly bracket |
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< |
Less-than sign |
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= |
Equal sign |
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- |
Minus sign |
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/ |
Slash mark |
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) |
Right parenthesis |
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! |
Exclamation point |
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& |
Ampersand |
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~ |
Tilde |
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} |
Right curly bracket |
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> |
Greater-than sign |
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Space character |
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Include a section for text entry If included, a text section is always the last section in the number format. Include an "at" character (@) in the section where you want to display any text that you type in the cell. If the @ character is omitted from the text section, text that you type will not be displayed. If you want to always display specific text characters with the typed text, enclose the additional text in double quotation marks (" "). For example, "gross receipts for "@
If the format does not include a text section, any non-numeric value that you type in a cell with that format applied is not affected by the format. In addition, the entire cell is converted to text.
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Add spaces To create a space that is the width of a character in a number format, include an underscore character (_), followed by the character that you want to use. For example, when you follow an underscore with a right parenthesis, such as _), positive numbers line up correctly with negative numbers that are enclosed in parentheses.
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Repeat characters To repeat the next character in the format to fill the column width, include an asterisk (*) in the number format. For example, type 0*- to include enough dashes after a number to fill the cell, or type *0 before any format to include leading zeros.
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Include double quotation marks To display double quotation marks in the cell, use \" (backslash followed by double quotation mark). For example, to display 32 as 32" in the cell, use #\" as the number format.
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Include decimal places and significant digits To format fractions or numbers that contain decimal points, include the following digit placeholders, decimal points, and thousand separators in a section.
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0 (zero) |
This digit placeholder displays insignificant zeros if a number has fewer digits than there are zeros in the format. For example, if you type 8.9, and you want it to be displayed as 8.90, use the format #.00. |
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# |
This digit placeholder follows the same rules as the 0 (zero). However, Excel does not display extra zeros when the number that you type has fewer digits on either side of the decimal than there are # symbols in the format. For example, if the custom format is #.##, and you type 8.9 in the cell, the number 8.9 is displayed. |
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? |
This digit placeholder follows the same rules as the 0 (zero). However, Excel adds a space for insignificant zeros on either side of the decimal point so that decimal points are aligned in the column. For example, the custom format 0.0? aligns the decimal points for the numbers 8.9 and 88.99 in a column. |
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. (period) |
This digit placeholder displays the decimal point in a number. |
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If a number has more digits to the right of the decimal point than there are placeholders in the format, the number rounds to as many decimal places as there are placeholders. If there are more digits to the left of the decimal point than there are placeholders, the extra digits are displayed. If the format contains only number signs (#) to the left of the decimal point, numbers less than 1 begin with a decimal point; for example, .47.
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To display |
As |
Use this code |
|---|---|---|
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1234.59 |
1234.6 |
####.# |
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8.9 |
8.900 |
#.000 |
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.631 |
0.6 |
0.# |
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12 1234.568 |
12.0 1234.57 |
#.0# |
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44.398 102.65 2.8 |
44.398 102.65 2.8 (with aligned decimals) |
???.??? |
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5.25 5.3 |
5 1/4 5 3/10 (with aligned fractions) |
# ???/??? |
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Display a thousands separator To display a comma as a thousands separator or to scale a number by a multiple of 1,000, include the following separator in the number format.
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, (comma) |
Displays the thousands separator in a number. Excel separates thousands by commas if the format contains a comma that is enclosed by number signs (#) or by zeros. A comma that follows a digit placeholder scales the number by 1,000. For example, if the format is #.0,, and you type 12,200,000 in the cell, the number 12200.0 is displayed. |
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To display |
As |
Use this code |
|---|---|---|
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12000 |
12,000 |
#,### |
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12000 |
12 |
#, |
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12200000 |
12.2M |
0.0,,"M" |
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Specify colors To specify the color for a section of the format, type the name of one of the following eight colors enclosed in square brackets in the section. The color code must be the first item in the section.
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[Black] |
|---|
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[Green] |
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[White] |
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[Blue] |
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[Magenta] |
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[Yellow] |
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[Cyan] |
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[Red] |
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Specify conditions To specify number formats that will be applied only if a number meets a condition that you specify, enclose the condition in square brackets. The condition consists of a comparison operator and a value. For example, the following format displays numbers that are less than or equal to 100 in a red font and numbers that are greater than 100 in a blue font.
[Red][<=100];[Blue][>100]
To apply conditional formats to cells (for example, color shading that depends on the value of a cell), on the Home tab, in the Styles group, click Conditional Formatting.
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Include currency symbols To type one of the following currency symbols in a number format, press NUM LOCK and use the numeric keypad to type the ANSI code for the symbol.
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To enter |
Press this code |
|---|---|
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¢ |
ALT+0162 |
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£ |
ALT+0163 |
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¥ |
ALT+0165 |
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ALT+0128 |
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Note: Custom formats are saved with the workbook. To have Excel always use a specific currency symbol, you must change the currency symbol that is selected in the Regional Options in Control Panel before you start Excel.
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Display percentages To display numbers as a percentage of 100 — for example, to display .08 as 8% or 2.8 as 280% — include the percent sign (%) in the number format.
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Display scientific notations To display numbers in scientific (exponential) format, use the following exponent codes in a section.
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E (E-, E+, e-, e+) |
Displays a number in scientific (exponential) format. Excel displays a number to the right of the "E" or "e" that corresponds to the number of places that the decimal point was moved. For example, if the format is 0.00E+00, and you type 12,200,000 in the cell, the number 1.22E+07 is displayed. If you change the number format to #0.0E+0, the number 12.2E+6 is displayed. |
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Display days, months, and years To display numbers as date formats (such as days, months, and years), use the following codes in a section.
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m |
Displays the month as a number without a leading zero. |
|---|---|
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mm |
Displays the month as a number with a leading zero when appropriate. |
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mmm |
Displays the month as an abbreviation (Jan to Dec). |
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mmmm |
Displays the month as a full name (January to December). |
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mmmmm |
Displays the month as a single letter (J to D). |
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d |
Displays the day as a number without a leading zero. |
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dd |
Displays the day as a number with a leading zero when appropriate. |
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ddd |
Displays the day as an abbreviation (Sun to Sat). |
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dddd |
Displays the day as a full name (Sunday to Saturday). |
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yy |
Displays the year as a two-digit number. |
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yyyy |
Displays the year as a four-digit number. |
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To display |
As |
Use this code |
|---|---|---|
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Months |
1–12 |
m |
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Months |
01–12 |
mm |
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Months |
Jan–Dec |
mmm |
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Months |
January–December |
mmmm |
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Months |
J–D |
mmmmm |
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Days |
1–31 |
d |
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Days |
01–31 |
dd |
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Days |
Sun–Sat |
ddd |
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Days |
Sunday–Saturday |
dddd |
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Years |
00–99 |
yy |
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Years |
1900–9999 |
yyyy |
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Display hours, minutes, and seconds To display time formats (such as hours, minutes, and seconds), use the following codes in a section.
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h |
Displays the hour as a number without a leading zero. |
|---|---|
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[h] |
Displays elapsed time in hours. If you are working with a formula that returns a time in which the number of hours exceeds 24, use a number format that resembles [h]:mm:ss. |
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hh |
Displays the hour as a number with a leading zero when appropriate. If the format contains AM or PM, the hour is based on the 12-hour clock. Otherwise, the hour is based on the 24-hour clock. |
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m |
Displays the minute as a number without a leading zero. Note: The m or mm code must appear immediately after the h or hh code or immediately before the ss code; otherwise, Excel displays the month instead of minutes. |
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[m] |
Displays elapsed time in minutes. If you are working with a formula that returns a time in which the number of minutes exceeds 60, use a number format that resembles [mm]:ss. |
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mm |
Displays the minute as a number with a leading zero when appropriate. Note: The m or mm code must appear immediately after the h or hh code or immediately before the ss code; otherwise, Excel displays the month instead of minutes. |
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s |
Displays the second as a number without a leading zero. |
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[s] |
Displays elapsed time in seconds. If you are working with a formula that returns a time in which the number of seconds exceeds 60, use a number format that resembles [ss]. |
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ss |
Displays the second as a number with a leading zero when appropriate. If you want to display fractions of a second, use a number format that resembles h:mm:ss.00. |
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AM/PM, am/pm, A/P, a/p |
Displays the hour using a 12-hour clock. Excel displays AM, am, A, or a for times from midnight until noon and PM, pm, P, or p for times from noon until midnight. |
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To display |
As |
Use this code |
|---|---|---|
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Hours |
0–23 |
h |
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Hours |
00–23 |
hh |
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Minutes |
0–59 |
m |
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Minutes |
00–59 |
mm |
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Seconds |
0–59 |
s |
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Seconds |
00–59 |
ss |
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Time |
4 AM |
h AM/PM |
|
Time |
4:36 PM |
h:mm AM/PM |
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Time |
4:36:03 P |
h:mm:ss A/P |
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Time |
4:36:03.75 |
h:mm:ss.00 |
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Elapsed time (hours and minutes) |
1:02 |
[h]:mm |
|
Elapsed time (minutes and seconds) |
62:16 |
[mm]:ss |
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Elapsed time (seconds and hundredths) |
3735.80 |
[ss].00 |
