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Questions tagged [number-formatting]

Number formatting is the process of converting a numeric value into a string suitable for display. Things to take into account are the decimal/thousands separator, digit grouping, the shape of the numbers, how a percentage or currency is displayed, and so on.

Number formatting is the process of converting a numeric value into a string suitable for display.

Questions about formatting numbers in different formats for

  • decimal/thousands separator
  • digit grouping
  • the shape of the numbers
  • percentage
  • currency formatting

This should be mostly used with tag in which language it should be done.

2824 questions
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30 answers

How to convert decimal to hexadecimal in JavaScript

How do you convert decimal values to their hexadecimal equivalent in JavaScript?
Luke Smith
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Format number to always show 2 decimal places

I would like to format my numbers to always display 2 decimal places, rounding where applicable. Examples: number display ------ ------- 1 1.00 1.341 1.34 1.345 1.35 I have been using this:…
Varada
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How to print a number using commas as thousands separators

How do I print an integer with commas as thousands separators? 1234567 ⟶ 1,234,567 It does not need to be locale-specific to decide between periods and commas.
Elias Zamaria
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How to output numbers with leading zeros in JavaScript?

Is there a way to prepend leading zeros to numbers so that it results in a string of fixed length? For example, 5 becomes "05" if I specify 2 places.
chris
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Show a number to two decimal places

What's the correct way to round a PHP string to two decimal places? $number = "520"; // It's a string from a database $formatted_number = round_to_2dp($number); echo $formatted_number; The output should be 520.00; How should the round_to_2dp()…
Rich Bradshaw
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C# convert int to string with padding zeros?

In C# I have an integer value which need to be convereted to string but it needs to add zeros before: For Example: int i = 1; When I convert it to string it needs to become 0001 I need to know the syntax in C#.
Pinu
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How to format a floating number to fixed width in Python

How do I format a floating number to a fixed width with the following requirements: Leading zero if n < 1 Add trailing decimal zero(s) to fill up fixed width Truncate decimal digits past fixed width Align all decimal points For example: %…
hobbes3
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How to add leading zeros?

I have a set of data which looks something like this: anim <- c(25499,25500,25501,25502,25503,25504) sex <- c(1,2,2,1,2,1) wt <- c(0.8,1.2,1.0,2.0,1.8,1.4) data <- data.frame(anim,sex,wt) data anim sex wt anim2 1 25499 1 0.8 2 2 25500 …
baz
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How to format numbers by prepending 0 to single-digit numbers?

I want to format a number to have two digits. The problem is caused when 0–9 is passed, so I need it to be formatted to 00–09. Is there a number formatter in JavaScript?
Keith Power
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Using String Format to show decimal up to 2 places or simple integer

I have got a price field to display which sometimes can be either 100 or 100.99 or 100.9, What I want is to display the price in 2 decimal places only if the decimals are entered for that price , for instance if its 100 so it should only show 100…
Mr A
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Force R not to use exponential notation (e.g. e+10)?

Can I force R to use regular numbers instead of using the e+10-like notation? I have: 1.810032e+09 # and 4 within the same vector and want to see: 1810032000 # and 4 I am creating output for an old fashioned program and I have to write a text…
Matt Bannert
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Format / Suppress Scientific Notation from Pandas Aggregation Results

How can one modify the format for the output from a groupby operation in pandas that produces scientific notation for very large numbers? I know how to do string formatting in python but I'm at a loss when it comes to applying it here.…
horatio1701d
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How to format a number 0..9 to display with 2 digits (it's NOT a date)

I'd like to always show a number under 100 with 2 digits (example: 03, 05, 15...) How can I append the 0 without using a conditional to check if it's under 10? I need to append the result to another String, so I cannot use printf.
realtebo
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Display a decimal in scientific notation

How can I display Decimal('40800000000.00000000000000') as '4.08E+10'? I've tried this: >>> '%E' % Decimal('40800000000.00000000000000') '4.080000E+10' But it has those extra 0's.
Greg
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Suppress Scientific Notation in Numpy When Creating Array From Nested List

I have a nested Python list that looks like the following: my_list = [[3.74, 5162, 13683628846.64, 12783387559.86, 1.81], [9.55, 116, 189688622.37, 260332262.0, 1.97], [2.2, 768, 6004865.13, 5759960.98, 1.21], [3.74, 4062, 3263822121.39,…
donopj2
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