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int total=0, number=0;
float percentage=0.0;

percentage=(number/total)*100;
printf("%.2f",percentage);

If the value of number is 50 and total is 100, I should get 50.00 for percentage, at least that is what I want. but I keep getting 0.00 as the answer and tried many changes to the types as well but no avail.

Integer division truncates, so (50/100) results in 0. You can cast to float (better double) or multiply with 100.0 (for double precision, 100.0f for float precision) first,

double percentage;
// ...
percentage = 100.0*number/total;
// percentage = (double)number/total * 100;

or

float percentage;
// ...
percentage = (float)number/total * 100;
// percentage = 100.0f*number/total;

Since floating point arithmetic is not associative, the results of 100.0*number/total and (double)number/total * 100 may be slightly different (the same holds for float), but it's extremely unlikely to influence the first two places after the decimal point, so it probably doesn't matter which way you choose.

How to convert int to float in C?, int total=0, number=0; float percentage=0.0; percentage=(number/total)*100; printf("%. 2f", percentage); If the value of the number is 50 and the total is 100, I should get 50.00 as percentage and that is what I want. Alternatively you can convert one of the numbers in any operation to a float since an operation between a float and an integer would return a float. In your case you could write float(144)/314 or 144/float(314). Another, less generic code, is to say 144.0/314. Here 144.0 is a float so it’s the same thing.

integer division in C truncates the result so 50/100 will give you 0

If you want to get the desired result try this :

((float)number/total)*100

or

50.0/100

C - Type Casting, Consider the following example where the cast operator causes the division of one integer variable by another to be performed as a floating-point operation −. How does one convert from an int or a decimal to a float in C#? I need to use a float for a third-party control, but I don't use them in my code, and I'm not sure how to end up with a float.

No, because you do the expression using integers, so you divide the integer 50 by the integer 100, which results in the integer 0. Type cast one of them to a float and it should work.

Convert int to float in C#, Convert int to float in C#. ConvertDataTypes is the helpfull website for converting your data types in several programming languages. If the value of number is 50 and total is 100, I should get 50.00 for percentage, at least that is what I want. but I keep getting 0.00 as the answer and tried many changes to the types as well but no avail. Integer division truncates, so (50/100) results in 0. You can cast to float (better double) or multiply with 100.0 (for double precision

You are doing integer arithmetic, so there the result is correct. Try

percentage=((double)number/total)*100;

BTW the %f expects a double not a float. By pure luck that is converted here, so it works out well. But generally you'd mostly use double as floating point type in C nowadays.

int to float Java, After knowing primitive data types and Java rules of Data Type Casting (Type Conversion), let us cast int to float. The int and float, each takes 4  The int() function takes in any python data type and converts it into a integer.But use of the int() function is not the only way to do so. This type of conversion can also be done using the float() keyword, as a float value can be used to compute with integers.

I routinely multiply by 1.0 if I want floating point, it's easier than remembering the rules.

Convert Integer to Float in C, I want to convert an integer value into a float value in Turbo C. A friend told me that there is possibility of convert Float into int. A In Python, how can I parse a numeric string like "545.2222" to its corresponding float value, 545.2222? Or parse the string "31" to an integer, 31? I just want to know how to parse a float str to a

(Tutorial) Convert Binary to Decimal Python Data Types, Integer and Float Conversions. Integers and floats are data types that deal with numbers. To convert the integer to float, use the float() function in  In this short guide, I’ll review two methods to convert integers to floats in Pandas DataFrame: (1) The astype (float) method: (2) The to_numeric method: In the next section, I’ll review an example with the steps to apply the above two methods in practice. To start, create a DataFrame that contains integers.

FLP06-C. Convert integers to floating point for floating , The results are truncated to the nearest integer or may overflow. void func(void) { short a = 533; int b = 6789; long c = 466438237; float d = a / 7  This webpage is a tool to understand IEEE-754 floating point numbers. This is the format in which almost all CPUs represent non-integer numbers. As this format is using base-2, there can be surprising differences in what numbers can be represented easily in decimal and which numbers can be represented in IEEE-754. As an example, try "0.1".

How to convert an int to a float, Swift's Float data type has a built-in constructor that can convert from integers with no extra work from you. For example, to convert the integer 

Comments
  • Because the int part of 50/100 (= 0.5) is 0
  • The former performs the calculation with double precision, the latter with single precision. So they may not be equivalent. Use 100.0f to get a float literal.