How to convert a single char into an int in C++

The following is an example to convert a character into int.

Example

 Live Demo

#include <iostream>
using namespace std;
int main() {
   char c = '8';
   int i = c - 48;
   cout << i;
   i = c - '0';
   cout <<"\t" << i;
   return 0;
}

Output

8 8

In the above program, a character ‘c’ is initialized with a value. The character is converted into integer value as shown below −

char c = '8';
int i = c - 48;
cout << i;
i = c - '0';
cout <<"\t" << i;

Samual Sam

Updated on 26-Jun-2020 09:09:53

• Related Questions & Answers
• How do I convert a char to an int in C and C++?
• How to convert a String into int in Java?
• How to convert a string into int in C#?
• How to convert hex string into int in Python?
• How to convert an std::string to const char* or char* in C++?
• How to convert a Java String to an Int?
• How to convert a String to an int in Java
• How to convert columns of an R data frame into a single vector?
• How to convert list elements into a single string in R?
• How to convert an int to string in C++?
• How to convert date and time into int in Android sqlite?
• How to convert multiple columns into single column in an R data frame?
• How to convert a std::string to const char* or char* in C++?
• How to assign int value to char variable in Java
• How to convert a list of lists into a single list in R?