Convert float to std::string in C++

Question

I have a float value that needs to be put into a std::string. How do I convert from float to string?

float val = 2.5;
std::string my_val = val;          


        

Answer 1

You can use std::to_string in C++11

float val = 2.5;
std::string my_val = std::to_string(val);