How to convert string to int in Golang?

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To convert a string to int in Golang, use the strconv.Atoi() method it will convert your string to an integer you have to pass your string in the strconv.Atoi() method as a parameter only.

Converting datatype variables is a common task we will use every day in our coding life, so let’s see how we can convert string to integer in Golang.

Follow the below tutorial if you are struggling in installing GO in windows.

https://aguidehub.com/blog/how-to-install-golang-in-windows/

Here, we will use strconv package to convert string to int and reflect for know the data type of veriable.

To check data type example := https://aguidehub.com/blog/how-to-check-data-type-in-golang

package main

import (
    "fmt"
    "os"
    "strconv"
    "reflect"
)

func main() {
    s := "123";
    // string to int
    i, err := strconv.Atoi(s)
    if err != nil {
        // handle error
        fmt.Println(err)
        os.Exit(2)
    }
    fmt.Print(reflect.TypeOf(s).Kind(), reflect.TypeOf(i).Kind())
}

Output

Output:

string int

Try it yourself

All the best 👍