how to convert uint64 to string in golang?

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To convert uint64 to string in golang, just use the strconv.FormatUint() method and pass your integer, it will convert uint64 to string.

Important Points

Difference between int and uint

UInt does not allow for negative numbers.

uint’s and int’s max value

uint8  : 0 to 255 
uint16 : 0 to 65535 
uint32 : 0 to 4294967295 
uint64 : 0 to 18446744073709551615 
int8   : -128 to 127 
int16  : -32768 to 32767 
int32  : -2147483648 to 2147483647 
int64  : -9223372036854775808 to 9223372036854775807

Today, I will show you how do I convert uint64 to string in golang, as mentioned above I’m going to use the strconv.FormatUint() way.

The strconv package provide strconv.FormatUint() method.

Let’s start our Golang convert uint64 to string example

Convert uint64 to string example

main.go

package main

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

func main() {
  var i uint64 = 184469551615
  fmt.Println(i, reflect.TypeOf(i))

  s := strconv.FormatUint(i, 10)
  fmt.Println(s, reflect.TypeOf(s))
}

In the above example, we have converted uint64 to string and printed it in the golang console. let’s check the output.

Output

184469551615 uint64
184469551615 string

Try it Yourself

I hope it helps you, All the best 👍.