dart convert to double code example

Example 1: dart convert int to double

int intVar = 5;
double doubleVar = intVar.toDouble();

Example 2: double to int flutter

double x = 2.5;
 
  int a = x.toInt();
  int b = x.truncate();
  int c = x.round();
  int d = x.ceil();
  int e = x.floor();
 
  print(a); // 2
  print(b); // 2
  print(c); // 3
  print(d); // 3
  print(3); // 2

Example 3: string to int in dart

import 'dart:convert';

void main() {
    var a = 10; // An integer
    var b = "20"; // A string
    var c = int.parse(b);
    print(a + c);
}

Example 4: convert string to double flutter

var long2 = double.parse("STRING");