CODE EXAMPLE FOR DART

format currency flutter

import 'package:intl/intl.dart';

final oCcy = new NumberFormat("#,##0.00", "en_US");

void main () {

  print("Eg. 1: ${oCcy.format(123456789.75)}");
  print("Eg. 2: ${oCcy.format(.7)}");
  print("Eg. 3: ${oCcy.format(12345678975/100)}");
  print("Eg. 4: ${oCcy.format(int.parse('12345678975')/100)}");
  print("Eg. 5: ${oCcy.format(double.parse('123456789.75'))}");

/* Output :  

Eg. 1: 123,456,789.75
Eg. 2: 0.70
Eg. 3: 123,456,789.75
Eg. 4: 123,456,789.75
Eg. 5: 123,456,789.75


 pubspec.yaml :

  name: testCcy002
  version: 0.0.1
  author: BOH
  description: Test Currency Format from intl.
  dev_dependencies:
    intl: any

   Run pub install to install "intl"  
*/
}