DART

convert minutes to seconds flutter

const Duration(minutes: 3).inSeconds

convert time in seconds to hours minutes seconds in dart

formatedTime({required int timeInSecond}) {
    int sec = time % 60;
    int min = (time / 60).floor();
    String minute = min.toString().length <= 1 ? "0$min" : "$min";
    String second = sec.toString().length <= 1 ? "0$sec" : "$sec";
    return "$minute : $second";
}

convert seconds to minutes in Dart

d = Duration(days: 0, hours: 1, minutes: 10, microseconds: 500);
d.toString();  // "1:10:00.000500"