flutter round of to 1 decimal code example

Example 1: double variable into 2 decimal places flutter

double num1 = double.parse((12.3412).toStringAsFixed(2));
// 12.34

double num2 = double.parse((12.5668).toStringAsFixed(2));
// 12.57

double num3 = double.parse((-12.3412).toStringAsFixed(2));
// -12.34

double num4 = double.parse((-12.3456).toStringAsFixed(2));
// -12.35

Example 2: flutter round up double

int doubleRoundUp = doubleToRoundUp.ceil();