기본 코드 import 'dart:typed_data'; void main() { //String hexStr = '3075'; String hexStr = 'd7fff945'; // 7999.98 //String num = '1000'; //hexStr = int.parse(num, radix: 10).toRadixString(16); //int ihex = int.parse(hexFt, radix: 16); if(hexStr.length%2 != 0) hexStr = '0'+hexStr; print(hexStr); double ff = 7999.98; print(ff); var bd = ByteData(4); bd.setFloat32(0, ff); print(bd.getUint32(0,Endian.l..