void setup() {
  Serial.begin(115200);
  Serial.println("**** Kilograms to pounds calculator ****");
}

void loop() {
  Serial.print("Please enter weight in kg: ");
  while (Serial.available() == 0) {
  }
  float weightKg = Serial.parseFloat();
  Serial.println(weightKg);
  float weightLbs = weightKg * 2.2046;
  Serial.print("Weight in pounds: ");
  Serial.println(weightLbs);
}