int echo=6;
int trig=8;

void setup()
{
  pinMode(trig,OUTPUT);
  pinMode(echo,INPUT);
  Serial.begin(9600);
}

void loop()
{
  long x;
  int distance;
  digitalWrite(trig,LOW);
  delayMicroseconds(2);
  digitalWrite(trig,HIGH);
  delayMicroseconds(10);
  digitalWrite(trig,LOW);
  x=pulseIn(echo,HIGH);
  distance=x*(0.034/2);
  Serial.println("Calculated Distance: ");
  Serial.print(distance);
  Serial.println("cm");
}