Convert milliseconds to readable string

 
public class Timing {
  public static double round1(double value) {
    return Math.round(value * 10.0) / 10.0;
  }

  public static String getElapsedText(long elapsedMillis) {
    if(elapsedMillis < 60000) {
      double unit = round1(elapsedMillis / 1000.0);
      return unit + (unit == 1 ? " second" : " seconds");
    }
    else if(elapsedMillis < 60000 * 60) {
      double unit = round1(elapsedMillis / 60000.0);
      return unit + (unit == 1 ? " minute" : " minutes");
    }
    else if(elapsedMillis < 60000 * 60 * 24) {
      double unit = round1(elapsedMillis / (60000.0 * 60));
      return unit + (unit == 1 ? " hour" : " hours");
    }
    else {
      double unit = round1(elapsedMillis / (60000.0 * 60 * 24));
      return unit + (unit == 1 ? " day" : " days");
    }
  }
}