C# Online Compiler | .NET Fiddle

using System; using System.Text; 
using System.Diagnostics; 
					
public static class Program
{
		/// <summary>
        ///  Human readable elapsed time Ticks using modern Action delegate, leaving out zero parts and variable length formatting 
        ///  https://metadataconsulting.blogspot.com/2019/07/C-Sharp-Human-Readable-Ticks-with-microsecond-and-nanosecond-units.html
        /// </summary>
        /// <param name="ticks">a long type</param>
        /// <returns>Human readable units place for microseconds & nanoseconds</returns>
        public static string HumanReadableTicks(this long ticks)
        {
            if (ticks == 0) return "0 ns";

            StringBuilder SB = new StringBuilder();

            Action<long, string, int> addUnittoSB =
            (val, displayunit, zeroplaces) =>
            {
                if (val > 0) //do not print this unit place if no value for it
                {
                    SB.AppendFormat(
                            " {0:DZ}X".Replace("X", displayunit)
                            .Replace("Z", zeroplaces.ToString())
                            , val
                        );
                }
            };

            var t = TimeSpan.FromTicks(ticks);

            //addActionToSringBuilder(timespan property, readable display displayunit, number of 0 placeholders)
            addUnittoSB((long)t.Days, "d", 1); //we have to convert to long to match Action signature
            addUnittoSB((long)t.Hours, "h", 1);
            addUnittoSB((long)t.Minutes, "m", 1);
            addUnittoSB((long)t.Seconds, "s", 1);
            addUnittoSB((long)t.Milliseconds, "ms", 3); //set milliseconds to 3 zero places (long) 
            addUnittoSB((long)((int)((t.TotalMilliseconds - (int)t.TotalMilliseconds) * 1000)), "µs", 3); //TotalMilliseconds is a double and has enough decimal places for accuracy here
            addUnittoSB((long)Convert.ToUInt64((((decimal)(t.Ticks * 100) % 1000))), "ns", 3); //1 tick is one hundred nanoseconds, get thousands place

            return SB.ToString().TrimStart();
        }
	
	public static void Main()
	{
		 Stopwatch sw = new Stopwatch();
		 Console.WriteLine("Human Readable Ticks program ran for"); 
		 sw.Start();
		 System.Threading.Thread.Sleep(1345);
		 sw.Stop();
		 Console.WriteLine(sw.ElapsedTicks + " ticks or "); 
		 Console.WriteLine(string.Format("{0:N0} nanoseconds (ns).",sw.ElapsedTicks*100));
		 Console.WriteLine("Human Readable format"); 
		 Console.WriteLine(sw.ElapsedTicks.HumanReadableTicks()); 
	}
}

 
using System; using System.Text; 
using System.Diagnostics; 
                    
public static class Program
{
        /// <summary>
        ///  Human readable elapsed time Ticks using modern Action delegate, leaving out zero parts and variable length formatting 
        ///  https://metadataconsulting.blogspot.com/2019/07/C-Sharp-Human-Readable-Ticks-with-microsecond-and-nanosecond-units.html
        /// </summary>
        /// <param name="ticks">a long type</param>
        /// <returns>Human readable units place for microseconds & nanoseconds</returns>
        public static string HumanReadableTicks(this long ticks)
        {
            if (ticks == 0) return "0 ns";
​
            StringBuilder SB = new StringBuilder();
​
            Action<long, string, int> addUnittoSB =
            (val, displayunit, zeroplaces) =>
            {
                if (val > 0) //do not print this unit place if no value for it
                {
                    SB.AppendFormat(
                            " {0:DZ}X".Replace("X", displayunit)