Admin.Posts.AddEntry.SizeFormat C# (CSharp) Method

        private static string SizeFormat(float size, string formatString)
        {
            if (size < 1024)
            {
                return string.Format("{0} bytes", size.ToString(formatString));
            }

            if (size < Math.Pow(1024, 2))
            {
                return string.Format("{0} kb", (size / 1024).ToString(formatString));
            }

            if (size < Math.Pow(1024, 3))
            {
                return string.Format("{0} mb", (size / Math.Pow(1024, 2)).ToString(formatString));
            }

            if (size < Math.Pow(1024, 4))
            {
                return string.Format("{0} gb", (size / Math.Pow(1024, 3)).ToString(formatString));
            }

            return size.ToString(formatString);
        }