diff --git a/src/Humanizer/Localisation/NumberToWords/NorwegianBokmalNumberToWordsConverter.cs b/src/Humanizer/Localisation/NumberToWords/NorwegianBokmalNumberToWordsConverter.cs
index b8e2193a3..47e71e729 100644
--- a/src/Humanizer/Localisation/NumberToWords/NorwegianBokmalNumberToWordsConverter.cs
+++ b/src/Humanizer/Localisation/NumberToWords/NorwegianBokmalNumberToWordsConverter.cs
@@ -127,7 +127,7 @@ string Convert(int number, bool isOrdinal, GrammaticalGender gender)
             }
             else if (isOrdinal)
             {
-                parts[parts.Count - 1] += (number == 0 ? "" : "en") + (millionOrMore ? "te" : "de");
+                parts[^1] += (number == 0 ? "" : "en") + (millionOrMore ? "te" : "de");
             }
 
             var toWords = string.Concat(parts).Trim();
diff --git a/src/Humanizer/Localisation/NumberToWords/TamilNumberToWordsConverter.cs b/src/Humanizer/Localisation/NumberToWords/TamilNumberToWordsConverter.cs
index f2e9e6da9..20c853b3f 100644
--- a/src/Humanizer/Localisation/NumberToWords/TamilNumberToWordsConverter.cs
+++ b/src/Humanizer/Localisation/NumberToWords/TamilNumberToWordsConverter.cs
@@ -78,7 +78,7 @@ string ConvertImpl(long number, bool isOrdinal)
             if (number > 0)
                 parts.Add(GetTensValue(number, isOrdinal));
             else if (isOrdinal)
-                parts[parts.Count - 1] += "வது";
+                parts[^1] += "வது";
 
             var toWords = string.Join(" ", parts);
 
diff --git a/src/Humanizer/Localisation/NumberToWords/TurkishNumberToWordConverter.cs b/src/Humanizer/Localisation/NumberToWords/TurkishNumberToWordConverter.cs
index 553913d3d..44e3cd78d 100644
--- a/src/Humanizer/Localisation/NumberToWords/TurkishNumberToWordConverter.cs
+++ b/src/Humanizer/Localisation/NumberToWords/TurkishNumberToWordConverter.cs
@@ -120,7 +120,7 @@ public override string ConvertToOrdinal(int number)
                 }
             }
 
-            if (word[word.Length - 1] == 't')
+            if (word[^1] == 't')
             {
                 word = word.Substring(0, word.Length - 1) + 'd';
             }
diff --git a/src/Humanizer/Localisation/NumberToWords/UzbekCyrlNumberToWordConverter.cs b/src/Humanizer/Localisation/NumberToWords/UzbekCyrlNumberToWordConverter.cs
index 1a1a070cd..50af6f60f 100644
--- a/src/Humanizer/Localisation/NumberToWords/UzbekCyrlNumberToWordConverter.cs
+++ b/src/Humanizer/Localisation/NumberToWords/UzbekCyrlNumberToWordConverter.cs
@@ -85,7 +85,7 @@ public override string ConvertToOrdinal(int number)
                 return string.Empty;
             }
 
-            var lastChar = word[word.Length - 1];
+            var lastChar = word[^1];
             if (lastChar is 'и' or 'а')
             {
                 i = 1;
diff --git a/src/Humanizer/Localisation/NumberToWords/UzbekLatnNumberToWordConverter.cs b/src/Humanizer/Localisation/NumberToWords/UzbekLatnNumberToWordConverter.cs
index 6df6dbdcb..6805102db 100644
--- a/src/Humanizer/Localisation/NumberToWords/UzbekLatnNumberToWordConverter.cs
+++ b/src/Humanizer/Localisation/NumberToWords/UzbekLatnNumberToWordConverter.cs
@@ -85,7 +85,7 @@ public override string ConvertToOrdinal(int number)
                 return string.Empty;
             }
 
-            var lastChar = word[word.Length - 1];
+            var lastChar = word[^1];
             if (lastChar is 'i' or 'a')
             {
                 i = 1;
diff --git a/src/Humanizer/MetricNumeralExtensions.cs b/src/Humanizer/MetricNumeralExtensions.cs
index c9542294c..a0ffbf1b0 100644
--- a/src/Humanizer/MetricNumeralExtensions.cs
+++ b/src/Humanizer/MetricNumeralExtensions.cs
@@ -98,7 +98,7 @@ static MetricNumeralExtensions()
         public static double FromMetric(this string input)
         {
             input = CleanRepresentation(input);
-            return BuildNumber(input, input[input.Length - 1]);
+            return BuildNumber(input, input[^1]);
         }
 
         /// <summary>