diff --git a/src/main/java/segelzwerg/sporttooolbox/web/pace/PaceService.java b/src/main/java/segelzwerg/sporttooolbox/web/pace/PaceService.java
index 20f4e69c..06022c84 100644
--- a/src/main/java/segelzwerg/sporttooolbox/web/pace/PaceService.java
+++ b/src/main/java/segelzwerg/sporttooolbox/web/pace/PaceService.java
@@ -7,6 +7,10 @@
 import segelzwerg.sporttooolbox.SpeedCalculator;
 import segelzwerg.sporttooolbox.web.speed.SpeedForm;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 
 /**
  * Pace calculating service
@@ -14,6 +18,8 @@
 @Component
 public class PaceService {
 
+    List<String> validPaceUnits = new ArrayList<>(Arrays.asList("minutesPerKilometer", "minutesPerHundredMeters"));
+
     /**
      * calulates pace
      *
@@ -23,6 +29,9 @@ public class PaceService {
     public Pace calculatePace(SpeedForm form) {
         String majorUnit = ((majorUnit = form.getDistanceMajorUnit()) != null) ? majorUnit : "kilometer";
         String minorUnit = ((minorUnit = form.getDistanceMinorUnit()) != null) ? minorUnit : "meter";
+        String resultUnit = ((resultUnit = form.getResultUnit()) != null) ? resultUnit : "minutesPerKilometer";
+
+        checkValidUnit(validPaceUnits, resultUnit);
         int major = form.getMajor();
         int minor = form.getMinor();
         Distance distance = Distance.createWithOtherThanSIUnits(major, minor, majorUnit, minorUnit);
@@ -36,4 +45,10 @@ public Pace calculatePace(SpeedForm form) {
 
         return speedCalculator.computePace();
     }
+
+    private void checkValidUnit(List<String> validUnits, String unit) {
+        if (!validUnits.contains(unit)) {
+            throw new IllegalArgumentException("This is not a valid unit: " + unit);
+        }
+    }
 }
diff --git a/src/main/java/segelzwerg/sporttooolbox/web/speed/SpeedForm.java b/src/main/java/segelzwerg/sporttooolbox/web/speed/SpeedForm.java
index f8b78855..2523e735 100644
--- a/src/main/java/segelzwerg/sporttooolbox/web/speed/SpeedForm.java
+++ b/src/main/java/segelzwerg/sporttooolbox/web/speed/SpeedForm.java
@@ -11,4 +11,5 @@ public class SpeedForm {
     private int second;
     private String distanceMajorUnit;
     private String distanceMinorUnit;
+    private String resultUnit;
 }
diff --git a/src/main/java/segelzwerg/sporttooolbox/web/speed/SpeedService.java b/src/main/java/segelzwerg/sporttooolbox/web/speed/SpeedService.java
index 41824099..470106c7 100644
--- a/src/main/java/segelzwerg/sporttooolbox/web/speed/SpeedService.java
+++ b/src/main/java/segelzwerg/sporttooolbox/web/speed/SpeedService.java
@@ -6,11 +6,16 @@
 import segelzwerg.sporttooolbox.IUnits.Time;
 import segelzwerg.sporttooolbox.SpeedCalculator;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 /**
  * Speed calculating service
  */
 @Component
 public class SpeedService {
+    List<String> validSpeedUnits = new ArrayList<>(Arrays.asList("kilometerPerHour", "milesPerHour", "knots"));
 
     /**
      * Calculate speed
@@ -19,8 +24,13 @@ public class SpeedService {
      * @return calculated speed
      */
     public Speed calculateSpeed(SpeedForm form) {
+
         String majorUnit = ((majorUnit = form.getDistanceMajorUnit()) != null) ? majorUnit : "kilometer";
         String minorUnit = ((minorUnit = form.getDistanceMinorUnit()) != null) ? minorUnit : "meter";
+        String resultUnit = ((resultUnit = form.getResultUnit()) != null) ? resultUnit : "kilometerPerHour";
+
+        checkValidUnit(validSpeedUnits, resultUnit);
+
         int major = form.getMajor();
         int minor = form.getMinor();
         Distance distance = Distance.createWithOtherThanSIUnits(major, minor, majorUnit, minorUnit);
@@ -35,5 +45,10 @@ public Speed calculateSpeed(SpeedForm form) {
         return speedCalculator.computeSpeed();
     }
 
+    private void checkValidUnit(List<String> validUnits, String unit) {
+        if (!validUnits.contains(unit)) {
+            throw new IllegalArgumentException("This is not a valid unit: " + unit);
+        }
+    }
 
 }
diff --git a/src/main/resources/templates/PaceForm.html b/src/main/resources/templates/PaceForm.html
index 09314a03..fb1437ec 100644
--- a/src/main/resources/templates/PaceForm.html
+++ b/src/main/resources/templates/PaceForm.html
@@ -60,6 +60,14 @@ <h1>Pace Calculator</h1>
                                    type="text" value="0">
                         </label>
                         </div>
+                        <div class="form-group">
+                            <label> Result Unit</label>
+                            <select class="form-control w-auto" th:field="*{resultUnit}">
+                                <option th:text="'Minutes per Kilometer'" th:value="minutesPerKilometer">kmh</option>
+                                <option th:text="'Minutes per 100 Meter'" th:value="minutesPerHundredMeters">mph
+                                </option>
+                            </select>
+                        </div>
                         <button class="btn btn-primary" type="submit">Calculate</button>
                     </form>
                 </div>
@@ -72,7 +80,7 @@ <h1>Pace Calculator</h1>
                 <div class="card-body">
                     <h5 class="card-title">Pace</h5>
                     <p class="card-text">
-                        The average pace is <span th:text="${pace?.minutesPerKilometer.toString()}">30</span> Minutes
+                        The average pace is <span th:text="${pace?.__${form.resultUnit}__.toString()}">30</span> Minutes
                         per
                         Kilometer
                         for travelling <span th:text="${form.major}">30</span> <span
diff --git a/src/main/resources/templates/SpeedForm.html b/src/main/resources/templates/SpeedForm.html
index 64ade9b1..d9770176 100644
--- a/src/main/resources/templates/SpeedForm.html
+++ b/src/main/resources/templates/SpeedForm.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
 <head>
     <meta charset="UTF-8">
     <link href="../static/bootstrap.min.css" rel="stylesheet"
@@ -61,6 +61,14 @@ <h1>Speed Calculator</h1>
                                    type="text" value="0">
                         </label>
                         </div>
+                        <div class="form-group">
+                            <label> Result Unit</label>
+                            <select class="form-control w-auto" th:field="*{resultUnit}">
+                                <option th:text="kph" th:value="kilometerPerHour">kmh</option>
+                                <option th:text="mph" th:value="milesPerHour">mph</option>
+                                <option th:text="knots" th:value="knots">knots</option>
+                            </select>
+                        </div>
                         <button class="btn btn-primary" type="submit">Calculate</button>
                     </form>
                 </div>
@@ -73,7 +81,8 @@ <h1>Speed Calculator</h1>
                 <div class="card-body">
                     <h5 class="card-title">Speed</h5>
                     <p class="card-text">
-                        The average speed is <span th:text="${speed?.kilometerPerHour.speed}">30</span> km/h
+                        The average speed is <span th:text="${speed?.__${form.resultUnit}__.speed}">30</span> <span
+                            th:text="${form.resultUnit}">km/H</span>
                         for travelling <span th:text="${form.major}">30</span> <span
                             th:text="${form.distanceMajorUnit}">kilometer</span> and <span
                             th:text="${form.minor}">0</span> <span th:text="${form.distanceMinorUnit}">meter</span> in
diff --git a/src/test/java/segelzwerg/sporttooolbox/web/pace/PaceServiceTest.java b/src/test/java/segelzwerg/sporttooolbox/web/pace/PaceServiceTest.java
index a1ea1266..b69cbef9 100644
--- a/src/test/java/segelzwerg/sporttooolbox/web/pace/PaceServiceTest.java
+++ b/src/test/java/segelzwerg/sporttooolbox/web/pace/PaceServiceTest.java
@@ -46,4 +46,11 @@ void invalidMinorUnit() {
 
         assertThrows(IllegalArgumentException.class, () -> paceService.calculatePace(paceForm));
     }
+
+    @Test
+    void invalidResultUnit() {
+        paceForm.setResultUnit("abc");
+
+        assertThrows(IllegalArgumentException.class, () -> paceService.calculatePace(paceForm));
+    }
 }
\ No newline at end of file
diff --git a/src/test/java/segelzwerg/sporttooolbox/web/speed/SpeedServiceTest.java b/src/test/java/segelzwerg/sporttooolbox/web/speed/SpeedServiceTest.java
index e2fb3c0a..0c7a6ccc 100644
--- a/src/test/java/segelzwerg/sporttooolbox/web/speed/SpeedServiceTest.java
+++ b/src/test/java/segelzwerg/sporttooolbox/web/speed/SpeedServiceTest.java
@@ -45,4 +45,11 @@ void invalidMinorUnit() {
 
         assertThrows(IllegalArgumentException.class, () -> speedService.calculateSpeed(speedForm));
     }
+
+    @Test
+    void invalidResultUnit() {
+        speedForm.setResultUnit("abc");
+
+        assertThrows(IllegalArgumentException.class, () -> speedService.calculateSpeed(speedForm));
+    }
 }
\ No newline at end of file