diff --git a/bubbleseekbar/src/main/java/com/xw/repo/BubbleConfigBuilder.java b/bubbleseekbar/src/main/java/com/xw/repo/BubbleConfigBuilder.java
index f431109..9b12faf 100644
--- a/bubbleseekbar/src/main/java/com/xw/repo/BubbleConfigBuilder.java
+++ b/bubbleseekbar/src/main/java/com/xw/repo/BubbleConfigBuilder.java
@@ -48,6 +48,8 @@ public class BubbleConfigBuilder {
     boolean hideBubble;
     boolean rtl;
 
+    BubbleSeekBar.BubbleValueToTextConverter bubbleValueToTextConverter;
+
     private BubbleSeekBar mBubbleSeekBar;
 
     BubbleConfigBuilder(BubbleSeekBar bubbleSeekBar) {
@@ -228,6 +230,11 @@ public BubbleConfigBuilder rtl() {
         return this;
     }
 
+    public BubbleConfigBuilder bubbleValueToTextConverter (BubbleSeekBar.BubbleValueToTextConverter converter) {
+        this.bubbleValueToTextConverter = converter;
+        return this;
+    }
+
     public float getMin() {
         return min;
     }
@@ -359,4 +366,8 @@ public boolean isHideBubble() {
     public boolean isRtl() {
         return rtl;
     }
+
+    public BubbleSeekBar.BubbleValueToTextConverter getBubbleValueToTextConverter() {
+        return bubbleValueToTextConverter;
+    }
 }
diff --git a/bubbleseekbar/src/main/java/com/xw/repo/BubbleSeekBar.java b/bubbleseekbar/src/main/java/com/xw/repo/BubbleSeekBar.java
index 3b99bd1..9b70178 100644
--- a/bubbleseekbar/src/main/java/com/xw/repo/BubbleSeekBar.java
+++ b/bubbleseekbar/src/main/java/com/xw/repo/BubbleSeekBar.java
@@ -125,6 +125,8 @@ public class BubbleSeekBar extends View {
     private float mPreSecValue; // previous SectionValue
     private BubbleConfigBuilder mConfigBuilder; // config attributes
 
+    private BubbleValueToTextConverter mBubbleValueToTextConverter;
+
     public BubbleSeekBar(Context context) {
         this(context, null);
     }
@@ -205,8 +207,8 @@ public BubbleSeekBar(Context context, AttributeSet attrs, int defStyleAttr) {
 
         // init BubbleView
         mBubbleView = new BubbleView(context);
-        mBubbleView.setProgressText(isShowProgressInFloat ?
-                String.valueOf(getProgressFloat()) : String.valueOf(getProgress()));
+        mBubbleValueToTextConverter = new DefaultBubbleValueToTextConverter();
+        mBubbleView.setProgressText(mBubbleValueToTextConverter.convertValueToText(this, getProgress(), getProgressFloat(), isShowProgressInFloat));
 
         mLayoutParams = new WindowManager.LayoutParams();
         mLayoutParams.gravity = Gravity.START | Gravity.TOP;
@@ -721,8 +723,8 @@ public boolean onTouchEvent(MotionEvent event) {
                         mBubbleCenterRawX = calculateCenterRawXofBubbleView();
                         mLayoutParams.x = (int) (mBubbleCenterRawX + 0.5f);
                         mWindowManager.updateViewLayout(mBubbleView, mLayoutParams);
-                        mBubbleView.setProgressText(isShowProgressInFloat ?
-                                String.valueOf(getProgressFloat()) : String.valueOf(getProgress()));
+                        mBubbleView.setProgressText(mBubbleValueToTextConverter.convertValueToText(this, getProgress(), getProgressFloat(), isShowProgressInFloat));
+
                     }
 
                     invalidate();
@@ -856,8 +858,8 @@ public void onAnimationStart(Animator animation) {
                         mWindowManager.addView(mBubbleView, mLayoutParams);
                     }
                 }).start();
-        mBubbleView.setProgressText(isShowProgressInFloat ?
-                String.valueOf(getProgressFloat()) : String.valueOf(getProgress()));
+        mBubbleView.setProgressText(mBubbleValueToTextConverter.convertValueToText(this, getProgress(), getProgressFloat(), isShowProgressInFloat));
+
     }
 
     /**
@@ -897,8 +899,7 @@ public void onAnimationUpdate(ValueAnimator animation) {
                         mBubbleCenterRawX = calculateCenterRawXofBubbleView();
                         mLayoutParams.x = (int) (mBubbleCenterRawX + 0.5f);
                         mWindowManager.updateViewLayout(mBubbleView, mLayoutParams);
-                        mBubbleView.setProgressText(isShowProgressInFloat ?
-                                String.valueOf(getProgressFloat()) : String.valueOf(getProgress()));
+                        mBubbleView.setProgressText(mBubbleValueToTextConverter.convertValueToText(BubbleSeekBar.this, getProgress(), getProgressFloat(), isShowProgressInFloat));
                     }
 
                     invalidate();
@@ -1158,6 +1159,7 @@ void config(BubbleConfigBuilder builder) {
         mAlwaysShowBubbleDelay = builder.alwaysShowBubbleDelay;
         isHideBubble = builder.hideBubble;
         isRtl = builder.rtl;
+        mBubbleValueToTextConverter = builder.bubbleValueToTextConverter;
 
         initConfigByPriority();
         calculateRadiusOfBubble();
@@ -1210,6 +1212,7 @@ public BubbleConfigBuilder getConfigBuilder() {
         mConfigBuilder.alwaysShowBubbleDelay = mAlwaysShowBubbleDelay;
         mConfigBuilder.hideBubble = isHideBubble;
         mConfigBuilder.rtl = isRtl;
+        mConfigBuilder.bubbleValueToTextConverter = mBubbleValueToTextConverter;
 
         return mConfigBuilder;
     }
@@ -1231,8 +1234,7 @@ protected void onRestoreInstanceState(Parcelable state) {
             super.onRestoreInstanceState(bundle.getParcelable("save_instance"));
 
             if (mBubbleView != null) {
-                mBubbleView.setProgressText(isShowProgressInFloat ?
-                        String.valueOf(getProgressFloat()) : String.valueOf(getProgress()));
+                mBubbleView.setProgressText(mBubbleValueToTextConverter.convertValueToText(BubbleSeekBar.this, getProgress(), getProgressFloat(), isShowProgressInFloat));
             }
             setProgress(mProgress);
 
@@ -1305,6 +1307,13 @@ public interface CustomSectionTextArray {
         SparseArray<String> onCustomize(int sectionCount, @NonNull SparseArray<String> array);
     }
 
+    /**
+     * Customize the value text that is displayed inside the bubble. Works fine with maximal five characters
+     */
+    public interface BubbleValueToTextConverter {
+        String convertValueToText(BubbleSeekBar bubbleSeekBar, int progress, float progressFloat, Boolean isShowProgressInFloat);
+    }
+
     /***********************************************************************************************
      **************************************  custom bubble view  ***********************************
      **********************************************************************************************/
diff --git a/bubbleseekbar/src/main/java/com/xw/repo/DefaultBubbleValueToTextConverter.java b/bubbleseekbar/src/main/java/com/xw/repo/DefaultBubbleValueToTextConverter.java
new file mode 100644
index 0000000..9c80f81
--- /dev/null
+++ b/bubbleseekbar/src/main/java/com/xw/repo/DefaultBubbleValueToTextConverter.java
@@ -0,0 +1,13 @@
+package com.xw.repo;
+
+/**
+ * Created by ewojahn on 07.12.17.
+ */
+
+public class DefaultBubbleValueToTextConverter implements BubbleSeekBar.BubbleValueToTextConverter {
+    @Override
+    public String convertValueToText(BubbleSeekBar bubbleSeekBar, int progress, float progressFloat, Boolean isShowProgressInFloat) {
+        return isShowProgressInFloat ?
+                String.valueOf(progressFloat) : String.valueOf(progress);
+    }
+}