diff --git a/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsFragment.kt b/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsFragment.kt
index 1d460af..8beb899 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsFragment.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsFragment.kt
@@ -26,6 +26,7 @@ import kr.co.vividnext.sodalive.common.LoadingDialog
 import kr.co.vividnext.sodalive.databinding.FragmentRouletteSettingsBinding
 import kr.co.vividnext.sodalive.live.roulette.RoulettePreviewDialog
 import org.koin.android.ext.android.inject
+import java.util.Locale
 import java.util.concurrent.TimeUnit
 
 class RouletteSettingsFragment : BaseFragment<FragmentRouletteSettingsBinding>(
@@ -103,6 +104,7 @@ class RouletteSettingsFragment : BaseFragment<FragmentRouletteSettingsBinding>(
         }
     }
 
+    @SuppressLint("SetTextI18n")
     private fun bindData() {
         viewModel.selectedRouletteLiveData.observe(viewLifecycleOwner) {
             deselectAllRoulette()
@@ -162,6 +164,16 @@ class RouletteSettingsFragment : BaseFragment<FragmentRouletteSettingsBinding>(
             ).show()
         }
 
+        viewModel.totalPercentageLiveData.observe(viewLifecycleOwner) {
+            binding.tvTotalPercentage.text = "( ${
+                String.format(
+                    Locale.KOREAN,
+                    "%.2f%%",
+                    it
+                )
+            } )"
+        }
+
         compositeDisposable.add(
             binding.etSetPrice.textChanges().skip(1)
                 .debounce(100, TimeUnit.MILLISECONDS)
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsViewModel.kt b/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsViewModel.kt
index 93a4d2e..c20149c 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsViewModel.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsViewModel.kt
@@ -47,6 +47,10 @@ class RouletteSettingsViewModel(private val repository: RouletteRepository) : Ba
     val selectedRouletteLiveData: LiveData<SelectedRoulette>
         get() = _selectedRouletteLiveData
 
+    private val _totalPercentageLiveData = MutableLiveData(0f)
+    val totalPercentageLiveData: LiveData<Float>
+        get() = _totalPercentageLiveData
+
     var can = 0
     var isActive = false
     private var rouletteId = 0L
@@ -58,6 +62,7 @@ class RouletteSettingsViewModel(private val repository: RouletteRepository) : Ba
         if (options.size >= 10) return
         options.add(newOption)
         _optionsLiveData.value = options
+        calculateTotalPercentage()
     }
 
     fun deleteOption(index: Int) {
@@ -74,6 +79,7 @@ class RouletteSettingsViewModel(private val repository: RouletteRepository) : Ba
     fun inputOptionPercentage(optionIndex: Int, percentage: String) {
         val currentOption = options[optionIndex]
         options[optionIndex] = currentOption.copy(percentage = percentage)
+        calculateTotalPercentage()
     }
 
     fun toggleIsActive() {
@@ -339,15 +345,30 @@ class RouletteSettingsViewModel(private val repository: RouletteRepository) : Ba
                 isActive = false
 
                 options.clear()
-                options.add(RouletteOption(title = "", percentage = "50.00"))
-                options.add(RouletteOption(title = "", percentage = "50.00"))
+                options.add(RouletteOption(title = "", percentage = ""))
+                options.add(RouletteOption(title = "", percentage = ""))
                 _optionsLiveData.value = options
             }
+
+            calculateTotalPercentage()
         }
     }
 
     private fun removeAllAndAddOptions(options: List<RouletteOption>) {
         this.options.clear()
         this.options.addAll(options)
+        calculateTotalPercentage()
+    }
+
+    private fun calculateTotalPercentage() {
+        val totalPercent = options.map {
+            try {
+                it.percentage.toFloat()
+            } catch (e: Exception) {
+                0f
+            }
+        }.sum()
+
+        _totalPercentageLiveData.value = totalPercent
     }
 }
diff --git a/app/src/main/res/layout/fragment_roulette_settings.xml b/app/src/main/res/layout/fragment_roulette_settings.xml
index 80397bc..7603ecc 100644
--- a/app/src/main/res/layout/fragment_roulette_settings.xml
+++ b/app/src/main/res/layout/fragment_roulette_settings.xml
@@ -219,11 +219,37 @@
                     android:src="@drawable/btn_add" />
             </RelativeLayout>
 
+            <RelativeLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="21.3dp">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_centerVertical="true"
+                    android:text="옵션 확률 합계"
+                    android:textColor="@color/color_eeeeee"
+                    android:textSize="14.7sp"
+                    tools:ignore="RelativeOverlap" />
+
+                <TextView
+                    android:id="@+id/tv_total_percentage"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_alignParentEnd="true"
+                    android:layout_centerVertical="true"
+                    android:fontFamily="@font/gmarket_sans_medium"
+                    android:gravity="center"
+                    android:textColor="@color/color_eeeeee"
+                    android:textSize="14.7sp"
+                    tools:text="( 100.00% )" />
+            </RelativeLayout>
+
             <LinearLayout
                 android:id="@+id/ll_roulette_option_container"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_marginTop="21.3dp"
                 android:orientation="vertical" />
         </LinearLayout>
     </ScrollView>