diff --git a/source/Grabacr07.KanColleViewer/ViewModels/Contents/ShipViewModel.cs b/source/Grabacr07.KanColleViewer/ViewModels/Contents/ShipViewModel.cs
index 1a0dbcd4b..0dd550bc8 100644
--- a/source/Grabacr07.KanColleViewer/ViewModels/Contents/ShipViewModel.cs
+++ b/source/Grabacr07.KanColleViewer/ViewModels/Contents/ShipViewModel.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
+using Grabacr07.KanColleViewer.Properties;
 using Grabacr07.KanColleWrapper.Models;
 using Livet;
 
@@ -11,6 +12,14 @@ public class ShipViewModel : ViewModel
 	{
 		public Ship Ship { get; }
 
+		public string RepairToolTip => 
+			!((this.Ship.HP.Maximum - this.Ship.HP.Current) > 0) ? 
+				"OK" : 
+				string.Format(Resources.Ship_RepairDockToolTip, this.Ship.RepairTimeDock) 
+				+ ((((this.Ship.HP.Current / (double)this.Ship.HP.Maximum) > 0.5) && this.Ship.RepairTimeFacility != this.Ship.RepairTimeDock) ? 
+					"\n" + string.Format(Resources.Ship_RepairFacilityToolTip, this.Ship.RepairTimeFacility) : 
+					"");
+
 		public ShipViewModel(Ship ship)
 		{
 			this.Ship = ship;
diff --git a/source/Grabacr07.KanColleViewer/Views/Contents/Fleets.xaml b/source/Grabacr07.KanColleViewer/Views/Contents/Fleets.xaml
index 793b2f693..c2063261d 100644
--- a/source/Grabacr07.KanColleViewer/Views/Contents/Fleets.xaml
+++ b/source/Grabacr07.KanColleViewer/Views/Contents/Fleets.xaml
@@ -328,7 +328,8 @@
 											   Grid.Column="4"
 											   Grid.Row="0"
 											   Margin="10,0,10,10"
-											   Grid.RowSpan="2">
+											   Grid.RowSpan="2"
+											   ToolTip="{Binding RepairToolTip, Mode=OneWay}">
 										<Run Text="HP:" />
 										<Run Text="{Binding Ship.HP.Current, Mode=OneWay}"
 											 Style="{DynamicResource EmphaticTextElementStyleKey}" />
diff --git a/source/Grabacr07.KanColleViewer/Views/Contents/Overview.xaml b/source/Grabacr07.KanColleViewer/Views/Contents/Overview.xaml
index 79b469919..80085035e 100644
--- a/source/Grabacr07.KanColleViewer/Views/Contents/Overview.xaml
+++ b/source/Grabacr07.KanColleViewer/Views/Contents/Overview.xaml
@@ -200,7 +200,7 @@
 													<RowDefinition Height="Auto" />
 													<RowDefinition Height="Auto" />
 												</Grid.RowDefinitions>
-												<TextBlock>
+												<TextBlock ToolTip="{Binding RepairToolTip, Mode=OneWay}">
 													<Run Text="HP:" />
 													<Run Text="{Binding Ship.HP.Current, Mode=OneWay}"
 														 Style="{DynamicResource EmphaticTextElementStyleKey}" />
diff --git a/source/Grabacr07.KanColleWrapper/Models/Ship.cs b/source/Grabacr07.KanColleWrapper/Models/Ship.cs
index b1fae023d..d109fa829 100644
--- a/source/Grabacr07.KanColleWrapper/Models/Ship.cs
+++ b/source/Grabacr07.KanColleWrapper/Models/Ship.cs
@@ -61,6 +61,12 @@ public class Ship : RawDataWrapper<kcsapi_ship2>, IIdentifiable
 		/// </summary>
 		public int ExpForLevelMax => Experience.GetShipExpForSpecifiedLevel(this.Exp, 150);
 
+		public TimeSpan RepairTimeDock => 
+			TimeSpan.FromSeconds(Math.Floor(BaseRepairTime(this.Level) * (this.HP.Maximum - this.HP.Current) * this.Info.ShipType.RepairMultiplier) + 30);
+
+		public TimeSpan RepairTimeFacility => 
+			(BaseRepairTime() < 1200) ? this.RepairTimeDock : TimeSpan.FromMinutes((this.HP.Maximum - this.HP.Current) * 20);
+
 		#region HP 変更通知プロパティ
 
 		private LimitedValue _HP;
@@ -387,6 +393,9 @@ internal void Repair()
 			this.HP = this.HP.Update(max);
 		}
 
+		private double BaseRepairTime(double level = 1.0) => 
+			(Math.Min(level, 150) * ((level < 12) ? 10 : 5) + ((level < 12) ? 0 : (Math.Floor(Math.Sqrt(level - 11) * 10 + 50))));
+
 		public override string ToString()
 		{
 			return $"ID = {this.Id}, Name = \"{this.Info.Name}\", ShipType = \"{this.Info.ShipType.Name}\", Level = {this.Level}";
diff --git a/source/Grabacr07.KanColleWrapper/Models/ShipType.cs b/source/Grabacr07.KanColleWrapper/Models/ShipType.cs
index 04da4dcc2..806ade7cd 100644
--- a/source/Grabacr07.KanColleWrapper/Models/ShipType.cs
+++ b/source/Grabacr07.KanColleWrapper/Models/ShipType.cs
@@ -26,15 +26,151 @@ public override string ToString()
 			return $"ID = {this.Id}, Name = \"{this.Name}\"";
 		}
 
+		public double RepairMultiplier
+		{
+			get
+			{
+				switch ((ShipTypeId)this.Id)
+				{
+					case ShipTypeId.Submarine:
+						return 0.5;
+					case ShipTypeId.HeavyCruiser:
+					case ShipTypeId.AerialCruiser:
+					case ShipTypeId.FastBattleship:
+					case ShipTypeId.LightAircraftCarrier:
+					case ShipTypeId.SubmarineTender:
+						return 1.5;
+					case ShipTypeId.Battleship:
+					case ShipTypeId.Superdreadnought:
+					case ShipTypeId.AerialBattleship:
+					case ShipTypeId.AircraftCarrier:
+					case ShipTypeId.ArmoredAircraftCarrier:
+					case ShipTypeId.RepairShip:
+						return 2;
+					default:
+						return 1;
+				}
+			}
+		}
+
 		#region static members
 
-	    public static ShipType Dummy { get; } = new ShipType(new kcsapi_mst_stype
+		public static ShipType Dummy { get; } = new ShipType(new kcsapi_mst_stype
 		{
 		    api_id = 999,
 		    api_sortno = 999,
 		    api_name = "不審船",
 		});
 
-	    #endregion
+		#endregion
+
+		public enum ShipTypeId
+		{
+			Unknown = 0,
+
+			/// <summary>
+			/// 海防艦。
+			/// </summary>
+			EscortShip = 1,
+
+			/// <summary>
+			/// 駆逐艦。
+			/// </summary>
+			Destroyer = 2,
+
+			/// <summary>
+			/// 軽巡洋艦。
+			/// </summary>
+			LightCruiser = 3,
+
+			/// <summary>
+			/// 重雷装巡洋艦。
+			/// </summary>
+			TorpedoCruiser = 4,
+
+			/// <summary>
+			/// 重巡洋艦。
+			/// </summary>
+			HeavyCruiser = 5,
+
+			/// <summary>
+			/// 航空巡洋艦。
+			/// </summary>
+			AerialCruiser = 6,
+
+			/// <summary>
+			/// 軽空母。
+			/// </summary>
+			LightAircraftCarrier = 7,
+
+			/// <summary>
+			/// 高速戦艦。
+			/// </summary>
+			FastBattleship = 8,
+
+			/// <summary>
+			/// 戦艦。
+			/// </summary>
+			Battleship = 9,
+
+			/// <summary>
+			/// 航空戦艦。
+			/// </summary>
+			AerialBattleship = 10,
+
+			/// <summary>
+			/// 正規空母。
+			/// </summary>
+			AircraftCarrier = 11,
+
+			/// <summary>
+			/// 超弩級戦艦。
+			/// </summary>
+			Superdreadnought = 12,
+
+			/// <summary>
+			/// 潜水艦。
+			/// </summary>
+			Submarine = 13,
+
+			/// <summary>
+			/// 潜水空母。
+			/// </summary>
+			AircraftCarryingSubmarine = 14,
+
+			/// <summary>
+			/// 補給艦。
+			/// </summary>
+			ReplenishmentOiler = 15,
+
+			/// <summary>
+			/// 水上機母艦。
+			/// </summary>
+			SeaplaneCarrier = 16,
+
+			/// <summary>
+			/// 揚陸艦
+			/// </summary>
+			AmphibiousAssault = 17,
+
+			/// <summary>
+			/// 装甲空母
+			/// </summary>
+			ArmoredAircraftCarrier = 18,
+
+			/// <summary>
+			/// 工作艦
+			/// </summary>
+			RepairShip = 19,
+
+			/// <summary>
+			/// 潜水母艦
+			/// </summary>
+			SubmarineTender = 20,
+
+			TrainingCruiser = 21,
+
+			FleetOiler = 22,
+		}
 	}
 }