diff --git a/Services/server/src/controllers/cabinetController.ts b/Services/server/src/controllers/cabinetController.ts
index 463cb43..ec6a6a2 100644
--- a/Services/server/src/controllers/cabinetController.ts
+++ b/Services/server/src/controllers/cabinetController.ts
@@ -182,4 +182,21 @@ export class CabinetController extends Controller {
 
     return this.setStatus(HttpStatusCode.NO_CONTENT);
   }
+
+  /**
+   * @example cabinetName "ตู้เอกสาร 1"
+   */
+  @Get("/{cabinetName}/size")
+  @Tags("ตู้เอกสาร")
+  @Security("bearerAuth")
+  @SuccessResponse(HttpStatusCode.OK, "สำเร็จ")
+  public async calc(@Path() cabinetName: string) {
+    const list = await listItem(DEFAULT_BUCKET!, `${cabinetName}/`, true).catch((e) =>
+      console.error(`Error List Folder: ${e}`),
+    );
+
+    if (!list) throw new Error("เกิดข้อผิดพลาด ไม่สามารถแสดงรายการแฟ้มได้ กรุณาลองใหม่ในภายหลัง");
+
+    return { size: list.reduce<number>((a, c) => a + c.size, 0) };
+  }
 }
diff --git a/Services/server/src/controllers/drawerController.ts b/Services/server/src/controllers/drawerController.ts
index 9d3a505..1bf437d 100644
--- a/Services/server/src/controllers/drawerController.ts
+++ b/Services/server/src/controllers/drawerController.ts
@@ -203,4 +203,22 @@ export class DrawerController extends Controller {
 
     return this.setStatus(HttpStatusCode.NO_CONTENT);
   }
+
+  /**
+   * @example cabinetName "ตู้เอกสาร 1"
+   * @example drawerName "ลิ้นชัก 1"
+   */
+  @Get("/{drawerName}/size")
+  @Tags("ลิ้นชัก")
+  @Security("bearerAuth")
+  @SuccessResponse(HttpStatusCode.OK, "สำเร็จ")
+  public async calc(@Path() cabinetName: string, @Path() drawerName: string) {
+    const list = await listItem(DEFAULT_BUCKET!, `${cabinetName}/${drawerName}/`, true).catch((e) =>
+      console.error(`Error List Folder: ${e}`),
+    );
+
+    if (!list) throw new Error("เกิดข้อผิดพลาด ไม่สามารถแสดงรายการแฟ้มได้ กรุณาลองใหม่ในภายหลัง");
+
+    return { size: list.reduce<number>((a, c) => a + c.size, 0) };
+  }
 }
diff --git a/Services/server/src/controllers/folderController.ts b/Services/server/src/controllers/folderController.ts
index 9a2e663..f1567e8 100644
--- a/Services/server/src/controllers/folderController.ts
+++ b/Services/server/src/controllers/folderController.ts
@@ -215,4 +215,29 @@ export class FolderController extends Controller {
 
     return this.setStatus(HttpStatusCode.NO_CONTENT);
   }
+
+  /**
+   * @example cabinetName "ตู้เอกสาร 1"
+   * @example drawerName "ลิ้นชัก 1"
+   * @example folderName "แฟ้ม 1"
+   */
+  @Get("/{folderName}/size")
+  @Tags("แฟ้ม")
+  @Security("bearerAuth")
+  @SuccessResponse(HttpStatusCode.OK, "สำเร็จ")
+  public async calc(
+    @Path() cabinetName: string,
+    @Path() drawerName: string,
+    @Path() folderName: string,
+  ) {
+    const list = await listItem(
+      DEFAULT_BUCKET!,
+      `${cabinetName}/${drawerName}/${folderName}/`,
+      true,
+    ).catch((e) => console.error(`Error List Folder: ${e}`));
+
+    if (!list) throw new Error("เกิดข้อผิดพลาด ไม่สามารถแสดงรายการแฟ้มได้ กรุณาลองใหม่ในภายหลัง");
+
+    return { size: list.reduce<number>((a, c) => a + c.size, 0) };
+  }
 }
diff --git a/Services/server/src/controllers/subFolderController.ts b/Services/server/src/controllers/subFolderController.ts
index 9199a30..a2d29e2 100644
--- a/Services/server/src/controllers/subFolderController.ts
+++ b/Services/server/src/controllers/subFolderController.ts
@@ -220,4 +220,31 @@ export class SubFolderController extends Controller {
 
     return this.setStatus(HttpStatusCode.NO_CONTENT);
   }
+
+  /**
+   * @example cabinetName "ตู้เอกสาร 1"
+   * @example drawerName "ลิ้นชัก 1"
+   * @example folderName "แฟ้ม 1"
+   * @example subFolderName "แฟ้มย่อย 1"
+   */
+  @Get("/{subFolderName}/size")
+  @Tags("แฟ้มย่อย")
+  @Security("bearerAuth")
+  @SuccessResponse(HttpStatusCode.OK, "สำเร็จ")
+  public async calc(
+    @Path() cabinetName: string,
+    @Path() drawerName: string,
+    @Path() folderName: string,
+    @Path() subFolderName: string,
+  ) {
+    const list = await listItem(
+      DEFAULT_BUCKET!,
+      `${cabinetName}/${drawerName}/${folderName}/${subFolderName}`,
+      true,
+    ).catch((e) => console.error(`Error List Folder: ${e}`));
+
+    if (!list) throw new Error("เกิดข้อผิดพลาด ไม่สามารถแสดงรายการแฟ้มได้ กรุณาลองใหม่ในภายหลัง");
+
+    return { size: list.reduce<number>((a, c) => a + c.size, 0) };
+  }
 }
diff --git a/Services/server/src/routes.ts b/Services/server/src/routes.ts
index a056828..7b3897c 100644
--- a/Services/server/src/routes.ts
+++ b/Services/server/src/routes.ts
@@ -180,6 +180,32 @@ export function RegisterRoutes(app: Router) {
             }
         });
         // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
+        app.get('/cabinet/:cabinetName/size',
+            authenticateMiddleware([{"bearerAuth":[]}]),
+            ...(fetchMiddlewares<RequestHandler>(CabinetController)),
+            ...(fetchMiddlewares<RequestHandler>(CabinetController.prototype.calc)),
+
+            function CabinetController_calc(request: any, response: any, next: any) {
+            const args = {
+                    cabinetName: {"in":"path","name":"cabinetName","required":true,"dataType":"string"},
+            };
+
+            // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
+
+            let validatedArgs: any[] = [];
+            try {
+                validatedArgs = getValidatedArgs(args, request, response);
+
+                const controller = new CabinetController();
+
+
+              const promise = controller.calc.apply(controller, validatedArgs as any);
+              promiseHandler(controller, promise, response, 200, next);
+            } catch (err) {
+                return next(err);
+            }
+        });
+        // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
         app.get('/cabinet/:cabinetName/drawer',
             authenticateMiddleware([{"bearerAuth":[]}]),
             ...(fetchMiddlewares<RequestHandler>(DrawerController)),
@@ -289,6 +315,33 @@ export function RegisterRoutes(app: Router) {
             }
         });
         // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
+        app.get('/cabinet/:cabinetName/drawer/:drawerName/size',
+            authenticateMiddleware([{"bearerAuth":[]}]),
+            ...(fetchMiddlewares<RequestHandler>(DrawerController)),
+            ...(fetchMiddlewares<RequestHandler>(DrawerController.prototype.calc)),
+
+            function DrawerController_calc(request: any, response: any, next: any) {
+            const args = {
+                    cabinetName: {"in":"path","name":"cabinetName","required":true,"dataType":"string"},
+                    drawerName: {"in":"path","name":"drawerName","required":true,"dataType":"string"},
+            };
+
+            // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
+
+            let validatedArgs: any[] = [];
+            try {
+                validatedArgs = getValidatedArgs(args, request, response);
+
+                const controller = new DrawerController();
+
+
+              const promise = controller.calc.apply(controller, validatedArgs as any);
+              promiseHandler(controller, promise, response, 200, next);
+            } catch (err) {
+                return next(err);
+            }
+        });
+        // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
         app.get('/cabinet/:cabinetName/drawer/:drawerName/folder/:folderName/file',
             authenticateMiddleware([{"bearerAuth":[]}]),
             ...(fetchMiddlewares<RequestHandler>(FileController)),
@@ -549,6 +602,34 @@ export function RegisterRoutes(app: Router) {
             }
         });
         // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
+        app.get('/cabinet/:cabinetName/drawer/:drawerName/folder/:folderName/size',
+            authenticateMiddleware([{"bearerAuth":[]}]),
+            ...(fetchMiddlewares<RequestHandler>(FolderController)),
+            ...(fetchMiddlewares<RequestHandler>(FolderController.prototype.calc)),
+
+            function FolderController_calc(request: any, response: any, next: any) {
+            const args = {
+                    cabinetName: {"in":"path","name":"cabinetName","required":true,"dataType":"string"},
+                    drawerName: {"in":"path","name":"drawerName","required":true,"dataType":"string"},
+                    folderName: {"in":"path","name":"folderName","required":true,"dataType":"string"},
+            };
+
+            // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
+
+            let validatedArgs: any[] = [];
+            try {
+                validatedArgs = getValidatedArgs(args, request, response);
+
+                const controller = new FolderController();
+
+
+              const promise = controller.calc.apply(controller, validatedArgs as any);
+              promiseHandler(controller, promise, response, 200, next);
+            } catch (err) {
+                return next(err);
+            }
+        });
+        // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
         app.post('/search',
             authenticateMiddleware([{"bearerAuth":[]}]),
             ...(fetchMiddlewares<RequestHandler>(SearchController)),
@@ -692,6 +773,35 @@ export function RegisterRoutes(app: Router) {
             }
         });
         // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
+        app.get('/cabinet/:cabinetName/drawer/:drawerName/folder/:folderName/subfolder/:subFolderName/size',
+            authenticateMiddleware([{"bearerAuth":[]}]),
+            ...(fetchMiddlewares<RequestHandler>(SubFolderController)),
+            ...(fetchMiddlewares<RequestHandler>(SubFolderController.prototype.calc)),
+
+            function SubFolderController_calc(request: any, response: any, next: any) {
+            const args = {
+                    cabinetName: {"in":"path","name":"cabinetName","required":true,"dataType":"string"},
+                    drawerName: {"in":"path","name":"drawerName","required":true,"dataType":"string"},
+                    folderName: {"in":"path","name":"folderName","required":true,"dataType":"string"},
+                    subFolderName: {"in":"path","name":"subFolderName","required":true,"dataType":"string"},
+            };
+
+            // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
+
+            let validatedArgs: any[] = [];
+            try {
+                validatedArgs = getValidatedArgs(args, request, response);
+
+                const controller = new SubFolderController();
+
+
+              const promise = controller.calc.apply(controller, validatedArgs as any);
+              promiseHandler(controller, promise, response, 200, next);
+            } catch (err) {
+                return next(err);
+            }
+        });
+        // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
         app.get('/cabinet/:cabinetName/drawer/:drawerName/folder/:folderName/subfolder/:subFolderName/file',
             authenticateMiddleware([{"bearerAuth":[]}]),
             ...(fetchMiddlewares<RequestHandler>(SubFolderFileController)),
diff --git a/Services/server/src/swagger.json b/Services/server/src/swagger.json
index 37ab26f..7dd5811 100644
--- a/Services/server/src/swagger.json
+++ b/Services/server/src/swagger.json
@@ -375,6 +375,51 @@
 				]
 			}
 		},
+		"/cabinet/{cabinetName}/size": {
+			"get": {
+				"operationId": "Calc",
+				"responses": {
+					"200": {
+						"description": "สำเร็จ",
+						"content": {
+							"application/json": {
+								"schema": {
+									"properties": {
+										"size": {
+											"type": "number",
+											"format": "double"
+										}
+									},
+									"required": [
+										"size"
+									],
+									"type": "object"
+								}
+							}
+						}
+					}
+				},
+				"tags": [
+					"ตู้เอกสาร"
+				],
+				"security": [
+					{
+						"bearerAuth": []
+					}
+				],
+				"parameters": [
+					{
+						"in": "path",
+						"name": "cabinetName",
+						"required": true,
+						"schema": {
+							"type": "string"
+						},
+						"example": "ตู้เอกสาร 1"
+					}
+				]
+			}
+		},
 		"/cabinet/{cabinetName}/drawer": {
 			"get": {
 				"operationId": "ListDrawer",
@@ -592,6 +637,60 @@
 				]
 			}
 		},
+		"/cabinet/{cabinetName}/drawer/{drawerName}/size": {
+			"get": {
+				"operationId": "Calc",
+				"responses": {
+					"200": {
+						"description": "สำเร็จ",
+						"content": {
+							"application/json": {
+								"schema": {
+									"properties": {
+										"size": {
+											"type": "number",
+											"format": "double"
+										}
+									},
+									"required": [
+										"size"
+									],
+									"type": "object"
+								}
+							}
+						}
+					}
+				},
+				"tags": [
+					"ลิ้นชัก"
+				],
+				"security": [
+					{
+						"bearerAuth": []
+					}
+				],
+				"parameters": [
+					{
+						"in": "path",
+						"name": "cabinetName",
+						"required": true,
+						"schema": {
+							"type": "string"
+						},
+						"example": "ตู้เอกสาร 1"
+					},
+					{
+						"in": "path",
+						"name": "drawerName",
+						"required": true,
+						"schema": {
+							"type": "string"
+						},
+						"example": "ลิ้นชัก 1"
+					}
+				]
+			}
+		},
 		"/cabinet/{cabinetName}/drawer/{drawerName}/folder/{folderName}/file": {
 			"get": {
 				"operationId": "GetFile",
@@ -1461,6 +1560,69 @@
 				]
 			}
 		},
+		"/cabinet/{cabinetName}/drawer/{drawerName}/folder/{folderName}/size": {
+			"get": {
+				"operationId": "Calc",
+				"responses": {
+					"200": {
+						"description": "สำเร็จ",
+						"content": {
+							"application/json": {
+								"schema": {
+									"properties": {
+										"size": {
+											"type": "number",
+											"format": "double"
+										}
+									},
+									"required": [
+										"size"
+									],
+									"type": "object"
+								}
+							}
+						}
+					}
+				},
+				"tags": [
+					"แฟ้ม"
+				],
+				"security": [
+					{
+						"bearerAuth": []
+					}
+				],
+				"parameters": [
+					{
+						"in": "path",
+						"name": "cabinetName",
+						"required": true,
+						"schema": {
+							"type": "string"
+						},
+						"example": "ตู้เอกสาร 1"
+					},
+					{
+						"in": "path",
+						"name": "drawerName",
+						"required": true,
+						"schema": {
+							"type": "string"
+						},
+						"example": "ลิ้นชัก 1"
+					},
+					{
+						"in": "path",
+						"name": "folderName",
+						"required": true,
+						"schema": {
+							"type": "string"
+						},
+						"example": "แฟ้ม 1"
+					}
+				]
+			}
+		},
 		"/search": {
 			"post": {
 				"operationId": "SearchFile",
@@ -1788,6 +1950,78 @@
 				]
 			}
 		},
+		"/cabinet/{cabinetName}/drawer/{drawerName}/folder/{folderName}/subfolder/{subFolderName}/size": {
+			"get": {
+				"operationId": "Calc",
+				"responses": {
+					"200": {
+						"description": "สำเร็จ",
+						"content": {
+							"application/json": {
+								"schema": {
+									"properties": {
+										"size": {
+											"type": "number",
+											"format": "double"
+										}
+									},
+									"required": [
+										"size"
+									],
+									"type": "object"
+								}
+							}
+						}
+					}
+				},
+				"tags": [
+					"แฟ้มย่อย"
+				],
+				"security": [
+					{
+						"bearerAuth": []
+					}
+				],
+				"parameters": [
+					{
+						"in": "path",
+						"name": "cabinetName",
+						"required": true,
+						"schema": {
+							"type": "string"
+						},
+						"example": "ตู้เอกสาร 1"
+					},
+					{
+						"in": "path",
+						"name": "drawerName",
+						"required": true,
+						"schema": {
+							"type": "string"
+						},
+						"example": "ลิ้นชัก 1"
+					},
+					{
+						"in": "path",
+						"name": "folderName",
+						"required": true,
+						"schema": {
+							"type": "string"
+						},
+						"example": "แฟ้ม 1"
+					},
+					{
+						"in": "path",
+						"name": "subFolderName",
+						"required": true,
+						"schema": {
+							"type": "string"
+						},
+						"example": "แฟ้มย่อย 1"
+					}
+				]
+			}
+		},
 		"/cabinet/{cabinetName}/drawer/{drawerName}/folder/{folderName}/subfolder/{subFolderName}/file": {
 			"get": {
 				"operationId": "GetFile",