diff --git a/src/components/quotes/QuoteRegistrationV2.tsx b/src/components/quotes/QuoteRegistrationV2.tsx
index 975912ce..b79a6591 100644
--- a/src/components/quotes/QuoteRegistrationV2.tsx
+++ b/src/components/quotes/QuoteRegistrationV2.tsx
@@ -9,7 +9,7 @@
 
 "use client";
 
-import { useState, useEffect, useMemo, useCallback } from "react";
+import { useState, useEffect, useMemo, useCallback, useRef } from "react";
 import { FileText, Calculator, Download, Save, Check } from "lucide-react";
 import { toast } from "sonner";
 
@@ -167,6 +167,7 @@ export function QuoteRegistrationV2({
   const [isSaving, setIsSaving] = useState(false);
   const [isCalculating, setIsCalculating] = useState(false);
   const [previewModalOpen, setPreviewModalOpen] = useState(false);
+  const [pendingAutoCalculate, setPendingAutoCalculate] = useState(false);
 
   // API 데이터
   const [clients, setClients] = useState<Vendor[]>([]);
@@ -175,6 +176,9 @@ export function QuoteRegistrationV2({
   const [isLoadingClients, setIsLoadingClients] = useState(false);
   const [isLoadingProducts, setIsLoadingProducts] = useState(false);
 
+  // handleCalculate 참조 (DevFill에서 사용)
+  const calculateRef = useRef<(() => Promise<void>) | null>(null);
+
   // ---------------------------------------------------------------------------
   // DevFill (개발/테스트용 자동 채우기)
   // ---------------------------------------------------------------------------
@@ -246,6 +250,9 @@ export function QuoteRegistrationV2({
     setFormData(testData);
     setSelectedLocationId(testLocations[0].id);
     toast.success(`[DevFill] 테스트 데이터가 채워졌습니다. (${locationCount}개 개소)`);
+
+    // 자동 견적 산출 트리거
+    setPendingAutoCalculate(true);
   }, [clients, finishedGoods]));
 
   // ---------------------------------------------------------------------------
@@ -480,6 +487,23 @@ export function QuoteRegistrationV2({
     }
   }, [formData.locations]);
 
+  // handleCalculate 참조 업데이트
+  useEffect(() => {
+    calculateRef.current = handleCalculate;
+  }, [handleCalculate]);
+
+  // DevFill 후 자동 견적 산출
+  useEffect(() => {
+    if (pendingAutoCalculate && formData.locations.length > 0 && calculateRef.current) {
+      setPendingAutoCalculate(false);
+      // 약간의 딜레이 후 산출 실행 (상태 업데이트 완료 대기)
+      const timer = setTimeout(() => {
+        calculateRef.current?.();
+      }, 100);
+      return () => clearTimeout(timer);
+    }
+  }, [pendingAutoCalculate, formData.locations.length]);
+
   // 저장 (임시/최종)
   const handleSave = useCallback(async (saveType: "temporary" | "final") => {
     if (!onSave) return;