diff --git a/app/integrations/google_sheets.py b/app/integrations/google_sheets.py
index 00c3f84..7a50bf8 100644
--- a/app/integrations/google_sheets.py
+++ b/app/integrations/google_sheets.py
@@ -166,7 +166,7 @@ class GoogleSheetsWriter:
         first_col: int,
         last_col: int,
         title_row: int,
-        widths: dict[int, int],
+        widths: dict[int, int],   # 열 번호(1-based) -> 픽셀
         header_bg: str = "",
         row_highlights: list[tuple[int, int, str]] | None = None,
     ) -> dict[str, Any]:
@@ -280,7 +280,7 @@ class GoogleSheetsWriter:
                         "sheetId": sheet_id, "dimension": "COLUMNS",
                         "startIndex": col - 1, "endIndex": col,
                     },
-                    "properties": {"pixelSize": int(width) * 8},
+                    "properties": {"pixelSize": int(width)},
                     "fields": "pixelSize",
                 }
             })
diff --git a/app/modules/cupang/export.py b/app/modules/cupang/export.py
index cc97462..d71a414 100644
--- a/app/modules/cupang/export.py
+++ b/app/modules/cupang/export.py
@@ -28,7 +28,22 @@ COL_FIRST = 2
 COL_LAST = 12
 # 센터 단위로 병합되는 열
 MERGE_COLS = (3, 4, 5, 6, 7, 11, 12)
-WIDTHS = {1: 10, 2: 6, 3: 12, 4: 12, 5: 12, 6: 11, 7: 10, 8: 12, 9: 26, 10: 8, 11: 12, 12: 11}
+# 열 너비 — 구글 시트 기준 픽셀. xlsx 는 문자폭(px/7)으로 환산해서 쓴다.
+WIDTHS_PX = {
+    1: 10,    # A (여백)
+    2: 45,    # B 구분
+    3: 106,   # C 작성일
+    4: 106,   # D 출고일
+    5: 106,   # E 센터입고일
+    6: 90,    # F 입고센터
+    7: 80,    # G 출고방식
+    8: 95,    # H 제품코드
+    9: 210,   # I 제품명
+    10: 60,   # J 수량
+    11: 100,  # K 출고
+    12: 90,   # L 작업자
+}
+PX_PER_CHAR = 7.0
 HEADER_BG = "DBE9F7"     # 머리글 행 배경
 PALLET_BG = "FAE2D5"     # 출고방식이 파렛트인 센터 블록 배경
 PALLET_METHOD = "파렛트"
@@ -168,8 +183,8 @@ def build_workbook(ship_date: str, shipments: list[dict[str, Any]]) -> Any:
             for col in range(COL_FIRST, COL_LAST + 1):
                 ws.cell(row=row, column=col).fill = pallet_fill
 
-    for col, width in WIDTHS.items():
-        ws.column_dimensions[get_column_letter(col)].width = width
+    for col, px in WIDTHS_PX.items():
+        ws.column_dimensions[get_column_letter(col)].width = round(px / PX_PER_CHAR, 2)
     ws.row_dimensions[TITLE_ROW].height = 28
 
     return wb
diff --git a/app/modules/cupang/router.py b/app/modules/cupang/router.py
index ed00eb2..cb19511 100644
--- a/app/modules/cupang/router.py
+++ b/app/modules/cupang/router.py
@@ -266,7 +266,7 @@ def _push_to_google_sheet(store: Any, ship_date: str) -> dict[str, Any]:
 
     from .export import (  # noqa: WPS433
         COL_FIRST, COL_LAST, FIRST_DATA_ROW, HEADER_BG, HEADER_ROW, PALLET_BG,
-        TITLE_ROW, WIDTHS, build_table, sheet_title,
+        TITLE_ROW, WIDTHS_PX, build_table, sheet_title,
     )
 
     spreadsheet_id = (os.getenv("CUPANG_SHEET_ID") or "").strip()
@@ -294,7 +294,7 @@ def _push_to_google_sheet(store: Any, ship_date: str) -> dict[str, Any]:
             first_col=COL_FIRST,
             last_col=COL_LAST,
             title_row=TITLE_ROW,
-            widths=WIDTHS,
+            widths=WIDTHS_PX,
             header_bg=HEADER_BG,
             row_highlights=[(r1, r2, PALLET_BG) for (r1, r2) in table["pallet_ranges"]],
         )