diff --git a/common_util/common_util_calc_runner.py b/common_util/common_util_calc_runner.py
new file mode 100644
index 000000000..b54a08f8e
--- /dev/null
+++ b/common_util/common_util_calc_runner.py
@@ -0,0 +1,37 @@
+"""계산 등록부 파이썬 실행기(PLAN 472-3 3-B) — 등록부 id 를 받아 서버 Node 입구 하나를 부름.
+
+등록부 = `A00_Common/design/logic/design_calc_registry.ts` · 입구 = `design_calc_node.ts`
+(`build:design-calc`). 부름은 `common_util_node_bundle.run_bundle_json` 한 길 · 계산 없음.
+`NODE_IDS` = 등록부에서 실행기가 `node:` 인 줄(같은지 시험 `test_472_3_calc_runner.py`).
+입력 꼴 = 입구 머리(`detail` · `route_points` · `context` · `excavation`).
+"""
+
+from __future__ import annotations
+
+from collections.abc import Sequence
+from pathlib import Path
+from typing import Any
+
+from common_util.common_util_node_bundle import run_bundle_json
+
+ROOT = Path(__file__).resolve().parents[1]
+BUNDLE = ROOT / "config" / "design_calc_node" / "design_calc_node.js"
+NPM_SCRIPT = "build:design-calc"
+NODE_IDS = frozenset(
+    {
+        "structure.layouts",
+        "masshaul.cumulative",
+        "haul.plan",
+        "excavation.trench",
+        "corridor.mesh",
+    }
+)
+
+
+def run_calc(ids: Sequence[str], inputs: dict[str, Any]) -> dict[str, Any] | None:
+    """id 들을 한 번에 돌려 `{id: 값}` · 묶음 실패는 None · Node 실행기 아닌 id 는 ValueError."""
+    unknown = [item for item in ids if item not in NODE_IDS]
+    if unknown:
+        raise ValueError(f"Node 실행기 아닌 id: {', '.join(unknown)}")
+    output = run_bundle_json(BUNDLE, NPM_SCRIPT, {"run": list(ids), "inputs": inputs})
+    return output.get("results") if isinstance(output, dict) else None
diff --git a/resources/tester/test_472_3_calc_runner.py b/resources/tester/test_472_3_calc_runner.py
new file mode 100644
index 000000000..98f3323ec
--- /dev/null
+++ b/resources/tester/test_472_3_calc_runner.py
@@ -0,0 +1,70 @@
+"""PLAN 472-3 3-B (요구 273) — 파이썬 실행기 `common_util_calc_runner` → Node 입구 → 기존 묶음 값.
+
+못박는 것
+  - `NODE_IDS` = 등록부 `node:` 줄 = 입구 표(`available`).
+  - 고정 자료 `fixtures/golden_472` 로 `run_calc` 값 = [저장] 재계산이 부르는 server-calc 묶음 값
+    (`Server_Calc_Prebuild` BUNDLE · 면적 · 다단 벽 · 누가토량 · 배분 · 끝값 −17,570.7).
+  - Node 실행기 아닌 id(파이썬 · 브라우저 실행기)는 ValueError.
+
+    ./venv/Scripts/python.exe -m pytest resources/tester/test_472_3_calc_runner.py -q
+"""
+
+from __future__ import annotations
+
+import json
+import re
+from pathlib import Path
+
+import pytest
+
+from common_util import common_util_calc_runner as runner
+
+HERE = Path(__file__).resolve().parent
+ROOT = HERE.parents[1]
+FIXTURE = HERE / "fixtures" / "golden_472"
+REGISTRY = ROOT / "A00_Common" / "design" / "logic" / "design_calc_registry.ts"
+
+pytestmark = pytest.mark.skipif(
+    not (ROOT / "config" / "node_modules" / "vite").is_dir(),
+    reason="프론트엔드 의존성 미설치",
+)
+
+
+def _fixture(name: str):
+    return json.loads((FIXTURE / name).read_text(encoding="utf-8"))
+
+
+def _context() -> dict:
+    ctx = _fixture("context.json")
+    keys = ("earthwork_conversion", "haul_equipment_limits", "natural_spoil_min_ground_slope")
+    return {k: ctx[k] for k in keys}
+
+
+def test_NODE_IDS_등록부_입구와_같음() -> None:
+    src = REGISTRY.read_text(encoding="utf-8")
+    assert set(re.findall(r'runner: "node:([a-z_.]+)"', src)) == runner.NODE_IDS
+    out = runner.run_bundle_json(runner.BUNDLE, runner.NPM_SCRIPT, {"run": [], "inputs": {}})
+    assert set(out["available"]) == runner.NODE_IDS
+
+
+def test_실행기_값_server_calc_와_같음() -> None:
+    from B06_Section.B06_Section_Server_Calc_Prebuild import _NPM_SCRIPT, BUNDLE
+    from common_util.common_util_node_bundle import run_bundle_json
+
+    sc = run_bundle_json(
+        BUNDLE, _NPM_SCRIPT, {"detail": _fixture("detail.json"), "context": _context()}
+    )
+    got = runner.run_calc(
+        ["structure.layouts", "masshaul.cumulative", "haul.plan"],
+        {"detail": _fixture("detail.json"), "context": _context()},
+    )
+    assert got["structure.layouts"]["areas"] == sc["areas"] and sc["areas"]
+    assert got["structure.layouts"]["extra_walls"] == sc["extra_walls"]
+    merged = {**got["masshaul.cumulative"], **got["haul.plan"]}
+    assert merged == sc["mass_haul"]
+    assert merged["final_cumulative_m3"] == -17570.7
+
+
+def test_Node_실행기_아닌_id_는_ValueError() -> None:
+    with pytest.raises(ValueError, match="stations.list"):
+        runner.run_calc(["masshaul.cumulative", "stations.list"], {})