Water Pipe Freeze Prevention Flow Calculator
Enter today's low temperature and your home's conditions to see the freeze-risk level and how much water to leave dripping.
🌡️ Enter Today's Conditions
Enter this morning's / tomorrow morning's forecast low temperature.
Criteria Sources
- 🚦 Risk level: Seoul Waterworks 4-stage water-meter freeze forecast
- 💧 Drip flow: Seoul Waterworks (caution 240 mL/min · alert 330 · severe 400+)
- 💰 Water cost: approx 1,000 KRW/m³ (water + sewage + usage charge)
※ All results are reference estimates. Actual freeze risk varies by building structure, region, wind, and sunlight.
📊 Freeze Risk Result
Today's Freeze Risk Level
Caution
Water-meter freeze risk. Leave the tap dripping gently before bed/leaving and insulate the meter.
Recommended Drip Flow
240 mL/분
Stream thickness
💧 Pencil-lead width stream
Estimated Extra Water Cost (if dripping continuously)
1 hour
14원
6 hours
84원
12 hours
168원
Based on ~1,000 KRW/m³ (water + sewage + usage charge approx). Far cheaper than freeze repair (tens of thousands of KRW).
✅ What to Do Now
- ▢Fill the meter box with old clothes/towels/insulation and seal with plastic
- ▢Leave the kitchen/bathroom tap dripping at the recommended rate
- ▢Be extra careful in the coldest pre-dawn hours (4–7 a.m.)
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동파 기준·보온 방법 상세는 Guide , 자주 묻는 질문은 FAQ , 판정 기준·운영 정보는 About 참조. 마지막 업데이트 2026-06-20.