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Appliance Power & Bill Calculator

Pick an appliance and set daily hours to see its monthly energy use (kWh), estimated electricity cost, and how much switching to a grade-1 model would save.

⚙️ Choose Appliance · Usage

Average inverter running draw. The most variable appliance in real use.

h/day

Grade 1 is the most efficient (lowest power), so the same appliance costs differently by grade.

📊 Power · Estimated Cost

Monthly energy

180.0 kWh

Monthly est. cost

38,628원

Effective power

1200W

Annual energy

2190.0 kWh

Annual est. cost

469,974원

Simple estimate at 214.6 KRW/kWh (tier 2). For an exact bill, use the progressive calculator below.

⭐ Switch to Grade 1

Electricity saved when replacing the current grade with a grade-1 (most efficient) model.

Energy saved

45.0 kWh

Monthly saving

9,657원

Annual saving

117,494원

Appliance Power Comparison

Standard hours · grade 3, sorted by monthly energy use (kWh).

AppliancePowerUseMonthly kWhMonthly cost
1200W5h
180.0 kWh
38,628원
900W1.5h
40.5 kWh
8,691원
300W4h
36.0 kWh
7,726원
45W24h
32.4 kWh
6,953원
700W1.5h
31.5 kWh
6,760원
35W24h
25.2 kWh
5,408원
35W24h
25.2 kWh
5,408원
250W3h
22.5 kWh
4,829원
120W5h
18.0 kWh
3,863원
400W1h
12.0 kWh
2,575원
1200W0.3h
10.8 kWh
2,318원
1000W0.25h
7.5 kWh
1,610원

Progressive Tariff Calculator

Enter your whole-month usage (kWh) to compute the Korean residential progressive bill.

kWh
Applied tierTier 2 (201–400kWh)
Energy charge45,460원
Base charge1,600원
Climate charge2,700원
Subtotal49,760원
VAT (10%)4,976원
Power fund (3.7%)1,840원

Estimated bill

56,570원

300.0 kWh / 월

Data · Tariff Sources

  • ⚡ Power: category averages based on Korea Energy Agency efficiency program (estimated)
  • 🧾 Tariff: KEPCO residential low-voltage rate table (2024)
  • ⭐ Grades: efficiency grade 1–5 multiplier model (grade 1 = most efficient)
  • 🌱 Includes climate charge 9.0 KRW/kWh, VAT 10%, power fund 3.7%

※ All figures are reference estimates. Actual values vary by model, usage, and tariff revisions. Check the product energy label for certified power and your KEPCO bill for the exact amount.

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