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Electricity Appliance Cost Calculator

Calculate daily, monthly, and yearly electricity cost for any appliance from watts, usage hours, electricity rate, and billing days.

Source: Standard kWh formulaUpdated 2026-09-11
Key termskWhKilowatt-hour: the billing unit for electricity. A 1000-watt appliance used for 1 hour consumes 1 kWh.Tariff slabA pricing band where electricity units may be charged at different rates after crossing slab limits.

Adjust inputs

Watts
15000
Hours
024
INR/kWh
130
Days
162

फॉर्मूला व्याख्या

Cost = watts x hours per day / 1000 x billing days x rate per kWh

Appliance units are calculated from power consumption and usage duration, then multiplied by your electricity unit rate.

Update log

  • Added appliance-level cost estimator.

Step-by-Step Example

  1. 1Convert watts to kilowatts by dividing by 1000.
  2. 2Multiply by daily hours to get daily kWh.
  3. 3Multiply by billing days and unit rate.
  4. 4Compare daily, billing-period, and yearly cost.

Reference

Benchmark Table

Compare common scenarios quickly. Scroll horizontally on smaller screens.

Reference 1
Appliance
Ceiling fan
Typical watts
55
Hours/day
10
Monthly units
16.5
Reference 2
Appliance
1.5 ton AC
Typical watts
1400
Hours/day
5
Monthly units
210
Reference 3
Appliance
Geyser
Typical watts
2000
Hours/day
0.5
Monthly units
30
Reference 4
Appliance
LED bulb
Typical watts
9
Hours/day
5
Monthly units
1.35

बारंबार पूछल प्रश्न

Multiply watts by usage hours, divide by 1000 to get kWh, then multiply by your unit rate.

Estimated appliance bill

₹1,620.00

Details