utilities
Appliance Electricity Cost Calculator
Estimate monthly kWh and energy cost for any appliance.
Monthly energy
108 kWh
Monthly energy cost
NPR 1,296
Daily energy
3.6 kWh
How this works
Monthly kWh = watts ÷ 1,000 × hours/day × days; cost = kWh × rate.
Worked example
A 1,200 W appliance used three hours daily consumes 108 kWh in 30 days.
FAQ
What is the Appliance Electricity Cost Calculator used for?
Estimate monthly kWh and energy cost for any appliance. It is intended for quick planning, checking, and everyday decisions.
Can I use the result for a final contract or design?
Use it as a planning estimate. Telescopic tariffs, service charges, duty cycle, and standby power can change the bill.
How can I improve the accuracy?
Use measured quantities, current supplier or lender rates, the correct units, and compare the result with drawings, invoices, or professional advice where the decision is safety-critical.