Estimate your monthly electricity bill by adding every appliance in your home along with its wattage, quantity, and daily usage hours. This tool is for general estimation only — your actual bill may include fixed charges, taxes, and slab-based rates set by your electricity provider.
Appliance
Watt
Qty
Hours/day
How to Use the Electricity Bill Calculator
List every appliance you want to include, with its wattage, quantity, and average hours of use per day.
Set the number of days per month and your electricity rate per unit (kWh).
Click "Calculate Bill" to see total units consumed and the estimated cost.
Frequently Asked Questions
Units (kWh) = Watt × Quantity × Hours/day × Days ÷ 1000. For example, a 75W fan used 10 hours a day for 30 days uses 75 × 10 × 30 ÷ 1000 = 22.5 units.
No. This estimates only the energy cost (units × rate). Most electricity providers also add fixed/meter charges, taxes, and sometimes slab-based rates that increase per unit as consumption rises — check your actual bill or provider's tariff for those.
Yes, it's completely free and requires no sign-up.