Free electricity calculators
Estimate how many electricity units an appliance or home may use and what the energy charge may cost. Enter the rate from your own bill.
From one appliance to your monthly units
- Start with the calculator closest to your question.
- Replace the example values with your own details.
- Open the calculation steps and read the assumptions.
- Save or print the result before checking the final decision.
Choose a calculator
Appliance Electricity Cost Calculator
monthly energy use and cost for any appliance
Open calculator →Whole-home Electricity Consumption Calculator
appliance-wise monthly units and energy charges
Open calculator →AC Electricity Bill Calculator
air-conditioner energy use without confusing cooling tonnage with input watts
Open calculator →1.5-ton AC Monthly Cost Calculator
a focused 1.5-ton AC scenario with editable input power and load factor
Open calculator →Fan Electricity Consumption Calculator
conventional, older, BLDC or custom fan running cost
Open calculator →BLDC Fan Savings Calculator
savings based only on entered conventional and BLDC wattages
Open calculator →Geyser Electricity Cost Calculator
storage or instant water-heater energy cost
Open calculator →Refrigerator Electricity Cost Calculator
refrigerator cost from the preferred BEE-label annual consumption
Open calculator →Air Cooler Electricity Cost Calculator
air-cooler fan and pump energy
Open calculator →Washing Machine Electricity Cost Calculator
washing-machine energy per cycle and monthly cost
Open calculator →Induction Cooktop Cost Calculator
induction cooking energy at the selected power and operating factor
Open calculator →Water-pump Electricity Cost Calculator
motor energy from horsepower, efficiency and run time
Open calculator →Television Electricity Cost Calculator
television viewing and optional standby energy
Open calculator →Computer Electricity Cost Calculator
laptop, desktop and monitor energy together
Open calculator →EV Home-charging Cost Calculator
grid energy and cost for an electric-vehicle battery refill
Open calculator →Watts and electricity units are different
Watts show how quickly an appliance uses power. kWh shows the total energy used over time. One kWh is one billed electricity unit.
Before you calculate
Why is the electricity rate editable?
Estimate how many electricity units an appliance or home may use and what the energy charge may cost. Enter the rate from your own bill.
Does one unit mean one kWh?
The result shows the exact formula and the settings used.
Why can the real bill be higher?
Use the answer for planning, then check the important label, specification or official record.