Quick Answer: How Do I Calculate KWh Cost?

How do I convert my electric meter reading to kWh?

How to convert Units to Kilowatt Hours?Check your bill to find the number of Units used.


(Sample)*Multiply by 2.83.

(convert from imperial to metric) 283.Multiply by 1.022640.

(volume conversion factor) 289.407.Multiply by 39.3.

(calorific value) 11373.699.Divide by 3.6.

(kWh conversion factor) 3159.361.


How is home meter reading calculated?

Choose clean energy and savings, now.Current meter reading – Meter reading reported from last month’s bill = Total kWh used since last reading.Total kWh used since last reading x Charge per kWh = Total energy charge.Total energy charge + Fixed monthly fees = Final bill.

How do we calculate electricity?

How to calculate my energy consumptionDevice Wattage (watts) x Hours Used Per Day = Watt-hours (Wh) per Day.Device Usage (Wh) / 1000 (Wh/kWh) = Device Usage in kWh.Daily Usage (kWh) x 30 (Days) = Approximate Monthly Usage (kWh/Month)

How many kW is a kWh?

1 kWh equals one hour of electricity usage at a rate of 1 kW, and thus the 2 kW appliance would consume 2 kWh in one hour, or 1 kWh in half an hour. The equation is simply kW x time = kWh.

What is the formula for current?

Current is usually denoted by the symbol I. Ohm’s law relates the current flowing through a conductor to the voltage V and resistance R; that is, V = IR. An alternative statement of Ohm’s law is I = V/R.

What is the formula for cost of electricity?

Let’s do the math by hand: power consumption * usage time = power consumed . So we’ll consume 10000 watt hours or 10 kilowatt hours of power every day. The electricity cost is cost = power consumed * energy price .

How do you solve a kWh problem?

2 x 32 = 64 watts x 5 hours per day estimate usage = 320 watts. Multiplied by 365 days in a year = 116,800 watts, divided by 1000 (1000 watts is 1 kilowatt hour) = 116.80 kWh. 116.8 multiplied by your kWh cost (found on your utility bill) = annual cost of operating the item.

How much is a unit of electric?

Units of electricity are used to measure the amount of energy that has been consumed at a property. Units of electricity are measured in kilowatt hours (kWh’s). Therefore one unit of electricity is equal to one kilowatt hour (kWh) of electricity used.

What is a kWh equivalent to?

If you use one kilowatt of power for an hour, you have used 1 kilowatt-hour, abbreviated kWh, of energy. One kilowatt-hour is equivalent to the energy of 1,000 joules used for 3,600 seconds or 3.6 million Joules. In equation form: 1 kWh = 3.6 million J.

How much electricity does a AC use?

An average central ac will use 3000 to 5000 watts of power for around 9 hours a day during the hotter months. Click calculate to find the energy consumption of a central air conditioner using 3500 Watts for 3 hours a day @ $0.10 per kWh.

What do you mean by 1 kWh?

A kilowatt hour (kWh) is a measure of energy. So a 1,000 watt drill needs 1,000 watts (1 kW) of power to make it work, and uses 1 kWh of energy in an hour. That’s why, if you leave a TV or computer on standby, it is still using power and creating a kWh cost on your energy bill.

How many kWh is a unit?

3600 kilojoulesThe kilowatt-hour (SI symbol: kW⋅h or kW h; commonly written as kWh) is a unit of energy equal to 3600 kilojoules (3.6 megajoules). The kilowatt-hour is commonly used as a billing unit for energy delivered to consumers by electric utilities.

How do I calculate kWh?

Just like the odometer on your vehicle that shows the actual distance travelled by the vehicle, electricity meter shows the amount of electricity that is used. So a 100-Watt bulb if kept on for 10 hours will consume: 100 x 10 = 1000 Watt-Hour = 1 Kilowatt-Hour (kWH) = 1 units (on your meter).

How can I fix my electric bill?

How to Calculate Your Electric BillMultiply the device’s wattage by the number of hours the appliance is used per day.Divide by 1000.Multiply by your kWh rate.