How do I read my electricity bill?

Your electricity bill typically shows: (1) monthly usage in kWh (kilowatt-hours), (2) the rate per kWh charged by your utility, (3) any fixed service or supply charges, and (4) taxes or levies. The energy charge is usage x rate. Add the fixed charge and taxes to get your total bill.

What is an average electricity bill?

Average bills vary widely by country and household size. In the US, the average household uses about 900 kWh/month at roughly $0.14/kWh, resulting in a ~$125/month bill. In the UK, average usage is around 250-350 kWh/month. Bills are heavily influenced by home size, climate, and local rates.

How can I reduce my electricity bill?

The biggest savings typically come from: (1) switching to LED lighting (75% less energy than incandescent), (2) using a programmable thermostat, (3) upgrading to Energy Star appliances, (4) improving home insulation, (5) unplugging devices in standby mode, and (6) running laundry and dishwashers on off-peak hours if your utility has time-of-use pricing.

What uses the most electricity at home?

Heating and cooling (HVAC) typically account for 40-50% of home electricity use. Water heating is usually second at 15-20%. Large appliances (refrigerator, washer, dryer) account for another 15-20%. Lighting, electronics, and other devices make up the remainder.

Everyday

Electricity Bill Calculator

Calculate your monthly, daily, and annual electricity bill from your kWh usage, rate per unit, fixed charges, and tax.

Currency:

162 currencies supported

✏️

Enter Values

Monthly Usage(kWh)*

Monthly electricity consumption in kilowatt-hours (from your bill)

Rate per kWh($/kWh)*

Your utility's rate per kWh (check your bill)

Fixed Monthly Charge($)

Fixed service/supply charge on your bill

Tax Rate(%)

Applicable tax rate on your bill

Currency

📊

Results

Enter values above to see results

Monthly Bill = (Units × Rate + Fixed Charge) × (1 + Tax%/100)

Variables

UnitsMonthly kWh consumption

RateRate per kWh charged by utility

Fixed ChargeMonthly fixed service/supply charge

Tax%Tax rate applied to the total bill

Explanation

The energy cost is calculated by multiplying consumption by the rate per kWh. The fixed monthly charge is added regardless of usage. Tax is then applied to the combined total. The effective cost per kWh includes all charges divided by total consumption, giving a true cost per unit.

What is the Electricity Bill Calculator?

Understanding your electricity bill can help you budget accurately, identify unusual charges, and find opportunities to reduce consumption. This electricity bill calculator works for any country — simply enter your kWh usage, rate per unit, fixed charges, and tax rate to get a complete breakdown of your monthly, daily, and annual costs.

How to Use This Calculator

Enter your monthly kWh consumption (found on your electricity bill), the rate per kWh, any fixed monthly service charges, and your applicable tax rate. The calculator computes your energy charge, tax, total monthly bill, daily cost, annual cost, and effective cost per kWh including all charges.

Worked Examples

900 kWh at $0.14/kWh

A typical US household: 900 kWh a month, a $10 fixed service charge and 8% tax.

Energy charge = 900 × $0.14: $126.00
Plus fixed charge: $136.00
Plus 8% tax: $146.88

About $146.88/month — $1,762 a year, an effective $0.163 per kWh.

The effective per-kWh cost is above the headline rate because the fixed charge and tax spread across every unit.

Why Use MyCalculatorsHub's Electricity Bill Calculator?

This calculator provides a full cost breakdown rather than just multiplying units by rate — it accounts for fixed charges and taxes that are often overlooked. The effective cost per kWh metric is particularly useful for comparing rates or evaluating whether solar energy investment makes financial sense.

Common Mistakes to Avoid

Many people underestimate their bill by forgetting fixed service charges and taxes, which can add 15-25% to the energy charge alone. Also, ensure you enter your rate per kWh correctly — some bills show rates in cents rather than dollars (e.g., 14 cents/kWh = $0.14/kWh).