Electricity Bill Estimator
Estimate your monthly electric bill from the appliances you actually use. Add common presets or custom devices, then see total kWh, total cost, and which appliances drive the highest charges.
Monthly Electricity Bill Estimator
Estimate your full electric bill from daily appliance usage, not just one device.
Add from preset library
Add a custom appliance
Appliance usage
Edit any row to fine-tune your bill estimate.
Total bill period usage
480 kWh
Estimated electric bill
$76.80
Daily average cost
$2.56
Per-appliance cost breakdown
#1 AC
1 × 1,500W, 8 hrs/day
$57.60
360 kWh
#2 Fridge
1 × 150W, 24 hrs/day
$17.28
108 kWh
#3 LED bulb
8 × 10W, 5 hrs/day
$1.92
12 kWh
Energy-saving tips
Efficiency comparisons
Switching from
10 incandescent bulbs
to
10 LED bulbs
Estimated savings
$12.00
per 30-day billing period
Switching from
older fridge
to
efficient fridge
Estimated savings
$8.06
per 30-day billing period
Switching from
desktop computer
to
laptop
Estimated savings
$5.38
per 30-day billing period
How to Use
- Enter your electricity rate in dollars per kilowatt-hour and set your billing period, usually 30 days.
- Add appliances from the preset library or create custom rows with a name, wattage, hours used per day, and quantity.
- Review the total kWh, estimated bill, and daily average cost at the top of the results section.
- Use the ranked breakdown and savings ideas to spot which appliances are most worth optimizing or replacing.
Frequently Asked Questions
How is an electricity bill estimated?
This estimator multiplies each appliance's wattage by hours used per day and quantity, converts that to kilowatt-hours, then multiplies by your electric rate over the billing period. It gives a usage-based estimate of your bill.
Why might my actual electric bill be higher than the estimate?
Utilities often add fixed service charges, taxes, delivery fees, tiered pricing, or time-of-use rates. This tool estimates the energy-use portion of your bill, which is usually the biggest variable piece.
What appliances usually have the biggest impact on a power bill?
Heating, air conditioning, dryers, ovens, pool pumps, water heating, and EV charging often contribute the most because they use a lot of wattage or run for long periods.
What if I do not know the exact wattage of an appliance?
You can start with a preset, check the appliance label, look at the owner's manual, or use a plug-in watt meter for a more accurate reading. Even rough estimates are useful for comparing where your bill is coming from.