Stop guessing at the power bill
What does that thing
cost to run?
Enter the watts, how long it runs, and your electric rate. Get the real monthly and yearly cost—then see what a more efficient replacement could save.
Your equipment
Tip: the wattage is usually printed on the equipment label. For cycling equipment, use the average running time—not 24 hours.
Your real cost
Estimated monthly cost
$66.83
Potential annual savings
$596.22
with a 1,200 watt alternative at the same usage
More practical tools
Generator math without the sales pitch.
Generator Fuel Cost
Estimate gallons, operating cost, tank endurance, and reserve.
Open calculator → Backup powerGenerator Sizing
Add your actual loads and account for the largest motor starting surge.
Open calculator → Heating & coolingHVAC Running Cost
Turn power draw and runtime into monthly and seasonal cost.
Open calculator → Hot waterWater Heater Comparison
Compare standard electric, heat-pump, and propane operating costs.
Open calculator → HeatingSpace Heater vs Central
Compare the actual electric cost of both heating strategies.
Open calculator → Pool equipmentPool Pump Savings
Estimate variable-speed savings and upgrade payback.
Open calculator →Find the draw
Use the equipment label or a plug-in energy meter for the most accurate wattage.
Run the numbers
We calculate kilowatt-hours from your actual use and electric rate.
Cut the waste
Compare a lower-draw option and see whether the upgrade pays for itself.
Field-minded answers
Useful numbers.
No sales fog.
Utility Math turns equipment labels, fuel rates, and real operating hours into numbers homeowners can use. Every result is an estimate—and every assumption stays visible so you can replace it with your own.