Mondo Knows Tools
Electricity Cost Calculator
What an appliance costs to run. Use the free electricity cost calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.
W
hrs
$/kWh
Mondo says
Cost
$28.80
Energy used180 kWh
Cost per day$0.96
Cost per year$350.40
Electricity Cost Calculator: common questions
- What does the Electricity Cost Calculator work out?
- What an appliance costs to run. It is one of the Everyday & Tech tools on Mondo Knows.
- How is the Electricity Cost Calculator calculated?
- You get an instant answer with the working shown underneath.
- Do I need to sign up, and is my data stored?
- No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.
Mondo also knows
Facts that connect to the electricity cost calculator
Short, sourced facts that point back to this tool.
The blue LED enabled high-efficiency white LED illuminationIsamu Akasaki, Hiroshi Amano, and Shuji Nakamura won the Nobel Prize for inventing blue LEDsThe microwave oven was discovered accidentally by radar engineer Percy SpencerA melting candy bar near an active radar magnetron tube led to the commercial microwave oven in 1945Modern wind turbines generate electricity using aerodynamic rotor bladesAirflow turning aerodynamic lift blades drives a generator to produce high-voltage powerHydroelectric power stations turn flowing water into electrical currentGravitational potential energy of dammed water rotates massive hydraulic turbines and generators
Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.