ϟ Energy toolkit
Home Energy
calculators.
Understand electricity use, appliance costs, and charging expenses. Every tool runs privately in your browser.
05 focused tools
Home Energy calculator tools
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Energy
Electricity Cost Calculator
Estimate appliance electricity use and operating cost over time. ↗
Energy
Appliance Energy Calculator
Calculate monthly appliance energy consumption and electricity cost. ↗
Energy
AC Running Cost Calculator
Estimate the electricity cost of running an air conditioner. ↗
Energy
Space Heater Cost Calculator
Estimate daily and monthly portable heater electricity cost. ↗
Energy
EV Charging Cost Calculator
Estimate home charging energy, cost, and cost per mile.Understand the method
Energy planning guides
Use the calculators for the number, then check the measurement choices, assumptions, and practical limits behind it.
Plan with context,
not false precision.
Every result depends on the measurements, prices, and assumptions you provide. Abelost explains the formula and common limitations so you can use the number as a starting point.
Read our methodology →