Energy Calculators

Estimate electric vehicle charging cost from battery size, charge percentage, efficiency, losses, and electricity rate.

Estimate EV cost per mile, range cost, and trip energy from efficiency and electricity rate.

Estimate solar payback period, annual savings, and net cost from system cost, incentives, production, and electricity rate.

Estimate battery runtime from capacity, voltage, load, inverter efficiency, and usable depth of discharge.

Estimate energy use and electricity cost from watts, hours, days, and rate per kWh.

Estimate air conditioner electricity cost from power draw, runtime, duty cycle, days, and electricity rate.

Estimate heat pump running cost from heating or cooling load, COP, runtime, and electricity rate.

Estimate household energy cost from electricity, gas, water heating, fixed utility fees, and seasonal adjustments.

Convert kWh usage into electricity cost with optional fixed fees and taxes.

Estimate generator runtime and fuel cost from fuel tank size, burn rate, load, and fuel price.

Estimate laundry cost per load, month, and year from electricity, water, detergent, dryer use, and load count.

Estimate water and sewer bill from usage, unit rate, sewer multiplier, fixed fees, and taxes.