Home Energy Calculators

Air Conditioner Cost Calculator

Calculate how much your air conditioner costs to run. Enter your AC's BTU rating and SEER efficiency to get daily, monthly, and yearly cooling cost estimates.

Appliance Energy Cost Calculator

Calculate the running cost of any home appliance. Find out how much your fridge, AC, heater, washer, dryer, or oven costs to run per day, month, and year.

Dryer Electricity Cost Calculator

Calculate how much your clothes dryer costs to run per load, per month, and per year. Compare electric dryer energy costs with our free calculator.

EV Charging Cost Calculator

Calculate how much it costs to charge your electric vehicle. Compare home charging costs, estimate monthly and yearly expenses for any EV.

EV Home Charging Cost Calculator

Calculate how much it costs to charge your electric vehicle at home. Estimate charging time, energy use, and cost per charge with our free EV calculator.

Electricity Bill Calculator

Calculate your monthly electricity bill based on usage, rate per kWh, fixed charges, and taxes. Free online tool to estimate your electric costs.

Electricity Cost Calculator

Calculate daily, monthly, and yearly appliance electricity costs from wattage, usage hours, billing period, and electricity rate.

Heater Electricity Cost Calculator

Calculate how much your electric space heater costs to run. Enter wattage and usage hours to see daily, monthly, and yearly heating costs instantly.

Pool Pump Electricity Cost Calculator

Calculate the electricity cost of running your pool pump daily, monthly, and yearly. Find out how much your pool pump adds to your energy bill.

Refrigerator Energy Cost Calculator

Calculate how much your refrigerator costs to run per year. Enter your fridge's annual kWh from the EnergyGuide label to see daily, monthly, and yearly runni...

Smart Home ROI Calculator

Calculate the return on investment for smart home devices. See payback period, 5-year ROI, and lifetime savings for thermostats, lights, and more.

Solar Battery Size Calculator

Calculate the right battery storage capacity for your solar system. Find out how many Tesla Powerwalls or equivalent batteries you need for backup power.

Solar Panel Savings Calculator

Estimate solar panel monthly savings, yearly savings, installed system cost, payback period, and 25-year net savings.

Solar Payback Calculator

Calculate how long it takes for solar panels to pay for themselves. Factor in system cost, tax credits, annual savings, and panel degradation.

Solar System Size Calculator

Calculate the right solar system size for your home. Find out how many panels you need based on your electricity usage and local sun conditions.

Washing Machine Electricity Cost Calculator

Calculate your washing machine electricity cost per load, per month, and per year. Find out how much it costs to run your washer with our free calculator.

Financial

Loans, taxes, salary, retirement, ROI, and money tools.

Daily Life

Everyday calculators for dates, discounts, tips, and planning.