Free, accurate calculators for electricity bills, solar panels, Medicare, insurance, and mortgage — no sign-up required.
Pick a topic and get a free, personalized estimate in under 2 minutes.
Find out exactly how many solar panels you need, the estimated system cost, inverter and battery prices, and your monthly savings — by state.
Calculate Solar Savings →Enter your monthly kWh usage and your state to get an accurate estimated electric bill — then find out how to reduce it.
Estimate My Bill →Check if you qualify for Medicare, understand the 2026 changes (drug cap, insulin limits), and compare plan types side by side.
Check Medicare →See how much house you can afford based on your income, state, and down payment — with a full monthly payment breakdown.
Calculate Affordability →Get a rough estimate of your car insurance rate based on your age, state, driving record, and vehicle type — and see how to lower it.
Estimate Insurance →Beyond solar — explore wind, biogas, micro-hydro, and off-grid options. Find what makes sense for your location and budget.
Explore Alternatives →The average American household spends $1,956 per year on electricity — and rates have risen 21% since 2022. Our free tools help you understand your bill and explore alternatives.
The most popular option for US homeowners. Our calculator shows exact panel count, inverter, battery, and total system cost for your state.
Get Solar EstimateFor rural properties, small wind turbines and biogas from food/agricultural waste can significantly offset energy costs.
Explore AlternativesBefore switching energy sources, there are immediate steps to cut your bill — from time-of-use optimization to appliance upgrades.
Read the GuideNo sign-up. No personal data collected. Accurate estimates based on real 2026 US data.
Tell us your monthly bill, state, and home type. Takes less than 60 seconds.
Our calculator uses real 2026 state electricity rates, solar costs, and sun data to give you an accurate estimate.
Use your personalized results to make smarter decisions about solar, energy alternatives, or Medicare coverage.