Home Energy Desk tools
EV Charging Calculators
Estimate EV charging time, home and public charging cost, charger size, circuit demand, solar requirements, and tariff savings.
Explore every ev charging calculators
EV Charging Time Calculator
Estimate wall energy, charging duration, and session cost from battery capacity, charge levels, charger power, and losses.
EV Charging Cost Calculator
Estimate EV cost per 100 miles, annual wall energy, and annual home-charging expense with an optional gasoline comparison.
Home EV Charger Size Calculator
Estimate the charger power needed to replace typical daily driving energy within an available overnight charging window.
EV Charger Circuit Estimate Calculator
Estimate charging current and a preliminary continuous-load circuit rating from charger power and supply voltage.
Solar Panels Needed for an EV Calculator
Estimate annual EV charging energy, solar array capacity, and panel count needed to offset driving energy.
EV vs Gasoline Cost Calculator
Compare annual energy cost and cost per mile for an electric vehicle and a gasoline vehicle.
Time-of-Use EV Charging Savings Calculator
Estimate annual EV charging cost under time-of-use rates and compare it with a flat electricity rate.
Public vs Home EV Charging Cost Calculator
Compare annual charging cost for a blended mix of home and public charging with all-home and all-public scenarios.
EV Range Added per Hour Calculator
Estimate miles or kilometers of driving range added for each hour of home or public charging.
EV Trip Charging Cost and Time Calculator
Estimate road-trip energy use, charging stops, charging time, and charging cost for an electric vehicle.
How to use these tools
Choose the calculator that matches your decision, enter values from equipment labels, utility bills, manuals, or verified specifications, and test more than one scenario. Calculator results are planning estimates. Confirm electrical, structural, HVAC, battery, and code-sensitive decisions with qualified professionals and applicable local requirements.