EV
EV charging cost
Estimate the monthly electricity cost of home charging from miles, efficiency, and your rate.
Monthly charging$45.00250 kWh used
Yearly charging$540.00at your electricity rate
Cost per mile5celectricity only
Household electricity estimates
Know what a home energy choice costs.
Wattwise gives quick, editable estimates for common household energy decisions: charging an EV, running cooling, using appliances, or checking a solar quote.
Current estimate$45.00
editablehome
Calculator hub
Estimate the bill impact before you change the habit.
Assumptions
Every estimate is only as good as the inputs you control.
Use your real rate
Electricity prices vary by utility, plan, and time of use. Start with the per-kWh rate printed on your bill.
Match the actual pattern
A few extra hours per day can change the answer. Use the room, commute, or appliance schedule you actually expect.
Treat results as estimates
The calculators ignore taxes, demand charges, weather swings, financing, maintenance, and utility plan changes.
Use cases
Use it when a bill decision needs a fast first-pass answer.
- 01Before changing a routine
Check what more cooling hours, charging miles, or appliance usage could add in a normal month.
- 02Before comparing equipment
Estimate operating cost differences before buying an appliance, AC unit, EV charger, or solar system.
- 03Before reading a quote
Turn a sales claim into a simple payback or monthly-cost estimate you can question.