Calculate EV Charging,
True Dollars per Mile.
Free EV charging calculators: home charging cost per month, gas vs electric cost per mile, public fast-charging prices, and road-trip charge stops.
Level 1 vs Level 2 vs DC Fast
120V trickle charging (3–5 mi/hr) vs 240V NEMA 14-50 (25–35 mi/hr) vs 400V/800V DC fast chargers.
Gasoline Cost Parity
Compare 3.5 miles/kWh at $0.14/kWh against a 28 MPG gasoline vehicle at $3.60/gallon.
Winter Temperature Degradation
Accounts for cabin PTC/heat pump resistive loads and cold battery electrochemical resistance (-20–30% range).
EVChargeMath Calculators
Home Charging Cost Calculator
What it costs to charge at home each month from your real utility rate, driving distance, and the car's efficiency.
Gas vs Electric Cost per Mile
Side-by-side cost per mile and annual savings: your gas car's MPG vs the EV's efficiency at your local prices.
EV Road Trip Stop Planner
How many charging stops a trip takes: distance, usable range, and charge time per stop — planned before you drive.
Public Fast Charging Cost Calculator
What a DC fast-charge session costs by the kWh rate and session fee — and how it compares to home.
Technical Reference Guides
The real cost of charging: home, work, and the highway
Three price tiers, one habit: charge where it is cheap, drive where it is fun.
Cold weather, range, and the honesty of your dashboard
Why winter EV math differs, and how to plan for it without Range Anxiety Theater.
12 mistakes people make with EV charging
The recurring errors we see in EV charging — what causes each one, and the habit that prevents it.