EV Calculators & Tools
Interactive decision tools for prospective and current EV owners. All free, no signup, no data collection.
EV Charger Panel Calculator
Will your home electrical panel handle a Level 2 EV charger? Free NEC 220.83 + 220.87 calculator with load-management credit and ranked recommendations if your panel needs work.
Cold-Weather Range Calculator NEW
How much range will your EV actually deliver at 20°F? Calibrated to AAA 2026 winter data + Recurrent heat-pump retention rates for 144 EV trims.
EV Tax Credit 2026 Explainer
What's left after the OBBBA killed the $7,500 federal credit Sept 30, 2025 — plus an interactive eligibility checker for the new $10k auto-loan interest deduction.
EV Incentives by State (Interactive Map) NEW
Click any state for its current EV rebate, registration fee, sales tax treatment, and right-to-charge law. Verified monthly.
EV Lease vs Buy Calculator NEW
Real market residual data instead of dealer estimates. Tells you when a lease is genuinely a good deal vs when you're being overcharged.
More tools coming soon: DC fast-charge curve comparator,
towing range calculator, time-of-use charging optimizer, real-world
range calculator, TCO comparator (EV vs gas).