-- FREE TOOL · UPDATED FOR 2026 EV Charging Amps Calculator Find your safe breaker size, wire gauge, and charging time in seconds. Sizing a home EV charging circuit comes down to one question: how many amps does your EV charger actually need? This EV charging amps calculator applies the same continuous-load logic electricians use for Level 1 and Level 2 charging — including the NEC 80% rule — to show your safe amp draw, required breaker or MCB size, recommended wire gauge, charging power in kW, and estimated full-charge time. Built for homeowners in the United States, Canada, United Kingdom, Australia, and the EU planning a Level 2 (240V/230V) or Level 1 (120V) EV charger installation. 1 Region & voltage Electrical standards differ by country — pick yours to get accurate amp values. 🇺🇸 USA & Canada 🌍 UK, Europe & Australia 120V · ...
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