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EV Charger Calculator
Charge time, circuit size, wire gauge, and breaker for 30+ electric vehicles
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Vehicle & Charging Setup
Charging Results
Estimated Charge Time
3.8 hrs
20% → 80% • 36.0 kWh added
Energy Added
36.0 kWh
Charger Power
9.6 kW
Battery Size
60 kWh
Circuit Requirements
Charging Current
40.0A @ 240V 1Φ
Circuit Size (125% continuous)
50.0A
Breaker Size
50A
Wire Gauge (75°C Cu)
6 AWG
Estimated Level 2 Install Cost
$800 – $2,000
Includes EVSE unit, wiring, breaker, and typical labor
EV Charging Reference
NEC 625.41EV charging rated as continuous load — circuit sized at 125% of charger rating
NEC 625.42Dedicated branch circuit required for each EVSE
NEC 210.17One additional 50A, 208/240V branch circuit required for new dwelling units (2023 NEC)
Level 1120V / 12A (1.4 kW) — standard outlet, ~3-5 miles of range per hour
Level 2240V / 30-80A (7.2-19.2 kW) — dedicated circuit, ~25-60 miles of range per hour
DC Fast480V 3Φ — commercial, ~150-1000 miles of range per hour
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