Axis Intelligence Tool
EV Charging Time Calculator
Enter your EV's battery size, charger output, and current charge level. Results update instantly.
Battery capacity (usable kWh)
Check your EV's spec sheet — use usable, not gross capacity
kWh
Nissan Leaf (40)
Model 3 LR (75)
Ioniq 5 (84)
Model S (100)
Charger output (kW)
What the charger delivers — not the car's max acceptance rate
kW
Level 1 (1.4)
L2 Home (7.7)
L2 48A (11.5)
DCFC 50kW
DCFC 150kW
DCFC 350kW
Current charge (%)
%
Target charge (%)
%
Electricity rate
US avg: $0.18/kWh (EIA 2026)
$
/kWh
Temperature
Affects charging speed
Above 50°F / 10°C (normal)
32–50°F / 0–10°C (cool)
14–32°F / -10–0°C (cold)
Below 14°F / -10°C (very cold)
Charging efficiency
Energy lost as heat during transfer
90%
80% (Level 1)
90% (Level 2 typical)
95–98% (DCFC)
0%
50%
100%
80% taper
—
to reach target
Energy needed
— kWh
From the wall
— kWh
Charging cost
$—
Effective power
— kW
⚡
Estimate only. Actual time varies by car's onboard charger limit, battery temperature, and DCFC taper.
See methodology.
Calculator by
Axis Intelligence
·
Full methodology & related guides
· Data: EIA 2026, NREL, Geotab fleet study (22,700 EVs)