EV Calc
Simple, instant EV charging calculations.
Let's get set up — takes about 30 seconds.
Step 1 of 1  ·  Battery Size
What's your battery capacity?
Find this in your car's spec sheet — it's usually listed in kWh. Pick your model below or type it in.
Search your car model…
or enter manually
kWh
You're all set!
Your battery capacity is saved. You can update it any time from the calculator.
Your setup
Battery capacity —
— kWh
How long will charging take?
Current
20%
Target
80%
0%25%50%75%100%
—
Select a charger power above to calculate
Tip: Most manufacturers recommend charging to 80% for day-to-day use to preserve long-term battery health. Only charge to 100% before long trips.
Details
Energy needed—
Charger power—
% to add—
How much will I gain?
HOURS
MINUTES
—
Select charger power and enter duration above
Tip: DC rapid chargers (50 kW+) often slow down above 80% to protect battery cells — your last 20% takes longer than the first 80%.
Details
Energy delivered—
Charger power—
Duration—
Update Battery Capacity

Change your saved battery size. Pick a model or enter a custom value.

Search your car model…
or enter manually