EV charging calculator
A hands-on way to explore common questions: How many miles does overnight charging add on a household outlet? How long might a highway fast-charge stop take? Pick a vehicle preset or enter your own battery size, charger type, and efficiency to see how the numbers change.
Your vehicle
Pick your car — we fill in battery size, efficiency, and charging limits from typical specs. Home charging estimates assume a 10-hour overnight window.
Pick a popular US model or enter your own usable capacity. Home charging uses usable kWh, caps at the vehicle’s onboard AC limit, and includes ~11% AC conversion loss. Some trims offer faster onboard AC (up to 19.2 kW) — choose Custom to match your car or home setup.
Charging source
Home charging respects your vehicle’s onboard AC limit when a preset is selected. DC fast charging also caps at your car’s maximum DC rate.
At a glance
- Energy rate
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- Range rate
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- Usable range (full)
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- Range added overnight
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- 0 → 80% battery
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- 0 → 100% battery
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- Estimated stop time
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- Charge to
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- Range when you unplug
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- Range at 80%
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- Peak range rate (vehicle)
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- Energy added
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Same charger, different efficiency
| Efficiency | Miles / hour | Overnight range added |
|---|---|---|
| Efficiency | Peak miles / hour | Range at 80% charge |
Recover daily driving
Energy needed to add back a day’s miles, compared to your overnight window and battery size.
| Daily miles | Hours to recover | Overnight fit |
|---|
Educational estimates only. Real charging slows as the battery fills, varies with temperature, and may be limited by your car’s onboard charger or its maximum fast-charge rate. Do not rely on this for trip planning or electrical installation decisions.