Battery & EV Charge Time Calculator
Calculate charge time, finish time, and costs for EVs and batteries - with charge curve and live tracking.
Charging Power & Connection
Battery Capacity
Charge Level
Start Time
Advanced Parameters (Losses & Costs)
Charge Progress & Battery Level
-- kWhLive Charge Tracking
Ready to chargeMilestones & Charge Stops
| Milestone | Energy (+kWh) | Duration | Time |
|---|
Note: All calculated values (duration, energy, costs, and range) are rough estimates for guidance. Real-world charging results may deviate depending on ambient temperature, battery preconditioning, vehicle charging curves, and grid fluctuations.
Popular uses
How does this tool work?
Interactive charging time calculator for electric vehicles, home storage, and batteries, factoring in efficiency losses, SoC ranges, and scheduled start times.
Calculates required energy (net/gross in kWh), duration factoring in efficiency, estimated completion time, electricity costs, and added driving range. Features real-time charge tracking, calendar reminders, and shareable links. Note: All calculations including costs and durations are approximate estimates and may deviate from real-world charging due to ambient temperature, battery preconditioning, and vehicle charging curves.
Where are my data processed?
Only in your browser. Your data is not sent to any server.
The tool calculates and converts with JavaScript right on your device. Input and files are not sent to us or anyone else. You can check this yourself: load the page, disconnect from the internet, and the tool keeps working in the open tab.