All math runs in your browser. No account is required and inputs can be saved locally.
LocalStorageWattrix estimates trip energy needs, charging time, and approximate cost. Designed with neon-glass UI, accessible tokens, and a smooth loading flow.
All math runs in your browser. No account is required and inputs can be saved locally.
LocalStorageUsable kWh, Wh/km or Wh/mi, charger kW, buffer, and price per kWh. Clear results with trip breakdown.
Wh/km • kW • €/kWhYour data stays on your device. No tracking, no cloud sync, and no ads. Plan trips securely and privately.
No trackingEnter capacity, efficiency, and power. Get an instant estimate and a readable breakdown.
See the minimum time to cover energy shortfall and plan a pre-trip top-up.
Neon glass cards, conic borders, and focus rings deliver a cohesive futuristic style.