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Ladeomkostningsberegner for elbil

Estimer omkostningerne og energien, der kræves for at oplade din elbil til et målniveau.

Introduktion

EV Charging Cost Calculator — Estimate the cost and energy needed to charge your EV to a target level. Enter Battery capacity (kWh), Current charge (%), Target charge (%), Electricity rate ($/kWh), Charger efficiency (0-1) to get an instant, accurate result.

Formel

Energy needed (kWh) = battery capacity × (target% − current%) / 100 / charger efficiency. Cost = energy needed × price per kWh.

Trin for trin

  1. Enter the Battery capacity (kWh).
  2. Enter the Current charge (%).
  3. Enter the Target charge (%).
  4. Enter the Electricity rate ($/kWh).
  5. Enter the Charger efficiency (0-1).
  6. Click Calculate to see your result instantly.

Eksempel fra virkeligheden

Example: With Battery capacity (kWh) = 75, Current charge (%) = 20, Target charge (%) = 80, Electricity rate ($/kWh) = 0.15, Charger efficiency (0-1) = 0.9, the EV Charging Cost Calculator gives Kwh Needed: 50, Cost: 7.5.

Ofte Stillede Spørgsmål

Why divide by charger efficiency?
Not all electricity pulled from the wall reaches the battery — some is lost as heat during charging, so dividing by efficiency (e.g. 0.9 for 90%) gives the real energy you pay for.
Does this account for charging speed tiers (AC vs DC fast charging)?
No, it only needs the percentage gained and your electricity rate — charging speed affects time, not total cost.
What inputs does the EV Charging Cost Calculator need?
You'll need to provide: Battery capacity (kWh), Current charge (%), Target charge (%), Electricity rate ($/kWh), Charger efficiency (0-1). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the EV Charging Cost Calculator?
The EV Charging Cost Calculator applies the formula exactly as calculated — Energy needed (kWh) = battery capacity × (target% − current%) / 100 / charger efficiency. Cost = energy needed × price per kWh. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the EV Charging Cost Calculator free to use?
Yes, the EV Charging Cost Calculator is completely free, requires no signup, and runs instantly in your browser.

Om Ladeomkostningsberegner for elbil

The EV Charging Cost Calculator uses a real, verifiable formula — Energy needed (kWh) = battery capacity × (target% − current%) / 100 / charger efficiency. Cost = energy needed × price per kWh. — so results are accurate every time, not an approximation.