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Calcimator

EV Charging Time Calculator

Calculate how long it takes to charge an electric vehicle based on battery size, current charge level, target level, and charger power.

Inputs

kWh
%
%
kW

Results

Charging Time

416 min

Estimated Cost

$7.50

≈ 2 cups of coffee

Charging Time6.94 hrs
Energy Added45 kWh
How to Use This Calculator
  1. Enter your EV's Battery Capacity in kWh.
  2. Set Current Charge (%) and Target Charge (%) — 80% is optimal for daily charging.
  3. Enter the Charger Power in kW: Level 1 ≈ 1.4 kW, Level 2 ≈ 7–19 kW, DC Fast ≈ 50–350 kW.
  4. Review Charging Time in minutes and hours, Energy Added in kWh, and Estimated Cost.

How the result changes with Target Charge

Target ChargeCharging TimeEstimated Cost
11-62 min-$1.12
36111 min$2.00
65313 min$5.63
90486 min$8.75

What each input means

Battery Capacity
Total battery capacity of your EV.
Current Charge
Current state of charge (SOC) percentage.
Target Charge
Desired charge level. DC fast charging slows significantly above 80%.
Charger Power
Charger output: Level 1 (~1.4kW), Level 2 (~7-19kW), DC Fast (~50-350kW).

What each result means

Charging Time
Estimated time to reach target SOC.
Charging Time
Charging time in decimal hours.
Energy Added
Total energy delivered to the battery.
Estimated Cost
Charging cost ($0.15/kWh home, $0.35/kWh DC fast).

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Battery Capacity = 75, Current Charge = 20, Target Charge = 80, Charger Power = 7.2 = 4 input(s) provided
  2. Calculate Charging Time
    Charging Time
    416 = 416
  3. Calculate Charging Time
    Charging Time
    6.94 = 6.94
  4. Calculate Energy Added
    Energy Added
    45 = 45

Engine last updated . Checked against 1 independently-derived test — how we verify calculators.

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