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Both calculators run independently — change the inputs on either side to compare results.

EV Charging Cost & Time Calculator

Estimate the total cost of charging your EV from one state of charge to another, including charging losses and any time-based (per-minute or idle) session fees that depend on charger speed.

Battery Capacity (kWh)

Current Charge (%)

Target Charge (%)

Charging Efficiency (%)

Electricity Rate ($/kWh)

Charger Power (kW)

Time-Based Session Fee ($/hr)

Automotive

Car Battery Capacity Calculator

Find out how many hours your car battery can power an electrical load before draining. Use this when running accessories, winches, or camping equipment off your vehicle's battery.

Battery Amp Hours (Ah)

Electrical Load (Amps)

Key differences

	EV Charging Cost & Time Calculator	Car Battery Capacity Calculator
Category	Automotive	Automotive
Inputs required	7	2
Result	Total Charging Cost ($)	Runtime (hours)
What it does	Estimate the total cost of charging your EV from one state of charge to another, including charging losses and any time-based (per-minute or idle) session fees that depend on charger speed.	Find out how many hours your car battery can power an electrical load before draining. Use this when running accessories, winches, or camping equipment off your vehicle's battery.