Electric Vehicles (EV)
Battery Capacity (kWh) Calculator
Lets users compare and budget battery capacity (kwh) instantly with formula, steps and examples — no manual math.
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V
Ah
Your result
Energy capacity
39.76 kWh
355 V × 112 Ah = 39.76 kWh.
Watt-hours
39,760 Wh
About this calculator
Battery energy (kWh) = nominal voltage × amp-hours ÷ 1,000. Usable capacity is typically 4-8% below gross because packs protect the top and bottom of the charge window.
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