AS/NZS 3000

Maximum Demand Calculator

Calculate residential maximum demand using AS/NZS 3000 diversity factors. Enter your loads and get an itemised breakdown with total demand in kVA and Amps.

For reference only — always verify with the current published standard and consult a licensed electrical engineer for critical installations.

Residential Load Inputs

Phase Configuration

Supply Voltage (V)

Lighting Circuits

Rated at 2A each

GPO Circuits (Socket Outlets)

Rated at 10A each

Cooking Appliance (kW)

Oven, cooktop, or combined

Hot Water System (kW)

Air Conditioning (kW)

Other Fixed Loads (kW)

Pool pump, EV charger, etc.

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