Load Calculator

Standard Method (NEC 220) — 2023 Edition

Effective until official adoption of the 2026 Code Cycle (September 1, 2026).
Always Verify Local Codes.

Occupied Sq Ft

ft²

SABC Circuits

Laundry Circuits

NEC 220.53

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Common Items (Tap to fill):

NEC 220.54

Nameplate Watts

Calculated at min 5000W.

NEC 220.55

Nameplate Watts

Most ranges count as 8000W.

NEC 220.60

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Air Conditioning

Amps

Enter RLA (Nameplate Amps)

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Electric Heat

Watts

Enter Total Watts (kW x 1000)

The calculator automatically selects the larger load.

LEGAL DISCLAIMER:The results provided by MelynCalc are estimates based on NEC Article 220. Not for professional use without verification.

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Enter values to see calculated load.