Panel Load Calculator | DMA Electric

Home basics

NEC 220-3(b), 220-12

Living area (square feet, excluding garage/unfinished basement)

Small appliance circuits (min. 2 — NEC 220-11(C), 220-52(A))

Laundry circuits (min. 1 — NEC 220-11(C), 220-52(B))

Fixed appliances

NEC 220-11(C), 220.53

Dryer

NEC 220.54 — minimum 5,000 VA

Calculated for reference — not included in the total below, matching standard worksheet convention. Confirm with your electrician if this project's total should include it.

Cooling / heating

NEC 220.82(C), 220.6

Heating load is calculated for reference only — only cooling load(s) count toward the total below.

EV charger

NEC 220.57 — minimum 7,200 VA at 100%

Largest motor load

Single phase, counted at 25%

Current panel

Your existing panel size

Estimated Demand

— A

Total calculated service demand

Included in total

General load demand (A′+B′, NEC 220.82(B))—

Cooling load(s) (C)—

EV charger (D)—

Largest motor @ 25%—

Reference only — not in total

Dryer—

Heating load—

Enter your details to see a result.

Estimate only, based on NEC 220.82(B) (general demand), 220.82(C) (cooling/heating), and 220.57 (EV charger). Recommended panel size reflects standard ampere ratings per NEC 240.6(A). Final panel sizing must be confirmed by a licensed electrician during an on-site inspection.