Outlet & Switch Spacing Calculator

Calculate the number of outlets, GFCI receptacles, and switches needed per NEC code. Select your room type and enter dimensions to see device counts and compare costs across residential, commercial, spec-grade, and smart outlet options.

Room Type

Room Perimeter (ft)

Number of Doorways

Residential Grade Pricing (edit to match local rates)

Standard Outlet ($/ea)

GFCI Outlet ($/ea)

Switch ($/ea)

Cover Plate ($/ea)

Standard Outlets

Per NEC spacing

GFCI Outlets

Code-required

Switches

Per room entries

Total Devices

+ 6 cover plates

Outlet Grade	Device Count	Total Cost
ResidentialBest value	6 devices	$9.00
Commercial	6 devices	$27.00
Spec-Grade	6 devices	$56.00
Smart Outlet	6 devices	$200.00

Most Affordable: Residential — $9.00For your living/bedroom space, you need 4 standard outlets, 0 GFCI outlets, and 2 switches. The most budget-friendly option is residential grade at $9.00.

Outlet and switch counts are based on NEC minimum requirements. Local codes may require additional devices. Always verify with your local building department and hire a licensed electrician for permitted work.