DIY Home Renovation Electrical Calculator

Outlet Authority LoadMap Pro

Pre-score your outlets, light fixtures, vanity lights, and switches room by room before you cut drywall, buy devices, or overload a circuit. This gives DIY renovators a fast planning snapshot so fixture placement and estimated load decisions feel cleaner, smarter, and far less risky.

Best For
Room Layouts
Tracks
Fixtures + Load
Mode
DIY Planning
Output
Instant Risk Score

Add a Room

Enter the room details, basic electrical fixture counts, and estimated wattage. The calculator scores the room based on fixture density and estimated circuit usage so you can spot likely problem zones fast.

Project Load Snapshot

This planning snapshot is designed for early fixture mapping and DIY renovation decision-making. It is not a substitute for code review, permit requirements, or licensed electrical work where required.

Total Estimated Watts
0
Combined estimated fixture and plug-in load across all added rooms.
Recommended Circuit Capacity
1920
Based on your selected breaker and voltage using an 80% planning threshold.
Load Usage
0%
How hard your current plan is leaning on the selected circuit setup.
Project Risk Level
Low
A quick-glance score based on density, load pressure, and room types.
Add your first room to generate a personalized fixture-load snapshot.
Planning assumptions use simple DIY-friendly estimates. Kitchens, bathrooms, laundry, garage, and exterior spaces tend to need extra scrutiny because fixture use, outlet demand, and protection requirements can get more specific fast.