Visualize and Plan Your Home Electrical System
Planning your home’s wiring can feel overwhelming, especially when upgrading appliances or preparing for EV installation. Home Electrical Load Calculator by Grus.io is a free electrical load calculator built for homeowners, DIYers, and electricians. With a visual interface, you can map circuits and use the exact home circuit calculator features to ensure safe panel layout.

⚡ Calculate Your Household Power Usage
Estimate usage by room, appliance, or circuit with the home circuit calculator
Track wattage and amp usage room by room, see circuit-level totals, and include safety margins to avoid overloads. This Home Electrical Load Calculator helps you plan accurate load distribution across breakers.
🏠 Use the Home Circuit Calculator for Easy Planning
Plan circuits visually with the home circuit calculator interface
Drag-and-drop appliances into your virtual breaker panel. Visualize the load and make adjustments before flipping any breakers—no guesswork, just smart planning.
🛡️ Design Breaker Panels Confidently
Assign appliances using the breaker panel planner
Spot overloaded circuits early, balance loads across multiple breakers or subpanels, and get suggested breaker sizes. This breaker panel planner gives you peace of mind during upgrades and installations.
🔧 Smart Features Tailored to Home Needs
Support for EVs, heat pumps & future upgrades
Plan for electric vehicle chargers, heat pumps, or home extensions—split-phase support and contractor-ready output included. Ideal for long‑term projects or retrofit planning.
🔍 Why Accurate Load Calculation Matters
Without proper planning, homes risk tripped breakers, failed inspections, or wiring failures. Especially in projects involving new appliances or EV chargers, using a precise electrical load calculator ensures compliance with NEC guidelines and avoids costly errors.
🧰 Who Should Use This Tool?
Homeowners, electricians, DIYers, and students
If you're a homeowner upgrading kitchen or HVAC systems, a DIY enthusiast installing new wiring, an electrician doing field checks, or a student learning circuit balance—Home Electrical Load Calculator supports your needs with clarity and reliability.
✅ Start with HomePanelCalculator Free Today
Use this home circuit calculator and breaker panel planner to prevent overloads, size breakers properly, and plan upgrades with confidence. Start now at Grus.io.
🔌 Power up smarter—and safer—with Grus.io’s tool.
❓ FAQ — Home Electrical Load Calculator, Home Circuit Calculator, Breaker Panel Planner
What is an electrical load calculator?
It helps estimate your home’s power usage—per room, appliance, and circuit—to avoid overloads and plan breaker capacity.
How does a home circuit calculator work?
You drag appliances into circuit slots, and the tool automatically calculates loads and balances them visually.
What is a breaker panel planner and why is it useful?
It lets you design your breaker layout, assign circuits, and ensure balance and safety before starting physical wiring.
Can I plan for future upgrades like EV chargers?
Yes. Home Electrical Load Calculator includes EV and appliance planning support, scaling load estimates over time.
Does using this tool ensure compliance with electrical codes?
While not a replacement for licensed design, it estimates load using NEC-aligned safety margins and common appliance specs for greater accuracy.