Welcome to MyElectricCalc
Electric Load Calculator
| Appliance | Wattage (W) | Quantity | Total (W) | Action |
|---|
Load Calculation Results
Common Appliances
Common Home Appliances & Typical Wattage (US)
Use these standard US appliance wattages as reference when calculating your home electrical load. All values are based on typical US residential appliances running on 120V or 240V circuits.
| Appliance | Typical Watts | Voltage | Avg. Daily Use |
|---|---|---|---|
| Central Air Conditioner | 3,500W | 240V | 8 hrs |
| Electric Water Heater | 4,500W | 240V | 3 hrs |
| Electric Dryer | 5,500W | 240V | 1 hr |
| Electric Range/Oven | 8,000W | 240V | 1 hr |
| Refrigerator | 150W | 120V | 24 hrs |
| Washing Machine | 1,000W | 120V | 1 hr |
| Dishwasher | 1,500W | 120V | 1 hr |
| Microwave | 1,200W | 120V | 0.5 hrs |
| EV Charger (Level 2) | 7,200W | 240V | 4 hrs |
| LED Lighting (whole house) | 500W | 120V | 6 hrs |
| Pool Pump | 2,500W | 240V | 6 hrs |
| Ceiling Fan | 75W | 120V | 8 hrs |
| TV (55 inch) | 100W | 120V | 5 hrs |
| Desktop Computer | 300W | 120V | 8 hrs |
| Generator (portable) | 5,000W | 120/240V | As needed |
* Wattage values are typical US residential averages. Always check your appliance nameplate for exact ratings. Use the calculator above to get your personalized total load estimate.
How to Use the MyElectricCalc Load Calculator
Using our free electrical load calculator takes less than 2 minutes. Follow these simple steps to calculate your home's total electrical load accurately — no electrician needed.
Click "Add Appliance"
Start by adding each appliance in your home — AC unit, refrigerator, washer, dryer, water heater, and lighting. Select from our preset list or enter custom wattage values.
Set Quantity and Hours
Enter how many of each appliance you have and how many hours per day you typically run them. This gives you an accurate daily energy consumption figure in kWh.
Click "Calculate Load"
Hit the Calculate button and instantly see your total load in watts and kilowatts, recommended circuit breaker size for both 120V and 240V, and your estimated monthly energy consumption.
Review Your Results
Use your results to size a generator, plan a solar system, verify your panel capacity, or prepare for an electrician visit. All calculations follow US NEC standards for accuracy.
Who Is This Calculator For?
🏠 Homeowners
Check if your panel can handle new appliances or an EV charger without hiring an electrician first.
⚡ Electricians
Quick on-site load estimates for residential projects before doing full NEC Article 220 calculations.
☀️ Solar Installers
Estimate total home load before sizing solar panels, inverters, and battery backup systems.
🔌 DIY Planners
Planning a basement finish, garage conversion, or home addition? Know your load requirements before you start.
🔹 Frequently Asked Questions
Q1. What is an electric load calculator?
An electric load calculator helps you estimate the total power usage of your appliances and devices to ensure safe and efficient electrical planning.
Q2. Who should use this tool?
This tool is ideal for homeowners, electricians, solar installers, and anyone planning wiring or backup power systems.
Q3. Is this tool free to use?
Yes, MyElectricCalc is completely free to use and accessible on all devices.
Q4. Can I use this calculator for solar panel planning?
Yes! This calculator helps estimate total load, which is crucial for sizing solar inverters and battery backup systems.
Q5. Does this calculator provide accurate results?
While it’s designed for accurate estimates, always consult a licensed electrician for final load calculations.
📚 Latest Electrical Guides
Fresh articles published daily to help US homeowners understand their home electrical system.
How Many Amps Does a Refrigerator Use?
Learn the exact amperage for every refrigerator type plus NEC circuit requirements for US homes.
How Many Amps Does a Dryer Use?
Complete guide to dryer amperage, breaker sizing, wire gauge and NEC code requirements.
How Many Amps Does a Washing Machine Use?
Washing machine amperage, dedicated circuit requirements and breaker sizing for US homes.
Free Electrical Load Calculator for US Homes | NEC-Based Panel Sizing Tools