1. What is Generator Wattage Calculation?

The generator wattage calculation determines the power requirements needed to run all your appliances plus account for starting surges. Proper calculation ensures your generator can handle your electrical needs.

2. How Does the Calculator Work?

The calculator uses the wattage formula:

Where:

• Appliance Watts — Total running wattage of all appliances
• Starting Surge — Additional wattage needed for motor startup

Explanation: Many appliances, especially those with motors, require significantly more power to start than to run continuously.

3. Importance of Proper Wattage Calculation

Details: Undersizing a generator can lead to overload and damage, while oversizing wastes fuel and money. Accurate calculation ensures reliable power supply.

4. Using the Calculator

Tips: Add up the running watts of all appliances you plan to power simultaneously. Add the highest starting surge wattage from any single appliance.

5. Frequently Asked Questions (FAQ)

Q1: How do I find appliance wattage?
A: Check appliance labels or manuals. Alternatively, use: Watts = Volts × Amps (for devices that list amps but not watts).

Q2: What's typical starting surge for common appliances?
A: Central AC (2000-5000W), Refrigerator (1000-2000W), Well pump (1000-3000W) - check your specific model.

Q3: Should I add all starting surges?
A: No, only add the largest single starting surge since appliances won't all start simultaneously.

Q4: What safety margin should I add?
A: It's recommended to add 10-20% to your calculated total for safety and future expansion.

Q5: Can I run my entire house on a generator?
A: Whole-house generators typically range from 10,000-50,000W. Calculate your total needs to determine required size.