RV Generator Size Calculator: What Size Generator Do I Need for my RV? RV Guides, December 11, 2024December 21, 2024 Planning your RV adventures and wondering what size generator you need? Our RV Generator Size Calculator helps you determine the right generator size to power all your essential appliances and devices. Whether you’re a weekend camper or full-time RVer, having the right generator is crucial for a comfortable off-grid experience. RV Generator Size Calculator Select Your Appliances Additional Power Needs Additional Watts (optional) For any devices not listed above Usage Pattern Will multiple high-power appliances run simultaneously? Will you be camping at high altitude? (Above 3,000 feet) Calculate Required Generator Size Power Requirements Running Watts Starting Watts What is an RV Generator Size Calculator? An RV generator size calculator is a specialized tool that helps RV owners determine the appropriate generator size for their specific needs. This calculator considers: Power requirements of various RV appliances Starting (surge) watts vs. running watts Simultaneous appliance usage Environmental factors like altitude Safety margins for reliable operation The calculator helps prevent both undersizing (which can lead to generator failure) and oversizing (which wastes money and fuel). How to Use the RV Generator Size Calculator? Step-by-Step Guide: Select Your Appliances Check all appliances you plan to use Enter quantities for multiple items Note both running and starting watts Consider seasonal appliances Additional Considerations Add any unlisted devices Consider simultaneous usage Account for altitude effects Include future power needs Review Results Check total running watts Verify peak starting watts Review generator recommendations Consider safety margins Frequently Asked Questions (FAQ) Q: What's the difference between running watts and starting watts? A: Understanding power requirements: Running watts: Power needed for continuous operation Starting watts: Extra power needed during startup (especially for motors) Starting watts can be 2-3 times higher than running watts Generator must handle both requirements Q: How do I know if my generator is big enough? A: Look for these indicators: Generator runs without straining No circuit breaker trips Appliances start normally Voltage remains stable No overload warnings Q: Should I get a bigger generator than calculated? A: Consider these factors: Future appliance additions Altitude effects Temperature extremes Maintenance intervals Fuel efficiency at different loads Q: Does altitude affect generator performance? A: Yes, altitude impacts generators: Power output decreases with altitude About 3.5% loss per 1,000 feet above sea level May need larger generator at high altitudes Temperature changes also affect performance Q: What are common sizing mistakes? A: Avoid these errors: Forgetting about starting watts Not considering simultaneous use Ignoring altitude effects Overlooking future needs Choosing based on price alone Q: How often should I run my generator? A: Maintenance considerations: Run monthly for 15-30 minutes Exercise under load Follow maintenance schedule Consider usage patterns Monitor performance regularly Q: Can I run a generator continuously? A: Operating guidelines: Most portable generators: 8-12 hours Built-in RV generators: 24/7 if maintained Regular maintenance required Monitor oil and temperature Allow cooling periods Enjoyed this RV Generator Size Calculator? Then be sured to check out our other RV guides. Best 12 Volt RV Battery Best Cell Phone Signal Booster for RV Best Generator for 30 Amp RV Best Generator for 50 Amp RV Best 3000 Watt Inverter Generator for RV Best Dual Fuel Inverter Generator for RV RV Tools RV