How Much Gas Does a Generator Use? Fuel Up Smartly!
⛽ If you're running a mobile detailing business—or simply relying on a generator for backup power—you’ve probably asked yourself, “How much gas does this thing really use?” Knowing the answer isn’t just helpful for budgeting… it’s essential for planning, efficiency, and cost control . This guide breaks down exactly how much fuel different types of generators consume, and how to calculate runtime per gallon based on wattage, load, and usage habits. 🔍 What Affects Generator Gas Usage? Fuel consumption varies based on a few core factors: Generator size (wattage output) Load level (how much power you're using) Engine efficiency & age Fuel type (gasoline, propane, diesel) Runtime duration per day On average: A 2,000-watt generator uses about 0.2–0.3 gallons/hour at 50% load A 5,000-watt generator can use 0.6–0.8 gallons/hour Larger 10,000-watt units may burn up to 1.2 gallons/hour or more ...