Simple Petrol/Gasoline Usage Calculator Petrol/Gasoline Usage Calculator Mower Type: Push Mower Self-Propelled Mower Ride-On Mower Zero-Turn Mower Engine Size (cc): Grass Condition: Light (short, dry grass) Medium (normal mowing) Heavy (long, wet grass) Mowing Time (hours): 2-Stroke Engine (uses ~15% more fuel) Estimate Fuel Usage