Loading Ramp Calculator Load Ramp Calculator Ground Clearance (inches) * Distance from the bottom of the vehicle to the ground Wheel Base (inches) Distance from the center of the front axle to the center of the rear axle Vertical Rise (inches) Vertical height of the loading surface to the ground Foot Ramp If you are human, leave this field blank. Submit Δ DEPENDABLE 24 HOUR MOBILE WELDING SERVICEServing Western Canada Contact us Today