Floor Jack vs Jack Stands | Why You Need Both

A floor jack lifts a vehicle; jack stands hold it up safely so you can work underneath without relying on hydraulics.

For the full breakdown, see our best Lightweight Floor Jack guide.

Anyone who’s changed a tire knows the frustration of a floor jack, but the distinction between this tool and a set of jack stands isn’t just technical—it’s the line between a safe repair and a serious accident. Floor jacks raise vehicles; jack stands support them. The two tools work together as a system, and understanding the separation of jobs between them is what keeps you out from under a falling car.

What Each Tool Actually Does

A floor jack is a mobile, wheeled hydraulic device built to lift part of a vehicle to working height. It’s quick and convenient for a tire rotation or brake job, but its hydraulic seals are not designed to hold a car’s weight for long stretches. Jack stands are stationary, height-adjustable mechanical supports engineered to do exactly that.

The critical safety rule: never crawl under a vehicle supported only by a floor jack. A stand’s job begins only after the lift is complete, and the vehicle’s weight has been fully transferred onto the stands.

How To Lift A Car With A Floor Jack And Jack Stands

Following the correct sequence keeps the process safe from start to finish. Here’s the order that works.

• Park on a firm, level surface and set the parking brake.
• Chock the wheels, then confirm both the jack and the stands are rated for the vehicle’s weight.
• Raise the vehicle at the manufacturer’s designated lift points and support locations.
• Position the jack stands under the vehicle before lowering.
• Lower the jack slowly until the vehicle’s weight rests on the stands and the contact pad is snug.
• Remove the floor jack from the load path before getting underneath.

The manufacturers’ guidance for safe lifting is consistent on this point: stands should be used in pairs, and the load must stay balanced across both. Washington State’s labor department reinforces this in its safety research on shop accidents, noting that improper use of floor jacks is a known cause of serious injury in professional settings.

Matching The Tools To The Vehicle

Trucks and SUVs need heavier-duty equipment than a compact sedan. A 3-ton floor jack plus a 3-ton set of stands is the baseline for large vehicles, because load and balance issues multiply the risk on a taller, heavier chassis.

Whatever you buy, check the rated capacity per stand, not per pair. Two 2-ton stands support a 4-ton section of vehicle only if the weight is balanced evenly—which it rarely is, so buy with a safety margin.