How to Put on Cabinet Knobs? | Position, Drill, Tighten

Install cabinet knobs by marking a spot 2.5 to 3 inches from the corner on the side opposite the hinge, drilling a pilot hole, and tightening from the front.

Putting on cabinet knobs is a simple upgrade that changes how your whole kitchen looks, but one wrong measurement means a visible hole in the wrong place. The good news is that a consistent, repeatable method takes about ten minutes per door. Before you pick up a drill, decide exactly where each knob will go — that decision matters more than the tightening.

Where to Position Cabinet Knobs

Standard cabinet knob placement is the side opposite the hinge, so the knob falls naturally under your hand when you reach for it. On wall or upper cabinet doors, place the knob about 2.5 to 3 inches up from the bottom corner. On base or lower cabinet doors, place it 2.5 to 3 inches down from the top corner. For drawers, center the knob unless the drawer is especially wide.

KraftMaid’s cabinet hardware placement guide describes the traditional approach: set the knob where the door’s vertical stile meets its horizontal rail. For slab doors with no frame, place the knob 2 to 3 inches from both edges. Common guidance says to use two knobs on drawers that are 24 inches or wider, dividing the face into thirds so each knob sits centered in its section.

Consistency between doors matters more than the exact inch. Measure the first door, then use that same measurement on every door of the same size so the hardware line stays level across the whole kitchen.

How to Mark and Drill the Hole

Mark each door’s spot with a pencil dot after confirming your measurements, then double-check before drilling. A cardboard template or a store-bought jig keeps placement identical across multiple doors, which is the simplest way to avoid the uneven look that comes from measuring each door fresh.

Drill slowly through the marked location with a 3/16-inch drill bit for the pilot hole. Kohler’s installation instructions emphasize drilling slowly to avoid splitting the wood or chipping the finish. A pilot hole keeps the screw from splitting the door face and makes hand-tightening easier.

How to Attach the Knob

Insert the screw from the back of the door or drawer, then thread the knob onto it from the front. Tighten by hand first, then use a screwdriver only for the final snug turn. Over-torquing can crack the cabinet face, so stop the moment the knob stops turning easily.

Common mistakes come down to three things: putting the knob on the hinge side, measuring differently on each door, and over-tightening. All three are entirely avoidable with a template, a single reference measurement, and a gentle hand. If you’re installing many knobs on a new build or renovation, you’ll find a wide selection of affordable options in our roundup of budget-friendly cabinet knobs that look far more expensive than they are.

FAQs

What height should cabinet knobs be from the countertop?

Standard practice places knobs on lower cabinet doors about 2.5 to 3 inches down from the top corner of the door. This position puts the knob slightly above the countertop, keeping it easy to reach without stooping while staying clear of the counter surface.

Should drawer knobs be centered?

Yes, center a single knob on a standard drawer so it sits in the middle of the front face. For wide drawers, use two knobs placed so the face divides into thirds, which keeps the hardware balanced.

Do cabinet knobs need a template?

Knobs don’t need a template to function, but a template is the best way to keep multiple doors consistent. A simple cardboard template or a hardware jig transfers the same position to each door, preventing the misaligned look that comes from re-measuring every time.