How to Measure Your Bed Height for Dog Stairs (24, 30, and Taller Beds)? | Measure Right

Stairs that stop several inches shy of the mattress hand your dog the same jump you bought them to prevent. Measure floor to the top of the sleeping surface, bedding and all, and you can match a set in about two minutes — whether your bed sits at 24 inches, 30 inches, or higher.

How to Measure Bed Height For Dog Stairs The Right Way?

Measure straight up from the floor to the top of the mattress, not the frame or box spring. Stand beside the bed, run a tape from floor to the highest point where your dog lands, and read the number at eye level so the tape stays vertical.

Measure with bedding on if it changes the surface height — a thick topper can add an inch or more.

Then compare that number to the stair set’s total height and top step landing height, not just step count. Two staircases with the same number of steps can differ by several inches in total height, and that decides whether your dog faces a final hop or a level walk-on.

What Stair Height Fits a 24-Inch or 30-Inch Bed?

A 24-inch bed typically pairs with stairs near 24 inches total or a 3-step design; a 30-inch bed usually needs 25 to 30 inches, often 4 steps. The top step should land within roughly 4 to 6 inches of the mattress, per Snoozer Pet Products’ sizing guidance.

Snoozer’s examples: a 28-inch bed with stairs around 22 to 24 inches, a 30-inch bed with stairs around 25 to 28 inches. Family Handyman frames it as the top step sitting within about one step rise of the mattress — roughly 7 inches of rise per step for most medium and large dogs, 4.75 to 5.25 inches for small or senior dogs.

Both rules point the same direction: a gap bigger than one comfortable step rise means your dog is still jumping, just from a higher launch point.

To skip the guesswork on which set fits your measurement, our tested roundup of the best dog stairs for bed breaks down real heights and step counts for each pick.

How Many Steps Does a Taller Bed Need?

Same rule: total stair height should nearly reach the mattress so your dog walks up instead of jumping the last gap. Snoozer notes beds in the 26- to 30-inch range typically need four steps to keep each rise comfortable, while a 24-inch bed usually works with three. Above 30 inches, you may need more height than a standard set provides.

Tall platform and adjustable beds are the common failure case, since their mattress tops can sit well above the 24- to 30-inch range most dog stairs are built for. Measure first, then check the set’s stated total height against your number rather than assuming a four-step design will reach.

What Do People Get Wrong When Measuring?

Four errors show up again and again:

• Measuring to the bed frame instead of the top of the mattress.
• Forgetting a topper or thick bedding that raises the surface.
• Buying by step count alone instead of total height and step rise.
• Leaving a wide gap between the top step and the mattress, forcing a final jump.

Fit also depends on your dog: smaller, short-legged, and senior dogs need a lower rise per step, so a staircase that works for a Labrador may be too steep for a dachshund or an older dog with joint issues.

One counterintuitive point: a slightly taller staircase beats one that is too short, because a short set reintroduces the jump at the top — the exact problem the stairs were meant to solve.