Countertop storage works best when it uses empty vertical space without blocking the items, outlets, cabinets, or food-preparation area that make the counter useful.
Measure the vertical opening
Record the distance from the counter to the lowest cabinet edge, trim, light, or outlet. Check more than one point because counters and cabinets are not always level. Use the smallest verified height.
Add the stored items
The organizer's published height does not include bottles, appliances, or containers on its top tier. Add the tallest item plus enough hand clearance to lift or tilt it out without hitting the cabinet.
Check tier spacing and access
Compare the clear height and width within each tier with the objects assigned to it. A shelf can technically hold a bottle that is too awkward to remove during daily use. Turntables and pull-outs also need room to move.
Keep utilities usable
Do not cover outlets, switches, backsplash controls, windows, or shutoffs. Keep cords away from sinks and hot surfaces, and preserve the clearances required by any appliance placed on or below the organizer.
Protect working counter space
Mark the full footprint and test the remaining space for preparation, grocery unloading, and landing hot dishes. If the organizer forces constant moving and restacking, a cabinet or wall solution may be more practical.