Overhead kitchen lights cast shadows right where you work, leaving your countertop dim exactly when you’re chopping or reading a recipe. Modern under cabinet lighting fixes that by putting bright, even light directly on the work surface, and today’s LED options make it easy to add without an electrician or a mess. Beyond function, a well-lit counter adds a layer of ambiance that makes the whole kitchen feel finished and upscale. Here’s how to choose and install the right system for your space.
Part of our Kitchen Remodeling guide — explore the full guide →
Why Add Under Cabinet Lighting
The practical case is task lighting. A light source mounted under the wall cabinets eliminates the shadow your own body throws when you stand at the counter under a ceiling fixture. That means safer knife work and easier reading of labels and recipes. The aesthetic case is just as strong. A warm glow along the counter highlights your backsplash, adds depth to the room at night, and can serve as a soft nightlight that replaces flipping on harsh overheads.
Types of Under Cabinet Lights
Three formats dominate, each suited to a different look and budget.
- LED strip (tape) lights: flexible ribbons of tiny LEDs, best for continuous, shadow-free lighting across the whole run
- Linear bar lights: rigid fixtures that link together, brighter and easier to aim than strips, with a cleaner housing
- Puck lights: round spotlights that cast pools of light, good for accenting specific spots but leaving gaps between
For modern kitchens, most designers favor continuous LED strip or linear bar lighting because the seamless line of light reads cleaner than the scalloped pools that pucks create.
Choosing Color Temperature
Color temperature, measured in Kelvin, sets the mood and dramatically changes how your counters and backsplash look. Get this wrong and even good fixtures feel off.
- 2700K-3000K (warm white): cozy, inviting glow that flatters wood tones and warm finishes
- 3500K-4000K (neutral white): crisp, clean light ideal for task work and modern gray or white kitchens
- 5000K+ (daylight): very bright and blue, best for garages or workshops, usually too clinical for a kitchen
Many modern strips are tunable, letting you shift between warm and cool with a remote or app, which is worth the small premium if you can’t decide.
Brightness and Quality
Look at lumens per foot rather than watts. For task lighting on a counter, aim for 200 to 400 lumens per foot. Also check the color rendering index, or CRI. A CRI of 90 or higher renders food colors and finishes accurately, while cheap strips with a CRI in the 70s make everything look washed out. Spending a few dollars more for high-CRI LEDs is one of the best value upgrades in the whole project.
Hardwired vs. Plug-In vs. Battery
How the lights get power decides how much work install takes. Hardwired systems connect to your electrical and often tie to a wall switch or dimmer, giving the cleanest look with no visible cords, but they need an electrician or comfort with wiring. Plug-in systems run to a nearby outlet, hidden behind the cabinet, and install in an afternoon with no electrical work. Battery and rechargeable puck lights need no wiring at all, ideal for renters or quick fixes, though you’ll recharge or swap batteries periodically.
Installation Basics
- Clean the underside of the cabinet where the lights mount, since adhesive won’t stick to grease.
- Mount the strip or bar toward the front edge of the cabinet’s underside, which throws light onto the counter rather than the backsplash.
- Run wiring or the power cord through the back or side of the cabinet toward the outlet or switch, hiding it in the recess.
- Link multiple sections with the included connectors, keeping the total run within the driver’s rated length.
- Test before permanently securing everything, then tidy the wiring with adhesive clips.
Mounting the light near the front edge is the pro trick most people miss. Placed too far back, the fixture lights the backsplash but leaves the front of the counter in shadow.
Adding Dimming and Smart Control
For true modern flexibility, choose a system with dimming. A dimmable driver lets you drop the lights to a soft glow for evening ambiance and crank them up for cooking. Smart-enabled strips add app and voice control, scheduling, and color-temperature tuning. If you want to integrate with a smart home, confirm compatibility before buying, since not every strip works with every hub.
Planning the Layout and Spacing
Even coverage is what separates a professional-looking install from a spotty one. Measure the total length of your upper cabinet run and plan for continuous lighting across the whole span, not just a strip here and there, which leaves dark gaps between pools of light. If you use puck lights, space them 12 to 18 inches apart to minimize the scalloped shadows between them. For strips and bars, buy enough linear footage to run edge to edge under each cabinet, and use corner connectors to turn inside corners cleanly.
Account for the sink and range gaps in your run. You’ll want a continuous look along the working counters, and any breaks should fall naturally at those appliance openings rather than mid-counter.
Avoiding Glare and Reflections
Glossy countertops and shiny backsplashes can bounce light back into your eyes if the fixture is exposed. To prevent that, add a small light rail or valance, a thin strip of trim along the front cabinet edge that hides the fixture from view while letting the light spill onto the counter. Many cabinets already have a lip that serves this purpose. Choosing a fixture with a diffuser lens rather than bare LEDs also softens the light and cuts the hot-spot glare that reflective surfaces throw back.
Cost and Final Advice
A quality plug-in LED strip kit for a standard kitchen runs $40 to $120, while a hardwired linear bar system with dimming lands around $150 to $400 plus any electrician fees. It’s an affordable upgrade with an outsized impact on both how your kitchen works and how it feels. Prioritize high CRI, the right color temperature for your finishes, and front-edge mounting, and your counters will finally be as well-lit as they are functional.
