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How to Measure for Bathroom Lighting and Choose the Perfect Fixtures

Your bathroom is a place of relaxation and rejuvenation, and the lighting you choose plays a vital role in creating the perfect ambiance while ensuring functionality. At Light ‘N Leisure “The Purple Buildings” our trained lighting professionals—the ‘Purple People’—are here to guide you in selecting the ideal lighting for your bathroom. This blog will help you measure for bathroom lighting and choose fixtures that are both stylish and practical.

Featured Product:
Kichler bath lights from the Hex Collection are a bold choice for contemporary bathrooms. This collection features a sleek Matte Black or Natural Brass finish and geometric design, adding a modern edge to your space. The Hex Collection offers versatile styling to complement various bathroom aesthetics. The three-light configuration provides ample illumination, perfect for single or double vanities.


Vanity Light Dimensions & Backplate Coverage

The first and most important factor to consider is the size you’ll need. The size of the light fixture should be proportionate to the size of your vanity. A general rule of thumb is to have a fixture that’s ¾ of the width of the mirror and no wider than the vanity cabinet. This will ensure that the light fixtures are not too large or too small for your vanity, and that they provide adequate task lighting.

Quoizel BART8616MBK
Quoizel BART8616MBK
Two Light Bath from the Bartley Collection

Wide Vanities

A multi-light vanity fixture is a must for wide vanities. You can choose a 2, 3, 4, or 5 light vanity light. The exact number of lights you choose can vary based on your own preference. For example, a 3-light and a 4-light fixture often will both look good over the same vanity. Many lighting collections come in a variety of sizes to choose from.

Featured Product:
Quoizel bath lights from the Bartley Collection is a stylish option for wide vanities. Fixtures come in 2, 3, or 4-light variations, and in black or brushed nickel finishes, letting you customize the brightness and look.

Single Bowl Vanities

Positioning the fixtures on both sides of the mirror is the best way to provide shadow-free lighting on your face. The ideal width is at least 28 inches apart, and centered at 70–80 inches above the floor. If you choose to place your lights above the mirror, the width of your fixture should be at least 1/3 the width of the vanity mirror, but should never exceed its total width.

Vanities With Two Sinks

In bathrooms with two sinks, another great option is to mount two separate fixtures, one above each sink.

Featured Product:
The Kichler Ciona collection blends timeless sophistication with contemporary charm. Featuring a stunning Brushed Natural Brass or Polished Nickel finish, this fixture adds a warm, luxurious accent to any bathroom decor. Its streamlined design and soft curves make it a versatile choice for modern, transitional, or classic spaces.

Kichler 55111BNB Two Light Bath from the Ciona
collection in Brushed Natural Brass finish

Backplate Considerations

When selecting a vanity light, the backplate is an important detail to consider. The backplate not only secures the fixture to the wall but also impacts the overall look and functionality of the light.

  • Mounting Orientation: Most vanity lights are versatile and can be mounted facing up or down. Mounting the light upward creates softer, more diffused lighting, while a downward orientation provides direct, task-oriented illumination. Choose the direction that suits your bathroom’s needs and design.
  • Coverage: Ensure the backplate is large enough to fully cover the electrical box opening for a clean, professional appearance. This is especially important if you’re replacing an existing fixture with a smaller or differently shaped backplate.
  • Style & Finish: Backplates are available in various shapes and finishes, from rectangular to round, modern chrome to vintage-inspired bronze. Coordinate your backplate finish with other bathroom hardware for a cohesive look.

Taking the backplate into account ensures your fixture fits securely, looks polished, and functions as intended.


Measure Your Space

Accurate measurements are the foundation of a well-lit bathroom. Here’s what you need to consider:

Vanity Lighting

  • Width: Measure the width of your mirror or vanity area. Choose a fixture that is 3/4 the width of the mirror for a balanced look.
  • Height: For wall-mounted vanity lights, position them at eye level (approximately 60–65 inches from the floor) to minimize shadows.
  • Spacing: If using sconces, mount them on either side of the mirror, spaced about 28–40 inches apart, and centered at about 66 inches from the floor.

Ceiling Lighting

  • Measure the overall dimensions of your bathroom to determine the fixture size and placement. For example, small bathrooms benefit from compact flush mounts, while larger spaces can accommodate chandeliers or semi-flush mounts.
  • Consider the height of your ceiling. Allow at least 7 feet of clearance between the floor and the bottom of the fixture to ensure comfortable movement.

Shower and Tub Lighting

Measure the area where you need lighting and ensure fixtures are rated for damp or wet locations. This ensures safety and durability in moisture-prone areas.

Choose the Right Lighting Fixtures

Bathroom lighting serves both functional and aesthetic purposes. Here’s how to choose:

Damp-Rated Fixtures

Lastly, it’s important to check if the light fixture is damp-rated or not. This means that it’s safe to use in bathroom environments where it may come into contact with moisture. This is especially important if you are planning to install the light fixtures near a shower or bathtub. A damp rating is sufficient for regular bathroom steam and moisture. A wet rating is needed only if the fixture will come in direct contact with water.

Layered Lighting

For optimal functionality and style, incorporate multiple layers of lighting:

  • Ambient Lighting: Use overhead fixtures, such as flush mounts or recessed lights, for general illumination.
  • Task Lighting: Position vanity lights or sconces near the mirror for makeup application, shaving, or other detailed tasks.
  • Accent Lighting: Add a decorative pendant or small chandelier for a touch of elegance.

Style and Finish

Coordinate the style and finish of your bathroom fixtures with your overall decor. Whether you prefer modern chrome finishes or vintage-inspired designs, our showroom offers a wide variety of options to match your taste.


Lighting Tips from the Purple People

  1. Dimmer Switches: Install dimmer switches for adjustable lighting levels, perfect for creating a relaxing atmosphere during baths.
  2. Bulb Choices: Use LED bulbs for energy efficiency and longer lifespan. Opt for bulbs with a color temperature of 2700K–3000K for a warm, inviting glow.
  3. Mirror Placement: When choosing vanity lighting, ensure it casts even light across your face by placing fixtures at the proper height and distance.
  4. Proper Wattage: Avoid overly bright or harsh lighting by choosing bulbs with the right wattage for the size of your bathroom.

Featured Product:
Quoizel bath lights from the Aria Collection bring a bold and modern touch to any bathroom. The ARI8605 features a striking Matte Black or Weathered Brass finish and five-light design, making it ideal for larger vanities or double sinks. With its clean lines and versatile style, the Aria Collection offers both functionality and a contemporary aesthetic to elevate your space.


Shop with Us for the Perfect Bathroom Lighting

At Light ‘N Leisure “The Purple Buildings” (Lightnleisure.com), we offer a wide selection of damp-rated bathroom fixtures to meet all your lighting needs. Visit our showrooms in Milford, MA. and Kingston, MA. to experience our curated collections firsthand. Online shoppers can sign up for coupons for exclusive savings, and in-store customers can request a Best Price Quote by calling 508-478-5444.

Let our ‘Purple People’ help you transform your bathroom into a well-lit sanctuary!


Two Ways to Shop at Light ‘N Leisure “The Purple Buildings”

Visit Us Today: “See It. Touch It. And Take It Home” – Stop by our lighting showrooms in Milford, MA. or Kingston, MA. for great lighting, ceiling fan & home décor options! Our showrooms are packed with in stock items for all your lighting and ceiling fan needs. Our friendly team of ‘Purple People’ are ready to assist you in creating the perfect atmosphere for your home!

Shop Online Today: If you can’t make it to one of our lighting showrooms in Milford, MA or Kingston, MA, no problem! You can explore our wide selection of lighting and fan options on our website at www.lightneisure.com. Our website makes it easy to browse and order the perfect fixtures for your home. Plus, when you shop online, be sure to click the button below to easily sign up for our coupons to get exclusive discounts.

Best Of Both Worlds: For even more savings, simply visit one of our showrooms or call us at 508-478-5444, and we’ll create a custom lighting or ceiling fan quote tailored just for you. Our ‘Best Of Both Worlds’ quote offers you the best possible pricing on your favorite lighting, ceiling fans or home décor with quality service, knowledge staff all available in our showrooms where you can “See It, Touch It, & Take It Home”.

Whether in-store or online, we’re here to help you create the perfect atmosphere for your space with lighting, ceiling fans & home décor!

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