Mirror Guides: Sizing, Hanging, Lighting and Care

Choosing a mirror is only half the job. It still has to be the right size for the vanity, hung at the right height, lit well enough to do your makeup, and kept clean without streaks. These guides answer those questions with measurements, rules of thumb and their sources, so you can get it right the first time. Start with sizing and hanging if you are planning a bathroom, or with lighting and magnification if the mirror is for makeup.

• What Size Should Your Bathroom Mirror Be? Chart and CalculatorWhat size mirror for a 24, 30, 36, 48, 60 or 72 inch vanity? A simple sizing chart, a calculator, and when a mirror can be wider than the vanity or sink.
• Bathroom Mirror Height: How High to Hang Your Vanity MirrorHow high to hang a bathroom mirror: inches above the floor, the counter and the backsplash, the eye-level rule, and what changes with tall ceilings and lights.
• How to Hang a Heavy Mirror SafelyHow to hang a heavy mirror safely: weigh it, find the studs, choose a French cleat, D-rings or Z-bar, and hang it on drywall, with options for hanging without nails.
• How to Hang a Mirror on a DoorHow to hang a mirror on a door: over-the-door hooks, mirror clips or adhesive, what works on hollow core doors, and how to stop rattling and hinge clashes.
• How to Hang a Full Length Mirror, or Keep a Leaning One From SlidingHow to hang a full length mirror at the right height, and how to keep a leaning floor mirror from sliding or tipping over, with anti-slip pads and anti-tip straps.
• The Best Lighting for Makeup: Color Temperature, CRI and Where to Put ItMakeup lighting that tells the truth: even front light, 4000K to 5000K and CRI 90+. What each color temperature does to foundation and which bulbs to buy.
• Are Makeup Mirrors Concave or Convex?Makeup mirrors are concave: the inward curve magnifies your face. How the focal point works, why the image blurs when you lean back, and where convex belongs.
• What Magnification Should a Makeup Mirror Be?5x suits most makeup, 10x is for brows and tweezing, 15x and 20x are for spot checks. Each level, who it suits and how close you have to sit to use it.
• How to Clean a Mirror Without StreaksHow to clean a mirror without streaks: dust first, use warm water on a lint-free cloth, spray the cloth not the glass, and buff dry. Plus the best mirror cleaner and LED mirror care.
• Acrylic vs Glass Mirror: Which One Should You Buy?Acrylic mirrors are light and hard to break but can warp the reflection; glass is crisp but heavy. Which to choose for gyms, dance, kids' rooms and doors.
• Mirror in the Dining Room: Where to Put It and How BigWhere to put a mirror in a dining room, how big it should be next to the table or sideboard, what it should reflect, and when a floor mirror beats a wall mirror.
• Where to Put a Floor Mirror in the Bedroom (and Should It Face the Bed?)Should a mirror face your bed? The practical reasons and the feng shui belief, plus where to put a full-length mirror in a bedroom or a living room.
• Why Are Mirrors So Expensive?Glass grade, silvering, edgework, freight and breakage, LED drivers and anti-fog pads: why mirrors cost what they do, and where paying more is worth it.
• Can You Bring a Mirror on a Plane?Can you bring a mirror on a plane? What TSA and FAA rules mean for glass, acrylic and lighted makeup mirrors in carry-on and checked bags, including batteries.
• Where Is the Best Place to Buy Bathroom Mirrors?Where to buy a bathroom mirror: big-box stores, online, specialty showrooms or a local glass shop, and what to check on size, returns, delivery damage and wiring.
• How to Remove a Mirror Glued to the WallHow to remove a mirror glued to the wall: check how it's fixed, tape it, cut the glue with wire or heat, then repair the wall. Plus when to call a glazier.
• How to Cut a MirrorHow to cut a mirror at home: the tools you need, how to score glass in one pass, how to snap it cleanly, smooth the edges, cut curves, and when to let a shop do it.
• Mirror Desilvering: Why It Happens and What You Can DoMirror desilvering explained: why mirrors get black edges and spots, how to stop it spreading, and when to hide it, resilver it or replace the mirror.
• Handprint on the Mirror After a Shower: What It MeansA handprint on the mirror after a shower is skin oil changing how steam condenses. Why old prints reappear, how to clean them off for good, and how to stop the fog.
• How to Tell If a Mirror Is Two WayHow to tell if a mirror is two way: what to do first if you're worried, the light and flashlight tests, why the fingernail test misleads, what no home test proves.
• How to Frame a Bathroom MirrorHow to frame a bathroom mirror: a frame kit, DIY trim glued to the glass, or a built frame. Cut list, clips, mirror-safe adhesive and moisture-proof finishing.
• Feng Shui Mirror Placement, Room by RoomFeng shui mirror placement room by room: the front door, bedroom, dining room, bathroom, kitchen and stairs, where practitioners agree, and where they don't.
• How to Antique a MirrorHow to antique a mirror: make aged glass with mirror spray, distress a mirror from the back, use antique mirror film, or buy antiqued glass. Steps and safety.
• How to Remove Scratches From a MirrorHow to remove scratches from a mirror: the fingernail test, what glass makers allow, cerium oxide for light scratches, acrylic mirrors and backing scratches.
• How to Stop a Bathroom Mirror FoggingHow to stop a bathroom mirror fogging: fan timing, anti-fog sprays, the shaving foam hack, heated defogger pads and LED mirrors, compared by how they work.
• How to Hang a Mirror Without HooksHow to hang a mirror without hooks on the back: add D-rings or a cleat, use mirror clips on frameless glass, or skip the holes with strips, a ledge or a lean.
• How High Should a Vanity Light Be?How high should a vanity light be? The 72 inch rule, how to adjust for 8, 9 and 10 foot ceilings, sconce height, light width for 30 and 60 inch vanities.
• How to Install an LED Bathroom MirrorHow to install an LED bathroom mirror: decide plug-in or hardwired first, anchor for the weight, mount on tile, and know where an electrician comes in.
• How to Measure a Medicine CabinetHow to measure a medicine cabinet for replacement: recessed rough opening, wall depth and studs, surface-mount space, sizes by vanity width, and mirror doors.
• How to Replace a Vanity MirrorHow to replace a vanity mirror: spot how the old one is attached, take it down safely, repair the wall, pick the right size and hang the new mirror.
• How to Fix a Vanity Mirror LightHow to fix a vanity mirror light: a symptom-by-symptom guide to dead, flickering, dim and touch-sensor mirrors, and when to call an electrician.
• How to Use the 3M Claw Drywall Hanger for a MirrorHow to use a 3M Claw drywall picture hanger for a mirror: how it works, picking the right rating, the spot marker, removal, and when not to use it.