Bathroom Mirror Size Guide: Vanity-to-Mirror Width Chart
Use this bathroom mirror size guide to match mirror width to a 24-, 30-, 36-, 42-, 48-, 60- or 72-inch vanity. Start with the chart, then open the detailed guide for product sizes, color choices, price ranges, lighting and installation checks.
Bathroom Mirror Size Chart
| Vanity width | Recommended mirror width | Best starting point |
|---|---|---|
| 24-inch vanity | 20–24 inches | 20–22 inches |
| 30-inch vanity | 24–28 inches | 26–28 inches |
| 36-inch vanity | 28–32 inches | 30–32 inches |
| 42-inch vanity | 32–36 inches | 34–36 inches |
| 48-inch vanity | 36–42 inches | 40–42 inches |
| 60-inch single-sink vanity | 48–54 inches | 48–52 inches |
| 60-inch double vanity | two 20–26 inch mirrors or one 50–54 inch mirror | Compare one wide mirror with two individual mirrors |
| 72-inch double vanity | two 28–32 inch mirrors or one 60–66 inch mirror | Compare one wide mirror with two individual mirrors |
Open a Detailed Vanity Size Guide
20–24 inches
Open the detailed guide30-inch vanity
24–28 inches
Open the detailed guide36-inch vanity
28–32 inches
Open the detailed guide42-inch vanity
32–36 inches
Open the detailed guide48-inch vanity
36–42 inches
Open the detailed guide60-inch single-sink vanity
48–54 inches
Open the detailed guide60-inch double vanity
two 20–26 inch mirrors or one 50–54 inch mirror
Open the detailed guide72-inch double vanity
two 28–32 inch mirrors or one 60–66 inch mirror
Open the detailed guide
How to Use This Vanity Mirror Size Chart
Measure the vanity first, but do not stop there. Record the clear wall width, sink centerline, backsplash height, faucet height and the position of sconces, outlets, cabinets and trim. The recommended range gives you a proportionally sound starting point; the room decides which end of that range works best.
For a single sink, a mirror that is several inches narrower than the vanity usually looks balanced. For a double vanity, the sink centers matter more. Two mirrors create individual stations and preserve a center gap. One wide mirror creates shared reflection and can make the bathroom feel broader.
Choose Width Before Height
Width establishes the relationship between the mirror and cabinet, so settle it first. Height depends on the people using the bathroom, the faucet, backsplash, ceiling and lighting. A taller mirror can add useful reflection, but it still needs clearance below a vanity light and above the faucet.
Mark the full outline with painter's tape. View it from the room entrance, stand at the sink and open nearby doors. This simple test reveals problems that dimensions on a product page cannot show.
Mirror Shape and Lighting
Rectangular mirrors maximize reflection and align with cabinet geometry. Round mirrors reveal more wall at the corners and can soften a compact room. Arched mirrors add height and decoration. The outside frame dimension must fit the recommended width, not only the reflective glass.
Side sconces typically push the mirror toward the smaller end of the range. Integrated front lighting can free wall space, while backlighting adds ambient glow. A dual-lit LED bathroom mirror combines forward task light and a backlit effect, but electrical planning should happen before tile or wall finishes are complete.
Current Tetote Mirror Families

Metal Framed Bathroom Mirror
Current price range: $44.99-$314.99
Available sizes: 20x16 through 36x72
Color/finish: Black, gold, brushed nickel
A broad framed assortment for compact through oversized vanities, with black, gold and brushed nickel options.
View BM015
LED Bathroom Mirror Frontlit and Backlit
Current price range: $89.99-$699.99
Available sizes: 28x20 through 96x36, including 30x24, 32x24, 36x24, 36x48 and 36x60
Color/finish: Frameless glass
A frameless dual-lit family covering compact, standard and wide vanity layouts.
View BM054
Framed Bathroom Mirror with Lights
Current price range: $99.99-$479.99
Available sizes: 28x20 through 36x72, including 32x24, 36x24, 32x48 and 36x60
Color/finish: Black, gold, brushed nickel
A framed LED family for buyers who want lighting and a coordinated metal finish.
View BM066
Backlit Bathroom Mirror
Current price range: $119.99-$819.99
Available sizes: 28x20 through 36x94, including 32x24, 24x48, 30x48 and 40x60
Color/finish: Frameless glass
A backlit frameless family for soft wall glow and sizes extending to large vanities.
View BM007Before Ordering
- Confirm the exact horizontal installed width; dimension order alone may not prove orientation.
- Check frame width, controls, outlets and junction-box placement.
- Allow enough space for side lights, tall cabinets, trim and door swings.
- Verify mounting support, wall construction and the delivery route for large glass.
- Use the product instructions and local electrical requirements for LED mirror installation.
Frequently Asked Questions
How much narrower should a bathroom mirror be than the vanity?
The answer depends on vanity width, but a visible reveal at both sides is a reliable starting point. Use the chart above for the recommended range for each common vanity size.
Can I use two mirrors over a double vanity?
Yes. Center one mirror over each faucet and confirm the center gap, outer clearances and lighting position before ordering.
What size mirror works over a 60-inch vanity?
For one sink, use a 48–54 inch mirror. For two sinks, use two 20–26 inch mirrors or one 50–54 inch mirror.
What size mirror works over a 72-inch double vanity?
Use two 28–32 inch mirrors or one 60–66 inch mirror. Sink spacing and lighting determine which layout is better.
Should I include the frame in the mirror width?
Yes. Use the complete outside dimension when comparing the mirror with the vanity and clear wall width.
Prices, sizes, finishes and availability were checked on July 29, 2026 and may change. Confirm the selected variant, orientation, inventory and installation requirements on the product page before ordering.