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If you are outfitting a classroom, the first question is usually the simplest: what size board do you need? The short answer is that the standard classroom whiteboard size is 4×6, meaning 4 feet high by 6 feet wide. It is the size you will find in most classrooms because it gives students a clear, generous surface without swallowing the wall. Some schools prefer a 4×8 board for a little more room to work. This guide covers the standard sizes, the metric equivalents, how high to hang the board, and the other options worth knowing before you buy.
For a typical classroom, the standard classroom whiteboard size is 4×6 feet: 4 feet tall and 6 feet wide. Many schools step up to 4×8 feet when they want extra writing space for lesson plans, diagrams, or group work. Both are wall-mounted, and both give students in a standard room plenty of surface to read from their seats.
A quick note on how these measurements are written: the first number is the height and the second is the width. So a 4×6 board is 4 feet high and 6 feet wide.
Working in metric? The standard size of a whiteboard for a classroom is about 122 x 183 cm, which is the 4×6 foot board. A 4×8 foot board measures roughly 122 x 244 cm. These figures are handy if you are comparing classroom whiteboard dimensions against a room plan drawn in centimeters or meters.
The right board grows with the room. In a regular classroom, 4×6 or 4×8 is the sweet spot. In larger spaces, the math changes:
Across the range, our classroom whiteboard dimensions start at a compact 1×1 foot and run up to 4×20 feet, so you can match nearly any wall.
Size is only half the job; how high you hang the board matters just as much. Mounting heights for classroom whiteboards depend on the age of the students and whether they are seated or standing. As a general starting point, the bottom edge of the board sits lower for younger students and higher for older ones: think roughly 32 to 34 inches (about 81 to 86 cm) off the floor for elementary classrooms, and closer to 36 inches (about 91 cm) for middle school, high school, and adult learners. The goal is simple: everything you write should be visible over students’ heads from anywhere in the room. For detailed advice room by room, see our guide to the best mounting heights for classroom whiteboards.
Every classroom board comes with your choice of a magnetic or nonmagnetic dry erase surface, an aluminum or wood frame, and an optional marker tray. Magnetic boards let teachers post charts, artwork, and printed handouts with magnets; if you do not need that, a nonmagnetic board is the more affordable pick. You can compare options on our classroom whiteboards page.
Not every board needs to live on a wall. Rolling boards are popular in schools for breakout groups, shared rooms, and spaces that get rearranged often. EVERWhite’s Edison series of mobile whiteboards comes in sizes including 36×24 inches (3×2 feet), 36×48 inches (3×4 feet), 40×29 inches, 48×72 inches (4×6 feet), and 48×96 inches (4×8 feet), so you can roll the right surface wherever the lesson goes.
If your wall does not fit a standard size, we build to order. Because we are the manufacturer, we can cut a board to the exact classroom whiteboard dimensions you need, with your choice of frame and surface. Share your measurements through our custom size request form, or request a quote and we will help you spec the right board. Questions? Call us at 1-800-335-7319.
Still weighing options for other rooms in the building? Our broader guide on what size whiteboard you need walks through sizing for offices and meeting spaces too.
The standard classroom whiteboard size is 4×6 feet, which is 4 feet high and 6 feet wide. It suits most school classrooms and gives students a clear view from their seats. Schools that want more writing space often choose a 4×8 foot board instead, especially for busy or larger rooms.
In metric, the standard classroom whiteboard is about 122 x 183 cm, the equivalent of a 4×6 foot board. A larger 4×8 foot board measures roughly 122 x 244 cm. These conversions make it easy to compare classroom whiteboard dimensions against floor plans or wall measurements taken in centimeters.
Mounting height depends on student age. As a general guide, place the bottom edge about 32 to 34 inches off the floor for elementary classrooms and near 36 inches for older students. The aim is for writing to stay visible from the back of the room. See our mounting heights guide for specifics.
EVERWhite offers classroom whiteboards from a compact 1×1 foot up to 4×20 feet, including the popular 4×6 and 4×8 standards. Boards come in magnetic or nonmagnetic, with aluminum or wood frames. If none of the standard sizes fit your wall, we also build custom classroom whiteboard sizes to order.
