How to Build a Simple Bookshelf That Actually Holds Books
Learning how to build a simple bookshelf is one of the best first woodworking projects for a beginner. Books pile up on the floor, on chairs, and in boxes, and a store-bought bookcase often costs more than it should and fits your space badly. A simple wooden bookshelf fixes that in one weekend, and it fits your books and your room exactly.
This guide shows you how to build a simple bookshelf from start to finish: planning the size, cutting the wood, assembling the frame, and finishing it so it looks good in your living room or bedroom. You need basic tools, one afternoon of work, and a little drying time for the finish. This guide keeps every step simple, because learning how to build a simple bookshelf should be enjoyable, not stressful.
Before you start, count your books and measure the space where the bookshelf will go. A bookshelf for paperbacks is very different from one for heavy hardcovers and art books. Measure the wall, count the books, and then decide how tall and wide the shelves need to be. A bookshelf that is too small is just a new place for books to pile up.
Table of Contents
What Size Should Your Bookshelf Be?
A good bookshelf fits the space on the wall and the books that will live on it. Here are the sizes that work for most homes:
- Height between shelves: 10 to 12 inches for paperbacks and standard hardcovers. Large art books need 14 to 15 inches, so plan one taller shelf if you own them.
- Depth: 10 to 12 inches, which fits most books without them sticking out. Deeper shelves waste space and make books hard to reach.
- Width: 24 to 36 inches for a first project. Wider shelves need a middle support, or the boards will sag under the weight of books.
- Overall height: 48 to 60 inches with 3 or 4 shelves holds a good collection of books without needing a ladder to reach the top.
Measure the wall where the bookshelf will go, and leave at least 2 inches of space on each side so you can clean around it. Sketch the plan on paper: overall height, width, depth, shelf spacing, and the number of shelves. A sketch stops you cutting a board to the wrong length. Getting the size right first is the most important part of how to build a simple bookshelf that fits your room.
Cut List for a Simple Bookshelf
For a simple bookshelf that is 36 inches wide, 48 inches tall, and 11 inches deep, with 3 shelves, you need:
- 2 side pieces, 48 inches tall and 11 inches deep
- 3 shelf boards, 34.5 inches long and 11 inches deep
- 1 top board, 36 inches long and 11 inches deep
- 1 bottom board, 36 inches long and 11 inches deep
- 1 back panel, 36 inches wide and 48 inches tall, cut from thin plywood
The shelf boards are 1.5 inches shorter than the overall width because they fit between the two side pieces. If you use boards that are 3/4 inch thick, that is exactly right: 36 inches minus two side pieces of 3/4 inch each leaves 34.5 inches, so cut the shelves to 34.5 inches for a snug fit. Measure your own boards and adjust the cut list before you cut anything. Double-check this list before you cut — a wrong cut is the most common mistake when learning how to build a simple bookshelf.
What You Will Need to Build a Simple Bookshelf
- Wood boards for the shelves and sides (pine is a good, affordable choice)
- Thin plywood for the back panel
- Wood screws (1.5-inch and 2-inch)
- Wood glue
- Cordless drill and drill bits
- Tape measure and pencil
- Speed square or carpenter’s square
- Sandpaper (120-grit, then 220-grit)
- Wood stain or paint, plus a brush or cloth
- Safety glasses and a dust mask
Tip: If you are not sure which drill to use, read our guide on the best cordless drill for beginners. The same drill you use for shelves will build this bookshelf, and our guide on the 10 essential tools every new homeowner should own lists everything else on this list.
Step 1: Measure and Cut the Wood
Here is how to build a simple bookshelf starting with the cuts. Measure your space again, then mark the boards using the cut list above. Mark each cut with a pencil and a square so the line is straight, and label each piece as you cut it: “left side”, “right side”, “shelf 1”, “shelf 2”, “shelf 3”, “top”, “bottom”.
Cut slowly and steadily, and let the saw do the work. Wear safety glasses while cutting, and keep your fingers well away from the blade. If you do not own a saw, most home improvement stores will cut boards to size for you — bring your cut list and ask at the cutting desk. Asking the store to cut the boards is a smart shortcut, and it still counts as knowing how to build a simple bookshelf yourself.
Check each cut against your sketch before you move on. A board cut a quarter inch short can be fixed with a shim, but a board cut too long needs re-cutting, so measure twice and cut once.
Step 2: Sand the Boards Smooth
Sand every board before you assemble the bookshelf. It is much easier to sand flat boards than to sand inside corners after assembly.
Start with 120-grit sandpaper, following the grain of the wood. Then finish with 220-grit for a smooth surface. Pay attention to the edges, which are the parts you will touch every day and the parts that show most.
Wipe away the dust with a damp cloth and let the wood dry. If you skip this step, the dust will mix with the stain and make the finish feel rough. Run your hand lightly along each edge — if you feel a rough spot, sand it again.
Step 3: Assemble the Frame
This is the step where learning how to build a simple bookshelf really comes together. Lay the two side pieces flat on the floor, parallel to each other, with the inside faces up.
Mark the shelf positions on both side pieces with a pencil, using your sketch as a guide. Place the first shelf board between the sides at the height you marked. Apply a thin line of wood glue along the joint, then drill pilot holes through the side piece and into the shelf. Pilot holes stop the wood from splitting. Drive screws through the pilot holes to fix the shelf in place, using two screws on each side. Check with the square that the shelf is at a right angle to the side piece before you tighten the screws fully.
Repeat for each shelf, then add the top and bottom boards the same way. Stand the frame up and check that it sits flat and does not wobble. If it rocks, check that the side pieces are the same length and the shelves are square. Taking your time here is the secret of how to build a simple bookshelf that does not wobble.
Step 4: Add the Back Panel
A back panel stops the bookshelf from wobbling side to side and keeps books from falling out the back. It also makes the bookshelf look finished from the front.
Lay the frame face-down on the floor and check it is square by measuring diagonally from corner to corner — both measurements should be the same. Lay the plywood back panel on top, line up the edges, and fix it with small screws or nails every 6 to 8 inches around the edge and along each shelf.
The back panel is thin, so do not over-tighten the screws or they will poke through. A back panel also hides the wall behind the books, which makes the bookshelf look tidy even when it is only half full.
Step 5: Finish the Wood
Once the frame is assembled, sand any joints that feel rough, then wipe away the dust. Apply wood stain or paint in thin, even coats, following the product instructions. Two thin coats usually look better than one thick coat, and they dry faster.
Let each coat dry fully before adding the next. Leave the bookshelf to dry overnight before you load it with books, as a finish that feels dry may still be soft underneath. If you are painting, a coat of primer first helps the paint stick and look even.
For a detailed walkthrough of a small bookcase build with photos, This Old House’s guide on how to build a small bookcase shows the same measuring, cutting, and assembly steps.
Step 6: Place the Bookshelf and Load the Books
The last step in how to build a simple bookshelf is placing it and loading it. Move the bookshelf into place against the wall. Check it sits flat on the floor and does not wobble. If your home has small children, fix the bookshelf to the wall with an anti-tip strap or bracket — a tall bookshelf full of books can tip over if a child climbs it.
Load the books with the heaviest books on the bottom shelf and lighter paperbacks on top. Leave a little space on each shelf so the bookshelf does not look crowded, and use a small bookend or a decorative object to hold each row upright. Loading the books is the reward for learning how to build a simple bookshelf — take a moment to enjoy it before you move on to the next project. Stand back and check the shelves are level — if a shelf sags, it needs a middle support or thicker boards next time.
How to Build a Simple Bookshelf: Final Checklist
- Count your books and measure the wall first.
- Keep shelves 10 to 12 inches apart and 10 to 12 inches deep.
- Cut the shelf boards 1.5 inches shorter than the overall width so they fit between the sides.
- Sand every board before assembly.
- Drill pilot holes, use glue and screws, and check the frame is square.
- Add a back panel to stop wobbling.
- Apply thin coats of stain or paint, and let it dry overnight.
- Fix the bookshelf to the wall if children use the room, and load heavy books on the bottom.
A bookshelf you build yourself costs far less than a store-bought one, and it fits your space exactly. Now that you know how to build a simple bookshelf, it is a weekend project that you will use every single day. For another weekend build that uses the same skills, see our guide on how to build floating shelves, and if you want a smaller first project, our guide on how to build a simple shoe rack in a weekend uses the same measuring, cutting, and assembly steps on a smaller scale.
Frequently Asked Questions
How long does it take to build a simple bookshelf?
Usually 3 to 4 hours of active work to learn how to build a simple bookshelf, plus drying time for the finish. Plan it as a weekend project and let the stain or paint dry overnight before loading books.
What wood should I use for a bookshelf?
Pine is a good, affordable choice for beginners. It is easy to cut, sand, and paint, and it is strong enough for books. Plywood with a finished edge also works well, especially for wider shelves.
How deep should bookshelf shelves be?
Most books fit on shelves 10 to 12 inches deep. Paperbacks need about 8 inches, standard hardcovers need about 10 inches, and large art books need up to 12 inches. Deeper than 12 inches wastes space.
How do I stop bookshelf shelves from sagging?
Keep shelves no wider than 36 inches without a middle support, use boards at least 3/4 inch thick, and put the heaviest books on the bottom shelf. A middle divider or a thicker board solves sagging on wider bookshelves.
Can I build a bookshelf as a beginner?
Yes. Learning how to build a simple bookshelf is a good first woodworking project if you measure carefully, drill pilot holes, and check the frame is square at every step. Keep the bookshelf short and simple for your first try, and ask the store to cut the boards if you do not own a saw.