ᐅ Is there a simple guide to converting IKEA Besta units into a desk?

Hello everyone, I am planning to convert an IKEA Besta shelving unit into a functional desk. I am particularly interested in whether there is a simple, step-by-step guide that is easy to follow for someone with basic DIY skills. I imagine modifying the shelving unit so that it is sturdy enough for everyday desk use, including the right height, good legroom, and possibly a suitable tabletop as a work surface. Is there anyone here who has experience with this and can recommend or even sketch a clear and practical guide? I want to avoid unnecessary material or time waste and am looking for a truly practical solution that also takes typical Besta standard parts into account.

carlin30 schrieb:
Hello everyone, I’m planning to convert an IKEA Besta shelving unit into a functional desk.

Sounds like a great project! 😎 Simple guides online are rare because it really depends on the exact measurements and desired height. But basically:

- Raise the Besta frame to your preferred height (using sturdy legs helps, for example, IKEA Bekant legs or your own metal frames)
- Attach a large tabletop of your choice on top (available at any hardware store or even as an extra from IKEA)
- Don’t forget screws and brackets for stabilization

In general, it’s not complicated work-wise. The important thing is that the structure is twist-proof; otherwise, it will wobble when typing. If you want, I can share some tips later on the right tools and materials. 😉

carlin30 schrieb:
Is there anyone here who already has experience and can recommend or create a clear, easy-to-understand guide?

As far as I know, there is no standardized, official step-by-step guide specifically for converting an IKEA Besta shelf unit into a desk. Here are some professional tips for a sturdy and practical desk conversion:

- Dimensions: The ideal desk height is between 72 and 75 cm (28 and 30 inches), so your shelf unit will need to be adjusted or supplemented accordingly.
- Stability: Use additional angle brackets or metal braces to reinforce the structure.
- Legroom: Make sure to choose the width and depth of the shelf so that about 60 cm (24 inches) of depth remains free under the desktop for legs.
- Worktop: Options include original Besta top panels, cut-to-size particleboard, or plywood from a hardware store.
- Assembly: Use good quality wood screws; pre-drilling is recommended to avoid damaging the material.

If you’d like, I can prepare a short checklist of components. I also recommend drawing a sketch with precise measurements before starting the conversion.

carlin30 schrieb:
My main concern is whether there is a simple, preferably step-by-step guide that is easy to follow even for someone with basic DIY skills.

Here’s a more detailed explanation:

Converting an IKEA Besta shelving unit into a desk can basically be planned and executed in several clear steps:

- 1. Selecting the Besta units: Ideally, use 2 carcasses as the base, with the height varying depending on your seating habits and chair. The standard Besta height is 38 cm (15 inches), usually stacking two or combining with a top panel.

- 2. Defining dimensions: Standard desk height is 73-75 cm (29-30 inches). For example, two Besta carcasses (2 x 38 cm (15 inches)) equals 76 cm (30 inches) plus the countertop thickness.

- 3. Legroom: Consider the width between the carcasses (or spacing if using only one). Around 60 cm (24 inches) depth is recommended for comfortable leg movement.

- 4. Stabilization: To prevent wobbling, attach metal brackets to the inside of the carcasses and connect these to the countertop. Cross braces may be needed not only at the back of the unit but also underneath the top panel.

- 5. Countertop: Place a sturdy but not overly heavy countertop, either custom-cut or using an IKEA panel. Mounting with concealed fasteners (e.g., screw caps) provides a cleaner look.

- 6. Surface treatment: Depending on the material, you can paint, oil, or laminate the surface.

One challenge is that Besta units are originally designed for vertical loads, so a horizontal work surface requires reinforced construction. A tip: old Besta doors or back panels can be mounted at the rear for additional stability.

What dimensions are you aiming for exactly? And do you need extras like cable cutouts or drawers for the desk?

Laukau5 schrieb:
One potential issue is that Besta shelves are actually designed for vertical loads; a horizontal work surface therefore requires reinforced construction.

That’s exactly the point I see as critical. Besta is primarily designed as a sideboard and shelving unit, not as a load-bearing table structure. A simple conversion without additional reinforcements can lead to legitimate stability problems – let’s say, after a few months the wobbly setup becomes unpleasant.

draleo schrieb:
Use additional angle brackets or metal braces to stiffen the structure.

This is absolutely necessary and should be considered mandatory, not optional. Furthermore, the connection between the cabinets and the tabletop should be designed not only mechanically but also structurally sound, for example by using a metal subframe or sturdy rails.

Some recommendations I always give for projects like this:
- Check the load on individual components, including lateral forces
- Consider whether combining it with a proper table base makes sense
- Avoid thin particleboard as a work surface; plywood or solid wood are more durable

If this solution is only improvised, you are likely to encounter issues requiring rework in the medium term. So: a bit more planning definitely pays off.