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The 7 Best Adjustable Dumbbells for Building Muscle at Home
Save on the cost and bulk of a full dumbbell set with these adjustable models from Bowflex, PowerBlock and NordicTrack
Quick Verdict: The best single adjustable dumbbells we've tested are the Bowflex SelectTech, which you can pick up in 24kg or 41kg. Our favourite pair are the NordicTrack Select-a-Weight. For a extra stability, go for a flat based style like the Powerblock Elite EXP.
You don’t need a gym membership to build muscle. Strength training at home is a perfectly viable, not to mention convenient, alternative. But it does come with its challenges: namely, progressive overload. To gradually increase the difficulty of your lifts at home over time using heavier dumbbells, you need both ample space and a deep enough wallet. Thankfully, the best adjustable dumbbells offer a straightforward solution for those who are in short supply of either.
Best Adjustable Dumbbells
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If there’s one piece of home gym kit most people can make room for, it’s this. The best adjustable dumbbells give you the range of weights necessary to ramp up the resistance of your lifts over time. We’ve tested models that house up to 17 weight increments and max out at 42kg, giving you plenty of scope to build serious muscle and strength. They do have their drawbacks (which we’ll get into later), but there are few more rewarding investments when it comes to building a home gym setup.
Editor’s note: This guide was last updated on 2 June 2026 to reflect our latest rounds of testing, including pairs we previously featured that are now back in stock, like the EnterSports Adjustable Dumbbell Set. We also added extra guidance on what to consider when buying adjustable dumbbells.
How I Selected
Never ones to shirk a workout, I regularly send our team of health and fitness editors out to test the best adjustable dumbbells on the market. We call in the latest models from the most popular brands and test them at home for ourselves, putting each through all manner of dumbbell exercises, from the humble bicep curl to Romanian deadlifts and renegade rows, to assess how well each pair fares.
Testing typically lasts for a least a month, giving us ample time to press, curl and pull each pair, covering a range exercises, from heavy, low-rep compound lifts to lightweight, high-rep movements like lateral raises. While testing, we pay close attention to the weight distribution, the grip of the handles and whether the plates shake or rattle during exercises.
With adjustable dumbbells, the quicker you can change between weights the better. We therefore assess how easy is it to incrementally switch between settings. We mark down pairs that are fiddly and that slow down our sessions, timing how long it takes to change from the lightest load to the heaviest possible.
We also take into account other factors, like price, the number of individual dumbbells replaced, durability over time, and how easy they are to store.
Bowflex SelectTech Adjustable Dumbbells
Pros
- Classic, rounded dumbbell design
- Replaces 17 individual dumbbells
- Maxes out at 24kg or 41kg
- Quick and straightforward when alternating between weights
- No assembly required
Cons
- Sold individually
- Plastic weight plates not as durable as metal alternatives
The Bowflex SelectTech Adjustable Dumbbell is available in two models. There's the Bowflex 1090i, which replaces 17 individual dumbbells and starts at 4kg, rises in 2-3kg increments and maxes out at 41kg. Alternatively, there's the lighter Bowflex 552i, which replaces 15 dumbbells and a weight range of between 2kg to 24kg. Depending on your experience in the gym, either one should give you plenty of room increase the difficulty of your lifts over time as you build strength.
The spinlock dials on both ends allow you to quickly switch settings in between sets – although you'll need to place the dumbbell back in the docking station to do so. We found the classic shape of the weight plates easy to manoeuvre and, as they're plastic, you get none of the usual metallic clanging when you press them overhead. The rounded design also means you can perform exercises like goblet squats and French press as you would with traditional dumbbells, which can can prove tricky with square-plated alternatives.
It's worth noting that the length of the dumbbell remains the same whichever weight you select, whether you're working with the lowest 4kg increment or the heaviest 41kg, which can take some getting used to.
In terms of assembly, this 'bell arrives fully built, so it's ready to use straight from unboxing. And while the packaging it arrives in is large, the dumbbell itself isn't, measuring 44 x 24 cm each – a small enough footprint for storing in the corner of a room.
The main downside is that it's sold individually as opposed to as a pair. However, Bowflex also makes a lighter version with a 2kg 25kg weight range – the Bowflex SelectTech Adjustable Dumbbell – which lowers the cost if you don’t require the extra weights.
Features at a Glance
| Type | Spinlock |
|---|---|
| Sold as a pair? | No |
| Maximum weight | 41kg |
| Minimum weight | 4kg |
| Dumbbells replaced | 17 |
NordicTrack Select-A-Weight Dumbbells
NordicTrack Select-A-Weight Dumbbells
Pros
- Classic dumbbell shape
- Good built quality
- Handle grippy but not too abrasive
- Compact and easy to store
Cons
- Fiddly to configure at times
- Plates left on dock sometimes fall out of position
The NordicTrack Select-A-Weight Dumbbells are a well priced, space-saving option for home workouts. They replace 30 individual dumbbells in total and come in a compact design that takes up less than half a square metre.
Each dumbbell can be configured to 15 possible weight increments, ranging from 5kg up to 25kg, giving you enough variety for most upper-body work and lighter lower-body sessions – especially when combined with supersets and high-reps in lieu of the option to add extra weight.
In hand, they feel like traditional dumbbells, with a balanced weight distribution and no bulky dials sticking out from each end. That makes them comfortable for bench-based lifts when resting them on your knees. However, the lack of a flat edge can feel a little unstable for floor-based moves like renegade rows and press-ups. We found using them on an exercise mat solved this issue.
The one criticism we had with these arose when configuring the weights. The orange selector levers are slightly fiddly, and the spare plates in the dock have a tendency to shift out of position, which means you need to be accurate with your placement when re-racking.
Nevertheless, if you want a versatile, compact and well-built pair of adjustable dumbbells for building and maintaining strength at home, these are a solid choice.
Read More: NordicTrack Select-A-Weight Dumbbells Review
Features at a Glance
| Type | Lever (lift and select) |
|---|---|
| Sold as a pair | Yes |
| Maximum weight | 25kg |
| Minimum weight | 5kg |
| Dumbbells replaced | 30 |
Powerblock Elite EXP Adjustable Dumbbells (18KG)
Powerblock Elite EXP Adjustable Dumbbells (18KG)
Pros
- Compact with centralised weight distribution
- Can be stacked onto one another when storing
- Expansion kits available for extra weight
Cons
- Handle placement an issue for some exercises
The flat, stable base of the Powerblock Elite EXP Adjustable Dumbbells makes them ideal for exercises like renegade rows, while also allowing them to moonlight as push-up stands. We also enjoyed not worrying about them rolling away in between sets.
Measuring 30cm in length, they are among the most compact styles on offer, with the weight distributed more centrally than traditionally-shaped dumbbells – ideal for heavy, compound lifts. However, the placement of the handles within each weight may take a bit of getting used to. They're also less manoeuvrable for some movements than classic dumbbells, like bicep curls.
In terms of weight, these are more geared up towards beginner and intermediate lifters. Each dumbbell houses 16 stacked weight options, starting at 2.27kg and rising up to 18.14 kg. However, more seasoned lifters can pick up one of Powerblock's Elite EXP 50 Stage 2 or Stage 3 Expansion Kits, which extend the maximum loaded weight up to 40.8kg.
Changing between settings is a breeze. Each dumbbell has a resistance machine-style pin that you slot in to the corresponding plate, leaving behind any surplus in the storage stand. The solid base, along with the fact the weights slot neatly into one another, also makes them compact and easy to store.
Features at a Glance
| Type | Selector pin |
|---|---|
| Sold as a pair? | Yes |
| Maximum weight | 18kg (up to 40.8kg with expansion packs) |
| Minimum weight | 2.3kg |
| Dumbbells replaced | 16 |
Half Human Adjustable Dumbbell Set (25KG)
Half Human Adjustable Dumbbell Set (25KG)
Pros
- Only replaces five pairs of dumbbells
- Hexagonal shape prevents dumbbells from rolling
- Good value for 50kg total weight
- Comes with stands for each dumbbell
Cons
- Only replaces five dumbbells
Maybe you're just starting out with weights, want to perfect your form with a lower kg, recovering from injury or are simply chasing endurance or lean muscle over mass. Allow us to introduce you to these nifty dumbbells from Half Human.
Sold as a pair, they have a weight range of 5-25kg via 5kg increments, replacing five pairs of dumbbells. Each weight is chosen via the twist handle, which selects the weight on each side in tandem. The mechanism is smooth and clicks into place in a satisfying way, with clear weight markers on the sides.
Placing the handle onto the cradle (unless you're working with 25kg) can be a little tricky as you have to line the plates up with precision, but you quickly get the hang of it.
The grippy handle is comfortable and easy to use even when things get sweaty, and the cradle, while plastic, feels sturdy enough for the job.
The weights take up even less space than your average adjustable set (the footprint of one is just 31 x 15cm) and we like that they don't roll away thanks to the straight edges on the hexagonal design.
Features at a Glance
| Type | Twist handle |
|---|---|
| Sold as a pair | Yes |
| Maximum weight | 25kg |
| Minimum weight | 5kg |
| Dumbbells replaced | 5 |
York Cast Iron Dumbbell Spinlock Set (20KG)
York Cast Iron Dumbbell Spinlock Set (20KG)
Pros
- Smooth adjustments
- Plates don't rattle
Cons
- Spinlock system is more time consuming than others
There’s something nostalgic about spinlock dumbbells, whether they remind you of your first free weight set or a spit and sawdust gym you used to frequent. This 20kg kit is no different, with 12 cast iron plates combining to provide a range of weight options.
Now, with 90 years in the weightlifting game, we expected big things from York, and the brand didn’t disappoint. These well-built dumbbells ooze quality, with the spinlock collars moving smoothly to secure the weight’s plates. They aren’t particularly heavy, even when maxed out to 20kg, but work well if you want to supplement your weekly gym routine with some at-home sessions.
Features at a Glance
| Type | Spinlock |
|---|---|
| Sold as a pair? | Yes |
| Maximum weight | 20kg |
| Minimum weight | 1.3kg |
| Dumbbells replaced | 10 |
EnterSports Adjustable Dumbbells
Pros
- Non-slip twist handles
- Sold as a pair
Cons
- Lower weight range won't suit all
If you're new to strength training, prefer high-reps to heavy lifts for home workouts or want a set the whole family can use, this sleek set of adjustable dumbbells might be the pick for you. Ranging from 2kg to 12kg in 2.5kg increments, they still unlock a wide range of training options but for a cut price and more compact footprint. Plus they're sold in a pair.
Twist handles make for seamless weight changes, while the sturdy base stops your dumbbells rolling off in-between sets. For the price, the build quality is excellent too.
Features at a Glance
| Type | Twist handle |
|---|---|
| Sold as a pair | Yes |
| Maximum weight | 2kg |
| Minimum weight | 12kg |
Northdeer Ultracompact Steel Adjustable Dumbbells
Northdeer Ultracompact Steel Adjustable Dumbbells
Pros
- Excellent quality and look the part
- Simple screw system is easy to use
Cons
- Just 4 weight settings
These Northdeer dumbbells were different to anything else we tested, with the weight plates themselves having built-in screws and screw holes. These are used to attach them together, with the weight maxing out at 25kg.
There are only four different weight settings, starting at 12kg (a bit heavy for isolation moves like lateral raises). But the weights fix soundly into place, making these dumbbells suitable for more dynamic movements such as snatches.
Features at a Glance
| Type | Screw/unscrew |
|---|---|
| Sold as a pair | Depends on weight |
| Maximum weight | 25kg |
| Minimum weight | 12kg |
Best Adjustable Dumbbells Verdict
- Best single dumbbell: The 24kg Bowflex 552i is the best single adjustable dumbbell. It's on the bulky side, as it stays the same length regardless of the weight attached, but we didn't find it to be a problem during the majority of movements.
- Best 40kg adjustable dumbbells: If you want a 40kg weight, the Bowflex 1090i is your best bet. The intuitive spinlock design was the easiest and quickest to swap between weights, while also offering plenty of increments all the way up to 41kg.
- Best adjustable dumbbell set: The NordicTrack Select-A-Weight Dumbbells are a well priced, space-saving option that replace 30 individual dumbbells in total.
- Best adjustable dumbbells for beginners: There’s something nostalgic about spinlock dumbbells. They take longer than other pairs to adjust, but for pure simplicity this York Fitness set is the best option for beginners.
- Best flat base adjustable dumbbells: If you don't want your dumbbells rolling around your space – or you're especially fond of renegade rows – the Powerblock models are the standout option.
Are Adjustable Dumbbells Worth It?
Adjustable dumbbells are great if you’re short of space or looking to streamline the amount of equipment you have, says Jenni Tardiff, Master Trainer at The Gym Group. 'They’re easy to use and you can change between loads by turning a dial to select your weight, or some have sliding mechanisms or pins, removing the need for multiple different sets of dumbbells.’
Most adjustable dumbbells sit on a cradle or mount and have a handle that attaches to weight plates. These plates can be quickly loaded onto and off the handle via a selection mechanism, which may be a twist dial, twist handle or digital system.
The best adjustable dumbbells vary a fair bit in design, weight and cost. 'When comparing models, consider factors like max weight, increment size and ease of use to help you decide on the correct ones based on your training goals, space, and budget,’ says Tardiff.
How Do Adjustable Dumbbells Work?
Though there are some exceptions (like this Powerblock pair), most adjustable dumbbells fit into one of three categories: dial, spinlock and smart.
Dial
Dial models have a traditional dumbbell design – plates attached to a central handle – but each end is capped with a rotating dial that can be used to select how much weight you want onto the bar. You’ll need to re-rack them into their holding dock before changing the resistance. Then, similar to digital dumbbells, any excess weight plates will be left behind while the necessary load will remain attached to the bar.
Some dial models will have a dial on each end, while others save time by only requiring you to turn one dial to switch the resistance. We also like the addition of security locks to a few models, which help make sure the plates stay in place. They can rattle a bit in use, but we tested one pair that can load up to 41kg on a single dumbbell, making these a good option for at-home heavy lifters.
Spinlock
For an old-school experience, classic spinlock dumbbells consist of two bars, a selection of smaller weight plates, and four spinlock collars that twist into place on the grooved ends of each dumbbell to secure the load. These old-school lifting implements offer everything you’d want from a pair of weights. Yes, it can take a while to change the weight as you have to spin each individual collar on and off each time, and the plates can clang when you press them overhead. But their no-frills build makes them much cheaper than their tech-heavy counterparts.
Smart
Smart models are the latest evolution of the humble dumbbell. Like standard dial models, they allow you to change the resistance of your weights with minimal effort. Where they differ is the connectivity. They come with clever holding docks fitted with built-in chips for pairing to a smart device. This gives you the ability to track your form and progress inside companion apps, receiving real-time pointers to improve your sessions.
Other Thing to Consider
Brand
When dealing with heavy weights, it's important not to skimp and to go for a trusted brand from a reputable retailer. The last thing you want is weight plates crashing on your feet or worse, your face, mid-rep. You can buy adjustable dumbbells online or in fitness stores, where you’ll find a range of different brands and models.
Size
While they save space overall, it’s worth taking into account that the size of a lightly loaded adjustable dumbbell will be a lot larger than one you'd take from a rack. 'They can be used for strength training in the same way you would use traditional style dumbbells found in gyms, but they are usually bigger and bulkier,' says Tardiff. 'You’re also more limited in the range of weight available,’ so make sure to check the range that suits your training before shopping.
Max Weight
Despite their benefits, it’s true that most adjustable dumbbells have a relatively low ceiling when it comes to max weight. For compound movements, even the heaviest 41kg Bowflex model we tested might prove insufficient for experienced lifters.
To get around it, consider implementing other methods to overload your muscles aside from simply reaching for heavier weights. For example, increasing volume by way of reps and sets is a straightforward means of getting around limited mass: think supersets, shorter rest periods and tempo set by increasing time under tension.
Do Adjustable Dumbbells Break?
If you treat them like regular dumbbells then yes, they are very likely to break. Adjustable dumbbells typically house plastic mechanisms that engage and disengage the individual weight plates. If you slam them on the ground between sets then you run the risk of damaging these components. Some pairs are more robust than others – see the York Cast Iron Dumbbell Spinlock Set – but for the sake of your flooring, we'd suggest avoiding dropping them regardless.
How Much Should Adjustable Dumbbells Cost?
The price of adjustable dumbbells is typically determined by how much weight they carry. Lighter models around 24kg can be found for about £150, whereas heavier models that push 30kg and even 40kg will typically demand anywhere between £250 and £400. It's often more economical to pick up a pair of dumbbells instead of one on its own. The 25kg Half Human Adjustable Dumbbell Set, for example, retails for £250.
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Luke Chamberlain is the ecommerce editor for Men’s Health UK where he compiles expert-led buying guides and in-depth product reviews across gym wear, fitness tech, supplements, and grooming. Responsible for testing everything from the latest gym headphones to the best beard trimmers, Luke also enlists the help of leading health and wellness experts to help readers make informed choices when shopping online. He also covers major sales events for Men’s Health, including Black Friday and Amazon Prime Day, scouting and verifying hundreds of discounts in order to recommend only the most genuine deals on offer. A magazine journalism graduate from the University of Sheffield in 2018, Luke has also worked as assistant editor for Outdoor Swimmer magazine and as an ecommerce writer for The Recommended. When he’s not testing the latest health and fitness products, he’s busy plotting routes for his next trail run or gravel ride out of London. Follow Luke on Instagram at @lukeochamb
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