Strength · Dumbbells
Best Adjustable Dumbbells (2026)Six Sets Compared by Range, Price per Pound and Space
Prices checked November 11, 2026 · 10 min read
A full rack of fixed dumbbells from 5 to 50 lb is ten pairs, around 550 lb of iron and a wall of floor space. An adjustable pair replaces it with two blocks that sit on a shelf or a stand. That is why adjustable dumbbells are usually the second big purchase in a home gym, right after a power rack.
We compared six sets on Amazon using each listing's own data on the date shown above: price, seller, weight range, increments, warranty and the stated size of each dumbbell. Where a listing does not state a figure, we say so rather than fill it in. This is research from published specifications, not hands-on testing.
The short version: the PowerBlock Elite EXP Stage 1 at $399 is the most adaptable buy, because it starts at 50 lb per hand and grows to 90 lb with expansion kits. If you want a conventional dumbbell shape and a dial, the Bowflex SelectTech 552 costs about the same. If you already know you need heavy weights, the PowerBlock Elite USA 90 gets you to 90 lb per hand in one box.
Quick picks
- $399.00Shop now →
Best overall
PowerBlock Elite EXP Adjustable Dumbbells, Stage 1 (5 to 50 lb, Pair)Starts at 50 lb per hand and grows to 90 lb.
- $869.00Shop now →
Best for heavy lifters
PowerBlock Elite USA 90 Adjustable Dumbbells (5 to 90 lb, Pair)5 to 90 lb per hand in one set.
- $399.99Shop now →
- $730.55Shop now →
Best premium round set
NÜOBELL Adjustable Dumbbells 5 to 80 lb (Pair)Twist-lock, 5 to 80 lb in 5 lb steps.
- $350.99Shop now →
Lowest price per pound
Core Fitness Adjustable Dumbbell Set (5 to 50 lb, Pair)About $3.51 per pound of capacity.
- $399.00Shop now →
Some links on this page go to Amazon. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Specifications come from each product's Amazon listing or manufacturer, not from our own testing; prices were checked on the date shown and change often. Affiliate disclosure
The picks
The 6 best adjustable dumbbells for a home gym
PowerBlock Elite EXP Adjustable Dumbbells, Stage 1 (5 to 50 lb, Pair)
The Elite EXP Stage 1 covers 5 to 50 lb per hand in 16 increments, with 2.5 lb micro weights and a magnetic selector pin. Its real advantage is the upgrade path: Stage 2 and Stage 3 kits (sold separately) take it to 70 and then 90 lb per hand. At 12 x 7 x 7 in per dumbbell, the listing makes it the most compact set here. The trade-off is the shape: a square block rather than a round dumbbell, which some people find awkward for presses and flyes.
- Footprint
- 12 in x 7 in (30 cm x 18 cm)
- Ceiling
- Your height + deck + headroom
- Rated capacity
- 50 lb max load
- Warranty
- 5-year limited residential (not for commercial use)
Clearance: The most compact set here: 12 x 7 x 7 in per dumbbell. Expandable to 70 or 90 lb per hand with Stage 2 and 3 kits (sold separately).
PowerBlock Elite USA 90 Adjustable Dumbbells (5 to 90 lb, Pair)
If you already press or row with more than 50 lb, buying the full range once is simpler than buying a base set and two kits. The Elite USA 90 includes all three stages, from 5 to 90 lb per hand in 2.5 to 5 lb steps, with a knurled handle and a selector pin the listing rates to 500 lb. At $869 it is the most expensive set here, but it replaces 16 pairs of fixed dumbbells according to the listing.
- Footprint
- 12 in x 6 in (30 cm x 15 cm)
- Ceiling
- Your height + deck + headroom
- Rated capacity
- 90 lb max load
- Warranty
- 5-year residential (not for commercial use)
Clearance: 12 x 6 x 6 in per dumbbell; replaces 16 pairs (825 lb) of fixed dumbbells per the listing.
Bowflex SelectTech 552 Adjustable Dumbbells (Pair)
The SelectTech 552 is the set most people picture when they hear adjustable dumbbells: turn the dials on each end and lift the dumbbell out of its tray at 5 to 52.5 lb. It feels closer to a normal dumbbell than a PowerBlock, which matters for movements where the plates pass close to your body. The ceiling is fixed at 52.5 lb, there is no expansion path, and the Amazon listing does not state the warranty or the size of each dumbbell.
- Footprint
- Not stated by the seller x Not stated by the seller
- Ceiling
- Your height + deck + headroom
- Rated capacity
- 52.5 lb max load
- Warranty
- Not stated by the seller
Clearance: Each dumbbell sits in its own storage tray; replaces 15 pairs of fixed dumbbells per the listing.
NÜOBELL Adjustable Dumbbells 5 to 80 lb (Pair)
NÜOBELL uses a twist-lock: turn the handle while the dumbbell sits in its cradle, then lift it out at anything from 5 to 80 lb in 5 lb steps. The plates are powder-coated cast iron and the handles knurled aluminum, so it looks and feels closer to a fixed dumbbell than any other set here. At $730.55 (sold by NUOBELL) it is a premium price for an 80 lb ceiling, and 5 lb jumps are coarser than the PowerBlock's 2.5 lb steps.
- Footprint
- Not stated by the seller x Not stated by the seller
- Ceiling
- Your height + deck + headroom
- Rated capacity
- 80 lb max load
- Warranty
- 2-year warranty (details at the NÜOBELL store)
Clearance: Twist-lock: turn the handle in the cradle to select the weight, then lift out.
Core Fitness Adjustable Dumbbell Set (5 to 50 lb, Pair)
Core Fitness uses the same twist-in-the-cradle idea as NÜOBELL at a lower price: $350.99 for a 5 to 50 lb pair, which works out to about $3.51 per pound of capacity, the lowest here. The listing states a 2-year parts warranty. It stops at 50 lb with no expansion, so it suits people who train mostly with moderate weights and higher reps.
- Footprint
- Not stated by the seller x Not stated by the seller
- Ceiling
- Your height + deck + headroom
- Rated capacity
- 50 lb max load
- Warranty
- 2-year parts
Clearance: TwistLock cradle; weights change one-handed with the dumbbell seated in the cradle.
NordicTrack 55 lb Select-a-Weight Dumbbell Pair
NordicTrack's Select-a-Weight set goes to 55 lb per hand and adjusts in 2.5, 5 and 10 lb steps, with 15 settings per dumbbell. The 10 lb handle can be used on its own. The listing states a 2-year warranty covering repair or replacement and shipping. Like the Bowflex, the top weight is fixed, so it is best for people who do not expect to need much more than 55 lb.
- Footprint
- Not stated by the seller x Not stated by the seller
- Ceiling
- Your height + deck + headroom
- Rated capacity
- 55 lb max load
- Warranty
- 2 years, repair or replacement
Clearance: Stored in custom-molded trays with weight markings.
Value
Price per pound of capacity
Adjustable dumbbells are easiest to compare by cost per pound of maximum weight across the pair. Prices are the Amazon prices on the check date; the math is ours.
| Set | Price (pair) | Max per hand | Pair capacity | Price per lb |
|---|---|---|---|---|
| Core Fitness 5 to 50 lb | $350.99 | 50 lb | 100 lb | $3.51 |
| NordicTrack Select-a-Weight 55 | $399.00 | 55 lb | 110 lb | $3.63 |
| Bowflex SelectTech 552 | $399.99 | 52.5 lb | 105 lb | $3.81 |
| PowerBlock Elite EXP Stage 1 | $399.00 | 50 lb | 100 lb | $3.99 |
| NÜOBELL 5 to 80 lb | $730.55 | 80 lb | 160 lb | $4.57 |
| PowerBlock Elite USA 90 | $869.00 | 90 lb | 180 lb | $4.83 |
The PowerBlock Elite EXP figure is for Stage 1 only. Stage 2 and Stage 3 kits are sold separately and change the math.
Will it fit
How much space each set takes
Every set here replaces a full dumbbell rack. The difference is how big each dumbbell and its tray or cradle are. Only the PowerBlock listings state a size per dumbbell.
- Footprint
- 12 in x 7 in (30 cm x 18 cm)
- Ceiling
- Your height + deck + headroom
- Capacity
- 50 lb max load
- Clearance
- The most compact set here: 12 x 7 x 7 in per dumbbell. Expandable to 70 or 90 lb per hand with Stage 2 and 3 kits (sold separately).
- Footprint
- 12 in x 6 in (30 cm x 15 cm)
- Ceiling
- Your height + deck + headroom
- Capacity
- 90 lb max load
- Clearance
- 12 x 6 x 6 in per dumbbell; replaces 16 pairs (825 lb) of fixed dumbbells per the listing.
- Footprint
- Not stated by the seller x Not stated by the seller
- Ceiling
- Your height + deck + headroom
- Capacity
- 52.5 lb max load
- Clearance
- Each dumbbell sits in its own storage tray; replaces 15 pairs of fixed dumbbells per the listing.
- Footprint
- Not stated by the seller x Not stated by the seller
- Ceiling
- Your height + deck + headroom
- Capacity
- 80 lb max load
- Clearance
- Twist-lock: turn the handle in the cradle to select the weight, then lift out.
- Footprint
- Not stated by the seller x Not stated by the seller
- Ceiling
- Your height + deck + headroom
- Capacity
- 50 lb max load
- Clearance
- TwistLock cradle; weights change one-handed with the dumbbell seated in the cradle.
- Footprint
- Not stated by the seller x Not stated by the seller
- Ceiling
- Your height + deck + headroom
- Capacity
- 55 lb max load
- Clearance
- Stored in custom-molded trays with weight markings.
| Product | Price | Footprint (L x W) | Ceiling | Clearance | Rated capacity |
|---|---|---|---|---|---|
| PowerBlock Elite EXP Adjustable Dumbbells, Stage 1 (5 to 50 lb, Pair) | $399.00 | 12 in x 7 in (30 cm x 18 cm) | Your height + deck + headroom | The most compact set here: 12 x 7 x 7 in per dumbbell. Expandable to 70 or 90 lb per hand with Stage 2 and 3 kits (sold separately). | 50 lb max load |
| PowerBlock Elite USA 90 Adjustable Dumbbells (5 to 90 lb, Pair) | $869.00 | 12 in x 6 in (30 cm x 15 cm) | Your height + deck + headroom | 12 x 6 x 6 in per dumbbell; replaces 16 pairs (825 lb) of fixed dumbbells per the listing. | 90 lb max load |
| Bowflex SelectTech 552 Adjustable Dumbbells (Pair) | $399.99 | Not stated by the seller x Not stated by the seller | Your height + deck + headroom | Each dumbbell sits in its own storage tray; replaces 15 pairs of fixed dumbbells per the listing. | 52.5 lb max load |
| NÜOBELL Adjustable Dumbbells 5 to 80 lb (Pair) | $730.55 | Not stated by the seller x Not stated by the seller | Your height + deck + headroom | Twist-lock: turn the handle in the cradle to select the weight, then lift out. | 80 lb max load |
| Core Fitness Adjustable Dumbbell Set (5 to 50 lb, Pair) | $350.99 | Not stated by the seller x Not stated by the seller | Your height + deck + headroom | TwistLock cradle; weights change one-handed with the dumbbell seated in the cradle. | 50 lb max load |
| NordicTrack 55 lb Select-a-Weight Dumbbell Pair | $399.00 | Not stated by the seller x Not stated by the seller | Your height + deck + headroom | Stored in custom-molded trays with weight markings. | 55 lb max load |
PowerBlock sizes are per dumbbell from the listings. The other listings give package or unclear item dimensions, so we show them as not stated rather than guess.
How to choose adjustable dumbbells
Start with your heaviest lift, not your lightest. Rows, split squats and heavier presses are where people outgrow a 50 lb set first. If you are already near 50 lb for any of those, either buy an expandable PowerBlock or go straight to a 80 to 90 lb set.
Decide on shape. Block-style PowerBlocks are the most compact and the most expandable, but they do not look or feel like a round dumbbell. Dial and twist-lock sets (Bowflex, NÜOBELL, Core) feel more conventional, at the cost of a fixed maximum.
Check the increments. Small jumps matter for shoulder work and accessory lifts. PowerBlock and NordicTrack adjust in 2.5 lb steps; NÜOBELL and Core move in 5 lb steps.
Plan where they live. A pair of adjustable dumbbells takes a fraction of a rack's floor space, but you still need somewhere stable at waist height to change weights. A weight bench or a sturdy shelf works. For the wider layout of a small room, see how much space a home gym needs, and if you press overhead standing, check the ceiling height guide first.
Budget the whole setup. Dumbbells pair naturally with an adjustable bench. Our home gym cost guide shows what a complete build adds up to.
FAQ
Are adjustable dumbbells worth it?
For most home gyms, yes. A single adjustable pair replaces 15 to 16 pairs of fixed dumbbells according to the Bowflex and PowerBlock listings, for $350 to $870 and a fraction of the floor space. Fixed dumbbells are still better if several people train at the same time with different weights.
PowerBlock or Bowflex: which is better?
PowerBlock is better if you want to grow: the Elite EXP goes from 50 to 90 lb per hand with expansion kits and has a 5-year residential warranty on the listing. Bowflex SelectTech 552 is better if you prefer a conventional dumbbell shape and do not need more than 52.5 lb.
What weight adjustable dumbbells should I buy?
Buy for your heaviest exercise. A 50 lb set covers most beginners and many intermediate lifters. If you already row or press near 50 lb, choose a set that goes to 80 or 90 lb, or an expandable PowerBlock.
How much space do adjustable dumbbells need?
Very little. The PowerBlock Elite EXP listing gives 12 x 7 x 7 in per dumbbell. Allow a stand, bench or shelf at waist height to change weights safely; see our space planning guide.
Can you drop adjustable dumbbells?
None of these listings say they are designed to be dropped, and the selector mechanisms are the vulnerable part. Set them down rather than dropping them, and follow each manufacturer's instructions.
