Best Adjustable Dumbbells

What separates the best adjustable dumbbells on this page?

All three picks land within half a point of each other, so the differences come down to adjustment style, ceiling, and price. The PowerBlock Elite EXP scores 8.1 at $399. Its 2.5 lb increments are finer than the Bowflex SelectTech 552's steps, and it expands to 90 lb per hand with separately sold Stage 2/3 kits. The trade-off: those kits cost extra, and the compact block shape has a shorter handle than a traditional dumbbell.

The Bowflex SelectTech 552 (Results Series) scores 7.9 at $399, regularly $479 at bowflex.com. A turn-dial moves each dumbbell across 15 settings from 5 to 52.5 lb, and Bowflex states the pair replaces 15 sets of fixed dumbbells. Amazon's own review data could not be independently reloaded to confirm at publish time, and it costs more upfront than a basic fixed set.

The CAP Barbell ADJUSTABELL scores 7.7 at $299.99. Its patented twist-handle/cradle system (U.S. Patent No. 11,285,354) adjusts 10–55 lb per dumbbell with no pins or knobs to lose, and the anti-roll hex shape keeps it in place on the floor. The 5 lb increments are coarser than the PowerBlock's 2.5 lb steps, and it does not expand past 55 lb per hand.

What should I check before buying adjustable dumbbells?

Scoring weights materials and build at 30, effectiveness at 25, independent review consensus at 20, durability and warranty at 15, and value at 10. That order tells you what to verify in person or in the listing.

• Adjustment increments: 2.5 lb steps on the PowerBlock suit small jumps; 5 lb steps on the CAP Barbell are coarser.
• Weight ceiling and expansion: the PowerBlock reaches 90 lb per hand only with separately sold kits; the CAP Barbell stops at 55 lb per hand.
• Handle feel: the PowerBlock's compact block shape has a shorter handle than a traditional dumbbell.
• Upfront cost: $299.99 for the CAP Barbell, $399 for the PowerBlock, $399 for the Bowflex (regularly $479 at bowflex.com).
• Review evidence: the PowerBlock shows 4.6 stars across 2,656 ratings; the CAP Barbell is an Amazon's Choice with 4.5 stars across 511 ratings; the Bowflex's Amazon rating data could not be independently reloaded at publish time.

PowerBlock Elite EXP Adjustable Dumbbells

For lifters who want fine 2.5 lb jumps and a path to 90 lb per hand through separately sold kits, and who can adapt to a shorter handle.

Bowflex SelectTech 552 (Results Series)

For anyone replacing a rack of fixed dumbbells: 15 settings from 5 to 52.5 lb via turn-dial, with Bowflex stating the pair replaces 15 sets.

CAP Barbell ADJUSTABELL Adjustable Dumbbell Set

For buyers who want the lowest price here at $299.99, a twist-handle with no pins or knobs to lose, and an anti-roll hex shape.

The PowerBlock Elite EXP suits lifters who want 2.5 lb increments and a route to 90 lb per hand with separately sold kits. The Bowflex SelectTech 552 fits anyone replacing 15 sets of fixed dumbbells with a turn-dial range of 5 to 52.5 lb. The CAP Barbell ADJUSTABELL is the pick at $299.99 if you want a twist-handle with no pins or knobs to lose.