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Adjustable kettlebells are strength training tools that people can use during their home workout. They allow individuals to add or remove weights to reach their fitness goals without needing much indoor space.

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Please note that the writer of this article has not tried any of these products. All information presented here is purely research-based.

Kettlebells are a type of home workout equipment that people may use for strength training exercises. They are dome-shaped and typically have a handle attached to the top.

Weight

Standard kettlebells have a fixed weight and come in varying sizes. In contrast, an adjustable kettlebell is a single piece of exercise equipment that a person can add or remove weight from as desired. These kettlebells feature a leakproof bag, so individuals may add water, sand, or gravel to adjust their kettlebell’s weight.

Adjustable kettlebells are generally more cost-effective than buying sets of kettlebells. They may also suit individuals with limited space for exercise.

Exercises

People can perform the same exercises with standard and adjustable kettlebells. Some of these include:

  • kettlebell swings
  • goblet squats
  • sumo upright rows
  • Russian twists

Learn more about standard kettlebells.

Individuals may wish to consider the following kettlebell features before making a purchase:

  • Handle: Kettlebells with a wide handle may suit taller individuals or those with larger hands. They may also suit people who wish to perform exercises involving holding a kettlebell with both hands.
  • Size: Adjustable kettlebells, especially those that require sand or water for adding weight, are larger than traditional variants. With this in mind, a person may prefer more space-saving exercise products.
  • Weight: Beginners may buy kettlebells that come with weights ranging between 5 and 10 pounds (lb). Those who exercise regularly may prefer a kettlebell with 30–40 lb of weight.

There are many adjustable kettlebells available for purchase. Below are some options that are suitable for people to use at home.

Bowflex SelectTech 840 Kettlebell

Best for smaller spaces

Weight range8–40 lb
Weight increments8, 12, 20, 25, 35, and 40 lb

This adjustable kettlebell may suit those with limited home exercise space. According to Bowflex, this product can do the job of six kettlebells.

Using the dial to add or remove weights, a person can adjust the kettlebell with six settings to make it weigh between 8 and 40 lb.

Individuals may wish to view the kettlebell exercise videos on Bowflex’s website to learn more about the type of routines they can perform.

The Bowflex SelectTech 840 has the following dimensions:

  • width: 8.81 inches (in)
  • depth: 7 in
  • height: 12.52 in

At the time of publishing, the Bowflex SelectTech 840 Kettlebell costs $149.

Apex Adjustable Heavy Duty Kettlebell

Best for heavier weights

Weight range20–40 lb
Weight increments2.5, 5, and 10 lb

The Apex Adjustable Heavy Duty Kettlebell comes with:

  • a 15-lb weighted handle
  • four nonweighted removable spacer disks
  • a 5-lb base
  • a U-bar handle for a better grip that allows for large movements

A person can replace the removable spacer disks with 2.5, 5, or 10 lb weights, meaning they can adjust the weight of the kettlebell between 20 and 50 lb.

At the time of publishing, the Apex Adjustable Heavy Duty Kettlebell costs $53.70.

Ludus Imperium Adjustable Kettlebell Sandbag

Best for versatile training

Weight rangeup to 45 lb

This kettlebell comes with an inner bag that holds up to 45 lb of sand. The sandbag includes a built-in filler bag, additional zipper, and hook-and-loop closure to ensure the sand stays fully contained and does not leak during workouts.

Some of the exercises that people may perform with this kettlebell sandbag include:

  • throws
  • lunges
  • presses
  • carries
  • deadlifts
  • squats

In addition, individuals can throw and slam this product.

At the time of publishing, the Ludus Imperium Adjustable Kettlebell Sandbag had a list price of around $40.

Kamagon Water Filled Adjustable Weight Kettlebell

Best for lighter weight

Weight range2–13 lb

Kamagon’s adjustable kettlebell comes with two soft handles offering multiple grip options. People using this equipment may be able to perform different exercises such as Russian twists and overhead presses.

Individuals can add or remove water to adjust the weight from 2 to 13 lb.

Additionally, these kettlebells have a polyvinyl chloride construction, which helps minimize potential damage to flooring, unlike heavier iron weights.

At the time of publishing, the Kamagon Water Filled Adjustable Weight Kettlebell had a list price of around $30.

Powerblock Adjustable Kettlebell

Best for secure weight selection

Weight range18–35 lb
Weight increments18, 22, 26, and 35 lb

This Powerblock kettlebell features a 32-millimeter diameter handle and four settings that allow a person to adjust its weight range to between 18 and 35 lb.

It also features a steel selection pin with a magnetic lock, which individuals use to select their desired weight.

Its dimensions are:

  • length: 5.75 in
  • width: 4.25 in
  • height: 10 in

At the time of publishing, the Powerblock Adjustable Kettlebell costs $169.

People who wish to start exercising with adjustable kettlebells need to consider the following safety tips:

  • Start slowly: Individuals who do not exercise regularly may want to start with very light weights and increase them gradually. This may prevent muscle strain, pain, and soreness.
  • Breathe normally: People should breathe normally during strength training exercises, as this practice may prevent hernias.
  • Stop if there is sudden pain: Individuals who feel sudden or sharp pain during their workout should stop immediately and seek medical advice from a trusted healthcare professional.
  • Consult with a fitness trainer: Those interested in starting kettlebell training may consult a fitness trainer on weights and techniques.

The World Health Organization (WHO) says that people who do not partake in regular exercise may have a 20–30% increased risk of mortality than those who exercise regularly. The organization also states that a person should perform at least 50–300 minutes of moderate aerobic exercise or 75–150 minutes of vigorous aerobic activity every week.

The Centers for Disease Control and Prevention (CDC) add that people should perform muscle-strengthening activities twice a week. They also state that using equipment, such as adjustable kettlebells, for performing resistance exercises can improve a person’s overall muscle mass and function.

Additionally, BreastCancer.org claims strength exercises may have the following benefits:

  • strengthening the bones
  • improving balance and posture
  • fixing muscle imbalance or weakness after breast cancer surgery

Additionally, a recent study found that over 80% of adults do not engage in muscle-strengthening activities. According to the researchers, these exercises may help prevent sarcopenia, a health condition that causes a decline in muscle mass or function.

According to health experts, there are several adjustable kettlebell alternatives for muscle-strengthening exercises. These include:

  • weight lifting
  • exercises using resistance bands
  • bodyweight exercises such as pullups and pushups

Adjustable kettlebells may be the best option for people who wish to work out at home with limited space. Additionally, strength exercises can improve muscle flexibility, reduce the chance of specific health conditions, and help strengthen bones.

Before making a purchase, a person may wish to explore different manufacturers and choose a kettlebell that best suits their needs.

However, individuals should speak with a doctor before practicing muscle-strengthening exercises if they have an underlying health condition.