Kettlebell vs Dumbbell: Which Should You Buy First?

You have finally decided to train at home. The kids are in bed, the living room is clear, and you are scrolling through online shops trying to decide: kettlebell or dumbbells? You only have space under the sofa for one thing and money for maybe one or two. This is the kettlebell vs dumbbell question I get asked more than almost any other by parents in my classes, so here is my honest answer: what each one is good at, which to buy first, and the best moves for each.

The quick difference

A dumbbell has the weight split evenly on both sides of the handle. It sits balanced in your hand. A kettlebell has the weight in a ball below the handle, so the centre of mass hangs away from your hand. That small difference changes how each one feels and what it is best for.

• Dumbbells are stable, predictable and easy to learn with. Great for pressing, rowing, curling and lunging.
• Kettlebells are made for swinging and for moves where the weight travels around your body. They are excellent for hip power, grip and conditioning, and brilliant for squats held at the chest.

Kettlebell vs dumbbell for home training: a side-by-side look

	Kettlebell	Dumbbell
Easiest to learn	Squats and deadlifts easy; swings need coaching	Yes, most moves feel natural
Best for	Swings, goblet squats, deadlifts, carries, cardio-style circuits	Presses, rows, lunges, curls, single-arm work
Space	One bell covers a lot	Usually need a pair
Weight jumps	Often big (4kg steps)	Smaller steps, or adjustable
Kid safety	Rolls less, but heavy and swung	Can roll on hard floors

Which should you buy first?

My answer depends on what you want and how you like to train.

Buy a kettlebell first if:

• You want short, sweaty sessions that get your heart rate up and build strength at the same time.
• Your main goal is a stronger lower body, bum and back.
• You have very little space. One kettlebell gives you a full-body workout.

Buy dumbbells first if:

• You are brand new to strength training and want everything to feel stable and simple.
• Upper body strength is a priority, such as pressing and pulling.
• You want to progress in smaller steps. A pair of adjustable dumbbells grows with you.

For most busy parents I coach, I suggest one kettlebell first, then a pair of dumbbells a few months later. One medium kettlebell covers squats, deadlifts, swings, rows and carries. My guide to what weight kettlebell to start with will help you choose the right size.

Best kettlebell moves

1. Goblet squat: hold the bell by the horns at your chest and squat. The weight in front helps you sit upright. 3 x 10.
2. Kettlebell deadlift: bell between your feet, hinge at the hips with a flat back, stand up tall. The foundation for every swing. 3 x 10.
3. Two-handed swing: a powerful hip snap that sends the bell to chest height. Learn the deadlift first and get coaching if you can. 5 x 15, resting as needed.
4. Suitcase carry: hold the bell in one hand by your side and walk tall without leaning. 4 x 20 metres per side.
5. Single-arm row: one hand on a sofa or bench, row the bell to your hip. 3 x 10 per side.

My post on kettlebell exercises for beginners walks through these in more depth, and there is a ready-made 20-minute kettlebell workout for after bedtime.

Best dumbbell moves

1. Floor press: lie on your back, knees bent, press both dumbbells up from your chest. Safer than a bench press at home because the floor limits the range. 3 x 10.
2. Bent-over row: hinge forwards with a flat back and row both dumbbells to your ribs. 3 x 10.
3. Reverse lunge: a dumbbell in each hand, step back into a lunge. Easier on the knees than forward lunges for many people. 3 x 8 per leg.
4. Seated or standing shoulder press: press overhead with ribs down, no arching. 3 x 10.
5. Romanian deadlift: dumbbells slide down the front of your thighs as you hinge, then drive the hips forward. 3 x 10.

For a dumbbell routine built for a solo parent’s evening, see dumbbell exercises for single parents.

A 20-minute workout using both

When you own one kettlebell and a pair of dumbbells, try this circuit. Do 3 rounds, resting 60 to 90 seconds between rounds.

• Kettlebell goblet squat x 10
• Dumbbell floor press x 10
• Kettlebell deadlift x 10
• Dumbbell bent-over row x 10
• Kettlebell suitcase carry x 20 metres per side

Safety at home with kids around

• Store weights on the floor, never on shelves where little hands can pull them down.
• Do not swing a kettlebell with kids or pets anywhere near you. Save swings for when they are asleep or out.
• Train on a mat or rug to protect floors and stop dumbbells rolling.
• Choose a weight that leaves you 2 to 3 good reps in reserve at the end of a set.
• If you have back or joint problems, a health condition, or you are pregnant or postnatal, check with your GP or physio before starting. After birth, your GP check is usually around 6 to 8 weeks. The NHS has helpful advice on strength exercises you can do at home.

Try both before you buy

One of the easiest ways to decide is to use both in a coached session first. In my bootcamp classes, we use kettlebells and dumbbells every week, so you can find out what you enjoy before spending money. My SYP Built To Last strength class is the best one to try if you want to learn the main lifts properly.

FAQs

Is a kettlebell better than dumbbells for fat loss?

Neither is magic. Kettlebell circuits tend to get your heart rate up more, which some people enjoy. Overall, your consistency, food, sleep and daily movement matter far more than the tool.

Can you do the same exercises with a kettlebell and a dumbbell?

Many, yes: squats, deadlifts, rows, presses and lunges work with both. Swings, cleans and snatches are best with a kettlebell, while presses and curls usually feel more natural with dumbbells.

Are adjustable dumbbells worth it?

For home training in a small flat, often yes. They save space and let you progress in small steps. Check the locking mechanism is solid before buying.

What weight kettlebell should a beginner buy?

It depends on your strength and the moves you want to do. Many beginner women start with 8 to 12kg and many beginner men with 12 to 16kg. Test a few in person if you can.

Book your first class

Try kettlebells and dumbbells with a coach before you buy your own. SYP Bootcamp runs 45-minute small-group classes indoors in a church hall in Archway N19, max 10 people, £15 a class, with all equipment provided. Book your £15 class here or call or WhatsApp me on 07301 512215. If you would prefer a home plan built around your own equipment, take a look at my online coaching at SYP Fitness.

About the author

Artem Olekhnovych is a personal trainer in Archway and the founder of SYP Fitness and SYP Bootcamp. He has coached clients in Archway, Highgate and across North London for over 10 years, and runs small-group bootcamp classes for busy mums and dads. Read reviews from his 1-1 clients.