What Bowling Ball Weight Should You Use?

What bowling ball weight should you use?

The right bowling ball weight is the heaviest ball you can swing and release comfortably, frame after frame, without squeezing it or losing your balance. A widely used starting point is about 10 percent of your body weight, up to the maximum of 16 pounds. Treat that figure as a guideline for where to start testing, not as a rule: grip, strength, technique and whether the ball is drilled for your hand matter just as much.

The rules: 16 pounds maximum, no minimum

Under the equipment specifications of the United States Bowling Congress (USBC), a bowling ball may weigh no more than 16 pounds (about 7.3 kg). There is no minimum weight. The limit tells you what is allowed in sanctioned play; it is not a recommendation to use the heaviest legal ball. Even on the professional tours, many players choose a ball lighter than 16 pounds.

Fit changes how heavy a ball feels

House balls have standard holes that are meant to fit as many guests as possible. To hold on to them during the swing, you often have to grip harder than you would like. A ball drilled for your hand by a pro-shop professional does not need to be squeezed, which is why many bowlers can control a slightly heavier ball once it is fitted properly. Coaches often suggest trying a ball about one pound heavier than the house ball you are used to – provided the fit is right and you stay in control.

So assess weight and fit together. If you are planning your first personal ball, the pro shop at your bowling center can measure your span and finger sizes before you settle on a weight. How the holes are fitted is explained in our guide to bowling ball drilling and finger fitting.

How to test a weight

Start with house balls around your starting weight and compare neighbouring weights over several frames with your normal approach. A single shot or holding the ball still tells you little. Check the following:

• Relaxed grip: you can hold the ball without squeezing.
• Free swing: the ball swings like a pendulum and does not pull your arm or your body off line.
• Balance at the foul line: you finish your slide in balance, without rushing your steps.
• Repeatable release: you can throw the same shot again and again, not just once.
• How your arm feels afterwards: tiredness or strain in the arm, wrist or shoulder after a few games is a sign the ball is too heavy.

Too heavy or too light?

A ball that is too heavy reduces accuracy and makes it harder to control your speed. Your swing gets tense, your timing suffers and the strain builds up over a session. A ball that is too light is easy to throw but is deflected more by the pins, so fewer of them fall on hits that should carry. A heavier ball carries more momentum into the pins – as long as you can still deliver it with control.

For beginners, control comes first: a slightly lighter ball you can throw consistently usually leads to better scores than a heavy ball you fight with.

Children and older bowlers

For children, choose a ball they can carry and roll without dropping it or losing their balance. Check the weight again as they grow. Older bowlers and anyone returning after an injury should apply the same test: the weight you used years ago is not an obligation. If a medical condition affects your arm or shoulder, ask a doctor or physiotherapist before you play.

If bowling causes pain, stop and do not play through it. Changing the ball weight does not replace medical advice.

Checklist

1. Start testing at about 10 percent of your body weight, no more than 16 pounds.
2. Compare neighbouring weights over several frames with your normal approach.
3. Choose the heaviest weight you can swing, release and repeat without strain.
4. Have your personal ball fitted by a pro shop – a good fit lets you control more weight.
5. Reassess after growth, injury or changes in strength.

The rest of your equipment

A ball in the right weight is one half of a consistent delivery; the other is a predictable slide at the foul line. If you bowl regularly, your own shoes are worth considering too. BOWLIO bowling shoes have a full-length leather sole under both shoes, so they are suitable for left- and right-handed bowlers, from beginners to professionals.

Further reading: Choosing your first bowling ball · Reactive or plastic bowling ball · Bowling for beginners