Of all the different aspects of putting: look, feel, shape, style, shaft length, materials used, and whatever else you can think of, none are likely to be as important as moment of inertia. You may get a glazed over look in your eye when you see the term “moment of inertia”, or MOI. After all, it sounds a lot like physics. And it is.

But let me help you understand what is going on so you can grab yourself a great putter and improve your game!

What is MOI?

You don’t need an advanced physics degree to understand MOI. In golf, it is simply a measurement off the resistance to twisting of the club face at impact. For putters, if you strike the ball dead in the center of the putter face, you are unlikely to notice any twisting at all.

But when a putt hits off the heel or the toe (especially the toe), the club will twist upon impact. As you can imagine, this twisting has a direct affect on your putts. A putt hit in the center will go where it is directed, while a putt hit off-center will dive off its intended track and with less speed than intended.

All in all, not a great result for you as the putter!

The Sweet Spot

You have likely heard the term sweet spot. Unlike some physics terms, this one is simple to understand. This is the spot in the middle of the club face where we want to strike the ball for maximum efficiency.

You would do well to hit every putt in the sweet spot. Unfortunately, most people are not able to do so every time. In fact, your ability is one of two factors that affects how often you hit the sweet spot. It should be clear that the less skill you have, the less likely you are to hit said sweet spot. But things improve over time, so don’t sweat it!

The second factor is the length of the putt. No matter your skill level, longer putts mean longer swings. The longer your swing, the less likely you will be to hit the sweet spot.

While this seems obvious, many golfers ignore it during practice. You should be spending a large amount of your putting practice on both long and short putts. The idea is to make all of your putts within three feet, while lagging all of your longer putts to within three feet.

You will never get to 100 percent on either of those goals, but getting closer to perfection will dramatically lower the chances of a three-putt (or worse). This alone will improve any golfer’s score.

And this is where MOI comes in!

A High MOI is Your Friend

MOI is measured on a scale and described in grams per centimeter squared. You don’t need to know how that scale works, or how the number is expressed. The only thing you need to remember is that the higher the MOI the greater your sweet spot. Just focus on the number.

Putts hit off-center with a putter that has a relatively low MOI can end up several feet farther away from the target than those struck poorly with a high MOI putter.

Given that a high MOI increases the sweet spot leaving poor putts closer to the hole, it is fair to ask why anyone would choose a low-MOI putter.

The answer is that some golfers, especially highly skilled or professional golfers, don’t like giving up the feel they sacrifice with high-MOI putters. More golfers are beginning to realize that feel is simply not as important as MOI to your score, even among professionals.

Manufacturers obtain high MOI’s by moving weight to the heel and toe of the putter. This is easily achieved in mallet-style putter heads than with blades. Mallets are becoming more and more popular among professional golfers, and they stand to gain less than amateurs.

Here are some putters with high MOI to consider.

OUR TOP PICKS

Odyssey Stroke Lab Versa Putter (Right Hand, 35', #7, Pistol Grip)
Odyssey Stroke Lab Seven
  • Higher MOI
  • Well balanced and designed
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Titleist Scotty Cameron Futura Putter 2017 Right 7M 35
Titleist Scotty Cameron Futura 7M
  • Legendary putter brand used in PGA Tour wins
  • Soft mid-milled face with great feel
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MLA Golf Tour Series Putter RH X-Dream 36
MLA Tour X-Dream
  • Interchangeable weight system
  • High MOI - adjustable
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TaylorMade Golf Spider X Putter, Copper/White, #3 Hosel, Right Hand, 35'
TaylorMade Spider X
  • Endorsed by Rory McIlroy
  • Striking design
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Pinemeadow Golf PGX SL Putter (Men's Right Hand)
Pinemeadow Golf PGX SL
  • Great for budget-conscious golfers
  • Two-ball alignment system
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PING Sigma 2 Valor Stealth Putter (PING PP60 Pistol Putter Grip - Midsize) (Right, Adjustable 32-36)
Ping Sigma 2 Valor Stealth
  • Highly customizable
  • Helps get correct putter length
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Odyssey Stroke Lab Seven

Odyssey Stroke Lab Versa Putter (Right Hand, 35', #7, Pistol Grip)

This is among the highest quality putters you can buy from an industry leader. The Odyssey Stroke Lab Seven is a “fang” design, so-called because of the wings behind the toe and heel of the club head. This allows for a higher MOI and the resulting consistency you would expect from such a putter.

Odyssey has added a soft insert on its club face that has a large center of gravity. The putter is counterbalanced, with weight added to the grip as well as the head. Much of the shaft is made from graphite, lowering the overall weight of the club, despite the larger club head.

There is one potential drawback. One is that some Amazon purchasers complained the grip delivered is not the same as the one pictured.

The price may be too steep for some golfers, although with the high quality it is difficult to say it isn’t worth it and it isn’t totally out of line with other high quality putters.

Pros

  • Higher MOI
  • Well balanced and designed

Cons

  • Grip may not be the same as pictured
  • High price
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Titleist Scotty Cameron Futura 7M

Titleist Scotty Cameron Futura Putter 2017 Right 7M 35

Scotty Cameron is a legendary name in putters, as the designer’s putters were used in dozens of major victories on the PGA Tour. Those were blade putters, but you can still imagine that this mallet version is of the highest quality.

A soft mid-milled face helps alleviate any concerns about feel, while the manufacturer promises the heel-and-toe weighting will provide consistency and forgiveness on putts of any length. It delivers.

Pros

  • Legendary putter brand used in PGA Tour wins
  • Soft mid-milled face with great feel
  • Consistent & forgiving

Cons

  • Not the cheapest
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MLA Tour X-Dream

MLA Golf Tour Series Putter RH X-Dream 36

Another great option in a similar price range as those mentioned above, the Tour X-Dream’s greatest feature might be the interchangeable weight system. It has a high MOI that you can adjust to fit your game. For less experienced golfers, that weight system might be a drawback.

This putter has both a great feel and look, giving the wielder of the club great confidence.

Pros

  • Interchangeable weight system
  • High MOI - adjustable
  • Great look & feel

Cons

  • Not ideal for beginners
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TaylorMade Spider X

TaylorMade Golf Spider X Putter, Copper/White, #3 Hosel, Right Hand, 35'

You must be doing something right to gain the endorsement of Rory McIlroy, recently voted as Player of the Year by his professional peers. McIlroy backs up his endorsement by using the putter on tour with great success.

With a striking design, TaylorMade promises superior alignment and stability. The high MOI ensures the latter, while your alignment will be aided by the company’s True Path Alignment system.

The only downside is that a few buyers have complained about paint chipping, which should definitely not be an issue with a club in this price range.

Pros

  • Endorsed by Rory McIlroy
  • Striking design
  • Superior alignment & stability

Cons

  • Paint chipping can occur
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Pinemeadow Golf PGX SL

Pinemeadow Golf PGX SL Putter (Men's Right Hand)

We would be remiss without including a less expensive option. This one might not have the high quality as the others, but that does not mean you will get poor performance.

Pinemeadow has included a two-ball alignment system that makes it easy to hit your target. For less experienced golfers, or those on a budget, this could be a good choice.

You will likely see more wear and tear on this putter than others on the list. That is not surprising since it’s considerably less expensive.

As you can see, there are plenty of quality high-MOI putters to choose from. Many are on the high end in price, but you need to take into account the total picture. A high price does not necessarily mean low value, as putters can last for many years, even decades.

If you find the right one for you, you may never want to take it out of your bag again.

Pros

  • Great for budget-conscious golfers
  • Two-ball alignment system

Cons

  • Faster wear & tear
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Ping Sigma 2 Valor Stealth

PING Sigma 2 Valor Stealth Putter (PING PP60 Pistol Putter Grip - Midsize) (Right, Adjustable 32-36)

This is a highly customizable putter with great stability. The customizable portion comes in the length of the club. Having the wrong length putter is an often overlooked problem and this putter helps solve it.

You can also have it built as a face-balanced or mid-hang balance.

Some golfers may not want all the customization for fear of getting it wrong. If you can get past that, this is an excellent choice.

Pros

  • Highly customizable
  • Helps get correct putter length

Cons

  • Customization can be complex
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So, there you have it. Quite a few choices for a High MOI putter.

Some are super-well designed and also expensive. Others are cheaper, but will serve you well if you are starting out.

In the end, it is always a compromise, right? Just pick one and your game will improve no matter what!