Launch Monitor Data, Explained

A launch monitor can show you a dozen or more numbers, and the marketing wants you to believe you need all of them. You don’t. A handful of metrics carry almost all the useful information for an improving golfer; the rest are refinements you can grow into. Here is what each one actually means, in plain English, and which ones to watch first.

The metrics that matter, translated

Carry vs total — the one to internalise

If you take one number from this page, make it carry distance. Total distance includes roll, which depends on firm or soft ground you can’t predict on the course. Carry is the honest number to club with — the distance the ball actually flies. Most amateurs club themselves off their best-ever total and come up short all day. Know your carry per club and you’ll leave fewer approach shots in the front bunker.

A quick illustration of why this matters: two golfers can finish a hole the same total distance, one flying the ball 210 yards with 5 of roll, the other flying it 190 with 25 yards of run on baked-out turf. Club off the total and the second golfer comes up 20 yards short the first day the fairways play soft. The figures here are illustrative, but the lesson isn’t — club off what the ball carries, not what it once rolled out to.

Ball speed and smash factor — where distance really comes from

Ball speed is the biggest lever on distance, and you raise it two ways: swing faster (club speed) or strike it better (smash factor). Smash factor is simply ball speed divided by club speed — a measure of how cleanly you caught it. A driver strike near 1.5 is efficient; a low smash means you’re losing speed to an off-centre hit. Chasing smash factor often adds more distance than chasing raw speed, because centre contact is free.

Spin and launch — the refinement, not the starting point

Launch angle and spin work together to shape your flight. Broadly, a lot of amateurs launch too low with too much spin off the driver, which balloons the ball and costs carry. These are the numbers a club-fitter optimises, but they’re a refinement — get your carry distances and your strike sorted first, then tune launch and spin. Remember too that on radar units spin is usually estimated, so read it as a trend, not an exact figure. That distinction is one reason to understand how different monitors capture the shot.

Which numbers to ignore at first

Angle of attack, spin axis, club path, face angle and the rest are genuinely useful — to a player already acting on the basics. Early on they’re noise that distracts from the two things that move your scores fastest: knowing your carry distances and making centre contact. Master those, and the finer numbers become the next chapter rather than the first confusing page.