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Calcimator

Club Fitting Calculator

Get club length, lie angle, shaft flex, and grip size recommendations from your body measurements and swing speed.

About this calculator

This calculator turns three body measurements and one swing metric into starting-point club specs. Club length adjustment comes from a standard fitting-chart lookup keyed on your wrist-to-floor measurement (with roughly 34 inches treated as the baseline for standard-length clubs), then nudged further for players at height extremes — very tall or very short golfers get an extra length tweak beyond what wrist-to-floor alone predicts. Lie angle works differently: it's derived from the ratio of your wrist-to-floor measurement to your height, since that ratio captures how upright or bent-over your natural setup is independent of your absolute size — a low ratio (relatively long arms/short torso) calls for a more upright lie, a high ratio calls for a flatter one, banded in roughly 1.5%-of-ratio increments around a standard middle range.

Shaft flex is a straightforward swing-speed threshold table (Ladies below 65 mph, Senior, Regular, Stiff, Extra Stiff at 110+), and grip size follows your stated hand/glove size, with one exception: medium-handed golfers swinging over 100 mph get nudged toward a slightly larger grip, since faster swings benefit from more grip surface regardless of hand size. Treat every output here as a fitting-cart starting point, not a final spec — actual lie angle, in particular, should always be confirmed with impact tape or a launch monitor at a real fitting, since posture and setup habits vary the formula's assumptions in ways a calculator can't see.

Inputs

Results

Club Length Adjustment (inches)

0

Lie Angle Adjustment (degrees)0
Shaft Flex (1-5)3
Wrist-to-Floor Ratio0.49
Shaft Flex RecommendationR (Regular)
Grip Size RecommendationStandard
How to Use This Calculator
  1. Measure and enter your Height in inches and Wrist-to-Floor distance in inches.
  2. Select your Hand Size (Small, Medium, or Large).
  3. Enter your Driver Swing Speed in mph.
  4. Review Club Length Adjustment (inches from standard), Lie Angle Adjustment, and Shaft Flex recommendation.
  5. Use these specs as starting points when visiting a professional club fitter.

How the result changes with Wrist-to-Floor (inches)

Wrist-to-Floor (inches)Club Length Adjustment (inches)
25-1.5
26-1.5
421.5

What each input means

Height (inches)
Your height in inches (e.g., 5'10" = 70 inches).
Wrist-to-Floor (inches)
Stand upright, arms relaxed at sides. Measure from wrist crease to floor.
Hand Size
Your hand/glove size for grip sizing.
Driver Swing Speed (mph)
Your driver clubhead speed. Average male ~93 mph, female ~65 mph.

What each result means

Club Length Adjustment (inches)
Recommended adjustment from standard club length. Positive = longer, negative = shorter.
Lie Angle Adjustment (degrees)
Degrees from standard lie angle. Positive = more upright, negative = flatter.
Shaft Flex (1-5)
1=Ladies, 2=Senior, 3=Regular, 4=Stiff, 5=Extra Stiff.
Wrist-to-Floor Ratio
Your wrist-to-floor / height ratio used for lie angle fitting.
Shaft Flex Recommendation
Recommended shaft flex based on swing speed.
Grip Size Recommendation
Recommended grip size based on hand measurement.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Height (inches) = 70, Wrist-to-Floor (inches) = 34, Hand Size = 2, Driver Swing Speed (mph) = 90 = 4 input(s) provided
  2. Calculate Club Length Adjustment
    0 = 0
  3. Calculate Lie Angle Adjustment
    0 = 0
  4. Calculate Shaft Flex
    Shaft Flex
    3 = 3

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.

Frequently Asked Questions

Why does my height matter if club length is already based on wrist-to-floor measurement?

Wrist-to-floor drives the primary length-adjustment lookup, but the calculator adds a secondary nudge for players at height extremes — golfers 78 inches or taller get up to an extra 0.5 inches added, and golfers 60 inches or shorter get up to an extra 0.5 inches subtracted — because wrist-to-floor alone can under-adjust for players whose overall proportions are unusually tall or short.

How is lie angle different from club length, if they're both based on body measurements?

Lie angle uses the ratio of your wrist-to-floor measurement to your height rather than either measurement alone, because that ratio captures how upright or stooped your natural setup is independent of overall size — two golfers of very different heights with the same ratio need the same lie angle. A low ratio pushes toward a more upright lie, a high ratio toward a flatter one.

Why does my grip size recommendation change based on swing speed?

Grip size normally follows your stated hand size directly, but the calculator has one exception: a medium hand size combined with a swing speed over 100 mph bumps the recommendation up to Standard to Midsize, since faster swings tend to benefit from more grip surface area to help control the club through impact, regardless of hand size alone.

How reliable are these fitting numbers compared to a professional fitting?

These are formula-based starting points from a standard fitting chart, not a substitute for a real fitting — actual lie angle in particular depends heavily on your posture and setup habits, which a launch monitor or impact-tape test can reveal but a wrist-to-floor ratio alone cannot. Use these numbers as a baseline to walk into a fitting with, not a final spec to order clubs against.

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