golf-club-length 1.0.0

Golf club length calculator based on height and wrist-to-floor measurement. Full length charts at https://golflaunchlab.com/guides/golf-club-length-chart

golf-club-length

Golf club length calculator that recommends custom club length adjustments from standard based on a golfer's height and wrist-to-floor measurement. Covers all 14 major club types from driver to putter.

For complete club length reference data, fitting guides, and interactive charts, visit Golf Club Length Chart — GolfLaunchLab.

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Installation

Python

pip install golf-club-length

JavaScript / Node.js

npm install golf-club-length

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Usage

Python

from golf_club_length import recommend_length, get_all_recommendations, get_standard_lengths

# Get standard lengths for all clubs
standards = get_standard_lengths()
print(standards['driver'])   # 45.5
print(standards['7-iron'])   # 37.0

# Recommend length for a single club (wrist-to-floor is the primary method)
result = recommend_length(72, wrist_to_floor_inches=35, club='driver')
print(result)
# {
#   'standard_length': 45.5,
#   'recommended_length': 45.5,
#   'adjustment': 0.0,
#   'fitting_note': 'Standard length recommended based on wrist-to-floor measurement.'
# }

# Tall golfer (6'4", wrist-to-floor 42")
result = recommend_length(76, wrist_to_floor_inches=42, club='7-iron')
print(result)
# {
#   'standard_length': 37.0,
#   'recommended_length': 38.0,
#   'adjustment': 1.0,
#   'fitting_note': '1" longer than standard recommended based on wrist-to-floor measurement. Confirm with a certified club fitter.'
# }

# Height-only fallback (no wrist-to-floor)
result = recommend_length(68, club='driver')
print(result['adjustment'])    # 0.0 (standard range)

# Get recommendations for every club at once
bag = get_all_recommendations(76, wrist_to_floor_inches=42)
for club, rec in bag.items():
    print(f"{club:10s}: {rec['recommended_length']:.2f}\" (adjustment: {rec['adjustment']:+.2f}\")")

Example output for a tall golfer (76", WTF 42"):

driver    : 46.50" (adjustment: +1.00")
3-wood    : 44.00" (adjustment: +1.00")
5-wood    : 43.00" (adjustment: +1.00")
4-hybrid  : 41.00" (adjustment: +1.00")
5-iron    : 39.00" (adjustment: +1.00")
6-iron    : 38.50" (adjustment: +1.00")
7-iron    : 38.00" (adjustment: +1.00")
8-iron    : 37.50" (adjustment: +1.00")
9-iron    : 37.00" (adjustment: +1.00")
pw        : 36.50" (adjustment: +1.00")
gw        : 36.25" (adjustment: +1.00")
sw        : 36.00" (adjustment: +1.00")
lw        : 36.00" (adjustment: +1.00")
putter    : 35.00" (adjustment: +1.00")

JavaScript

const { getStandardLengths, recommendLength, getAllRecommendations } = require('golf-club-length');

// Get standard lengths for all clubs
const standards = getStandardLengths();
console.log(standards.driver);     // 45.5
console.log(standards['7-iron']);  // 37.0

// Recommend length for a single club (wrist-to-floor is the primary method)
const result = recommendLength(72, 35, 'driver');
console.log(result);
// {
//   standardLength: 45.5,
//   recommendedLength: 45.5,
//   adjustment: 0,
//   fittingNote: 'Standard length recommended based on wrist-to-floor measurement.'
// }

// Tall golfer (6'4", wrist-to-floor 42")
const tall = recommendLength(76, 42, '7-iron');
console.log(tall.adjustment);          // 1
console.log(tall.recommendedLength);   // 38

// Height-only fallback (pass null for wrist-to-floor)
const byHeight = recommendLength(68, null, 'driver');
console.log(byHeight.adjustment);   // 0

// Get recommendations for every club at once
const bag = getAllRecommendations(76, 42);
for (const [club, rec] of Object.entries(bag)) {
  console.log(`${club}: ${rec.recommendedLength}" (${rec.adjustment >= 0 ? '+' : ''}${rec.adjustment}")`);
}

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Supported Clubs

Club	Key
Driver	driver
3-Wood	3-wood
5-Wood	5-wood
4-Hybrid	4-hybrid
5-Iron	5-iron
6-Iron	6-iron
7-Iron	7-iron
8-Iron	8-iron
9-Iron	9-iron
Pitching Wedge	pw
Gap Wedge	gw
Sand Wedge	sw
Lob Wedge	lw
Putter	putter

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Fitting Method

Wrist-to-Floor (Primary)

The wrist-to-floor measurement is the most accurate fitting method. Measure from the wrist crease (where the hand meets the wrist) straight down to the floor while standing upright in golf shoes.

Wrist-to-Floor	Adjustment
27" – 29"	−1.0"
29" – 32"	−0.5"
32" – 34"	−0.25"
34" – 37"	Standard
37" – 39"	+0.25"
39" – 41"	+0.5"
41" – 44"	+1.0"

Height (Fallback)

When wrist-to-floor is not available, height is used as a proxy:

Height	Adjustment
Under 5'0"	−1.0"
5'0" – 5'3"	−0.5"
5'3" – 5'5"	−0.25"
5'5" – 5'10"	Standard
5'10" – 6'0"	+0.25"
6'0" – 6'2"	+0.5"
Over 6'2"	+1.0"

Adjustments apply uniformly across all clubs. For precision fitting, always use wrist-to-floor and confirm results with a certified club fitter.

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Related Resources

• Golf Club Length Chart — Complete Reference
• Golf Shaft Flex Chart
• Golf Club Distance Chart
• Best Golf Launch Monitors — Reviews & Rankings

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License

MIT License — copyright 2026 GolfLaunchLab. See LICENSE for details.