{
  "slug": "golf-handicap",
  "title": "Golf Handicap Index Calculator",
  "heading": "Golf Handicap Calculator",
  "category": "other",
  "url": "https://www.revenuelab.fyi/toolbox/golf-handicap",
  "summary": "Score differential and handicap index from your rounds.",
  "description": "Compute a score differential from an adjusted gross score, course rating, and slope, then see the resulting handicap index and your course handicap at any slope.",
  "formula": "Differential = (113 ÷ slope) × (adjusted score − course rating). Index = average of best differentials × 0.96.",
  "dateModified": "2026-09-30",
  "run_url": "https://www.revenuelab.fyi/api/public/calc?tool=golf-handicap",
  "inputs": [
    {
      "id": "score",
      "label": "Adjusted gross score",
      "kind": "number",
      "hint": null,
      "default": 92,
      "unit": null,
      "min": 40,
      "max": null
    },
    {
      "id": "rating",
      "label": "Course rating",
      "kind": "number",
      "hint": null,
      "default": 71.4,
      "unit": null,
      "min": 55,
      "max": null
    },
    {
      "id": "slope",
      "label": "Slope rating",
      "kind": "number",
      "hint": null,
      "default": 128,
      "unit": null,
      "min": 55,
      "max": 155
    },
    {
      "id": "playSlope",
      "label": "Slope of course you're playing",
      "kind": "number",
      "hint": null,
      "default": 132,
      "unit": null,
      "min": 55,
      "max": 155
    }
  ],
  "outputs": [
    {
      "id": "diff",
      "label": "Score differential",
      "format": "decimal",
      "hint": null,
      "primary": true
    },
    {
      "id": "index",
      "label": "Handicap index (this round)",
      "format": "decimal",
      "hint": null,
      "primary": false
    },
    {
      "id": "courseHandicap",
      "label": "Course handicap",
      "format": "decimal",
      "hint": null,
      "primary": false
    },
    {
      "id": "netScore",
      "label": "Net score",
      "format": "decimal",
      "hint": null,
      "primary": false
    }
  ],
  "worked_example": {
    "inputs": [
      "Adjusted gross score: 92",
      "Course rating: 71.4",
      "Slope rating: 128",
      "Slope of course you're playing: 132"
    ],
    "outputs": [
      "Score differential: 18.2",
      "Handicap index (this round): 17.5",
      "Course handicap: 20",
      "Net score: 71.6"
    ]
  },
  "how_to": {
    "title": "How to use this",
    "steps": [
      "Enter adjusted gross score.",
      "Enter course rating.",
      "Enter slope rating.",
      "Enter slope of course you're playing.",
      "Read your score differential on the right — it updates as you type.",
      "Hit Share to keep the scenario or send it to someone."
    ]
  },
  "scenarios": [
    {
      "name": "Conservative",
      "description": "Lower-end numbers — what if things land soft?",
      "values": {
        "score": 55,
        "rating": 55,
        "slope": 77,
        "playSlope": 79
      }
    },
    {
      "name": "Typical",
      "description": "Defaults — the most common real-world setup.",
      "values": {
        "score": 92,
        "rating": 71.4,
        "slope": 128,
        "playSlope": 132
      }
    },
    {
      "name": "Ambitious",
      "description": "Higher-end numbers — what if things really pop?",
      "values": {
        "score": 147,
        "rating": 114.24000000000001,
        "slope": 155,
        "playSlope": 155
      }
    }
  ],
  "limitations": [
    "Estimates assume standard, average conditions — local rules, pricing, and materials vary.",
    "Results are rounded for readability; add a buffer before ordering, booking, or committing.",
    "Double-check anything with a real cost attached against a local quote."
  ],
  "faq": [
    {
      "q": "Is one round enough?",
      "a": "No. An official index averages the best 8 of your last 20 differentials. A single round gives you the differential to feed that average."
    },
    {
      "q": "What is slope 113?",
      "a": "It's the standard baseline for a course of average difficulty, which is why it appears in the formula."
    }
  ],
  "related": [],
  "license": "CC-BY-4.0",
  "citation": "RevenueLab — Golf Handicap Index Calculator (https://www.revenuelab.fyi/toolbox/golf-handicap)"
}