{
  "slug": "recipe-scaler",
  "title": "Recipe Scaling Calculator",
  "heading": "Recipe Scaling Calculator",
  "category": "other",
  "url": "https://www.revenuelab.fyi/toolbox/recipe-scaler",
  "summary": "Scale any ingredient up or down for a different number of servings.",
  "description": "Recipes are written for whoever wrote them, not for your table. Enter the original servings, the servings you actually need, and the amount of any single ingredient to get the scaled quantity plus the multiplier you can apply to everything else.",
  "formula": "Scaled amount = original amount × (target servings ÷ original servings).",
  "dateModified": "2026-09-30",
  "run_url": "https://www.revenuelab.fyi/api/public/calc?tool=recipe-scaler",
  "inputs": [
    {
      "id": "orig",
      "label": "Original servings",
      "kind": "number",
      "hint": null,
      "default": 4,
      "unit": null,
      "min": 1,
      "max": null
    },
    {
      "id": "target",
      "label": "Servings you need",
      "kind": "number",
      "hint": null,
      "default": 10,
      "unit": null,
      "min": 1,
      "max": null
    },
    {
      "id": "amount",
      "label": "Ingredient amount in the recipe",
      "kind": "number",
      "hint": null,
      "default": 2.5,
      "unit": null,
      "min": 0,
      "max": null
    }
  ],
  "outputs": [
    {
      "id": "scaled",
      "label": "Scaled ingredient amount",
      "format": "decimal",
      "hint": null,
      "primary": true
    },
    {
      "id": "factor",
      "label": "Multiply everything by",
      "format": "decimal",
      "hint": null,
      "primary": false
    },
    {
      "id": "perServing",
      "label": "Amount per serving",
      "format": "decimal",
      "hint": null,
      "primary": false
    }
  ],
  "worked_example": {
    "inputs": [
      "Original servings: 4",
      "Servings you need: 10",
      "Ingredient amount in the recipe: 2.5"
    ],
    "outputs": [
      "Scaled ingredient amount: 6.25",
      "Multiply everything by: 2.5",
      "Amount per serving: 0.625"
    ]
  },
  "how_to": {
    "title": "How to use this",
    "steps": [
      "Enter original servings.",
      "Enter servings you need.",
      "Enter ingredient amount in the recipe.",
      "Read your scaled ingredient amount 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": {
        "orig": 2,
        "target": 6,
        "amount": 1.5
      }
    },
    {
      "name": "Typical",
      "description": "Defaults — the most common real-world setup.",
      "values": {
        "orig": 4,
        "target": 10,
        "amount": 2.5
      }
    },
    {
      "name": "Ambitious",
      "description": "Higher-end numbers — what if things really pop?",
      "values": {
        "orig": 6,
        "target": 16,
        "amount": 4
      }
    }
  ],
  "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": "Do cook times scale too?",
      "a": "No. Volume scales linearly, heat transfer does not. Doubling a casserole usually adds 20–40% to the bake time, not 100%."
    },
    {
      "q": "Does this work for baking?",
      "a": "For most ingredients yes, but leaveners and salt often scale slightly under-proportionally at large multiples. Scale them, then taste and adjust."
    }
  ],
  "related": [],
  "license": "CC-BY-4.0",
  "citation": "RevenueLab — Recipe Scaling Calculator (https://www.revenuelab.fyi/toolbox/recipe-scaler)"
}