{
  "slug": "seeding-rate",
  "title": "Seeding Rate Calculator",
  "heading": "Seeding Rate Calculator",
  "category": "other",
  "url": "https://www.revenuelab.fyi/toolbox/seeding-rate",
  "summary": "Seeds per acre, pounds of seed, and bags to order.",
  "description": "Convert a target plant population into a seeding rate that accounts for germination and expected stand loss, then into pounds and bags for the whole field.",
  "formula": "Seeding rate = target population ÷ (germination × survival).",
  "dateModified": "2026-09-30",
  "run_url": "https://www.revenuelab.fyi/api/public/calc?tool=seeding-rate",
  "inputs": [
    {
      "id": "target",
      "label": "Target plant population",
      "kind": "number",
      "hint": null,
      "default": 34000,
      "unit": "plants/acre",
      "min": 100,
      "max": null
    },
    {
      "id": "germ",
      "label": "Germination",
      "kind": "number",
      "hint": null,
      "default": 95,
      "unit": "%",
      "min": 30,
      "max": 100
    },
    {
      "id": "survival",
      "label": "Expected field survival",
      "kind": "number",
      "hint": null,
      "default": 92,
      "unit": "%",
      "min": 30,
      "max": 100
    },
    {
      "id": "seedsPerLb",
      "label": "Seeds per pound",
      "kind": "number",
      "hint": null,
      "default": 1600,
      "unit": null,
      "min": 1,
      "max": null
    },
    {
      "id": "acres",
      "label": "Acres",
      "kind": "number",
      "hint": null,
      "default": 160,
      "unit": null,
      "min": 0.1,
      "max": null
    },
    {
      "id": "bagLb",
      "label": "Pounds per bag",
      "kind": "number",
      "hint": null,
      "default": 50,
      "unit": null,
      "min": 1,
      "max": null
    }
  ],
  "outputs": [
    {
      "id": "rate",
      "label": "Seeding rate (seeds/acre)",
      "format": "number",
      "hint": null,
      "primary": true
    },
    {
      "id": "lbsAcre",
      "label": "Pounds per acre",
      "format": "decimal",
      "hint": null,
      "primary": false
    },
    {
      "id": "totalLbs",
      "label": "Total seed needed (lb)",
      "format": "decimal",
      "hint": null,
      "primary": false
    },
    {
      "id": "bags",
      "label": "Bags to order",
      "format": "number",
      "hint": null,
      "primary": false
    },
    {
      "id": "totalSeeds",
      "label": "Total seeds",
      "format": "number",
      "hint": null,
      "primary": false
    }
  ],
  "worked_example": {
    "inputs": [
      "Target plant population: 34000 plants/acre",
      "Germination: 95 %",
      "Expected field survival: 92 %",
      "Seeds per pound: 1600",
      "Acres: 160",
      "Pounds per bag: 50"
    ],
    "outputs": [
      "Seeding rate (seeds/acre): 38,902",
      "Pounds per acre: 24.31",
      "Total seed needed (lb): 3,890",
      "Bags to order: 78",
      "Total seeds: 6,224,256"
    ]
  },
  "how_to": {
    "title": "How to use this",
    "steps": [
      "Enter target plant population (plants/acre).",
      "Enter germination (%).",
      "Enter expected field survival (%).",
      "Enter seeds per pound.",
      "Enter acres.",
      "Enter pounds per bag.",
      "Read your seeding rate (seeds/acre) 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": {
        "target": 20500,
        "germ": 57,
        "survival": 55,
        "seedsPerLb": 960,
        "acres": 96,
        "bagLb": 30
      }
    },
    {
      "name": "Typical",
      "description": "Defaults — the most common real-world setup.",
      "values": {
        "target": 34000,
        "germ": 95,
        "survival": 92,
        "seedsPerLb": 1600,
        "acres": 160,
        "bagLb": 50
      }
    },
    {
      "name": "Ambitious",
      "description": "Higher-end numbers — what if things really pop?",
      "values": {
        "target": 54500,
        "germ": 100,
        "survival": 100,
        "seedsPerLb": 2560,
        "acres": 256,
        "bagLb": 80
      }
    }
  ],
  "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": "Where do I find seeds per pound?",
      "a": "On the seed tag, often listed as seed count or thousand-kernel weight. It varies by lot, not just by variety."
    },
    {
      "q": "What survival rate is realistic?",
      "a": "90–95% in good seedbed conditions, lower with early planting into cold soil or heavy residue."
    }
  ],
  "related": [],
  "license": "CC-BY-4.0",
  "citation": "RevenueLab — Seeding Rate Calculator (https://www.revenuelab.fyi/toolbox/seeding-rate)"
}