{
  "id": "commission",
  "version": "f2928b66925c",
  "status": "published",
  "name": "Commission Calculator",
  "question": "How much commission will I earn?",
  "summary": "Computes a sales commission from the sale amount and the commission rate, or the rate or the sale amount from the other two.",
  "category": "finance",
  "subcategory": "tax-and-pay",
  "url": "https://www.acalculator.org/finance/commission-calculator",
  "markdown": "https://www.acalculator.org/finance/commission-calculator.md",
  "kind": "formulas",
  "method": "commission = sale amount × rate ÷ 100; rate = commission ÷ sale amount × 100; sale amount = commission ÷ rate × 100.",
  "assumptions": [
    "One flat rate applies to the whole sale amount. Tiered or split commissions are not included.",
    "Arithmetic is exact on the typed decimals; money shows to the cent, halves up (420.175 shows as $420.18).",
    "The commission is before tax and before any split with a broker or team."
  ],
  "inputs": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "sale": {
        "title": "Sale amount",
        "description": "The total sales the commission is paid on.",
        "type": "number",
        "x-unit": "USD",
        "exclusiveMinimum": 0,
        "maximum": 1000000000000
      },
      "rate": {
        "title": "Commission rate",
        "description": "The commission as a percent of the sale amount.",
        "type": "number",
        "x-unit": "percent",
        "minimum": 0,
        "maximum": 100
      },
      "commission": {
        "title": "Commission",
        "description": "The money earned: sale amount × rate ÷ 100.",
        "type": "number",
        "x-unit": "USD",
        "minimum": 0,
        "maximum": 1000000000000
      }
    }
  },
  "solve": {
    "fillAny": 2,
    "variables": [
      "sale",
      "rate",
      "commission"
    ],
    "inputsOnly": []
  },
  "outputs": {
    "sale": {
      "label": "Sale amount",
      "description": "The total sales the commission is paid on.",
      "format": "money"
    },
    "rate": {
      "label": "Commission rate",
      "description": "The commission as a percent of the sale amount.",
      "format": "percent"
    },
    "commission": {
      "label": "Commission",
      "description": "The money earned: sale amount × rate ÷ 100.",
      "format": "money"
    }
  },
  "defaultAnswer": {
    "inputs": {
      "sale": 12500,
      "rate": 8
    },
    "outputs": {
      "commission": 1000
    },
    "text": "At a commission rate of 8%, a sale of $12,500.00 earns $1,000.00."
  },
  "examples": [
    {
      "given": {
        "sale": 260000,
        "rate": 3
      },
      "expect": {
        "commission": 7800
      },
      "source": "OpenStax, Prealgebra 2e, section 6.3 \"Solve Sales Tax, Commission, and Discount Applications\" (https://openstax.org/books/prealgebra-2e/pages/6-3-solve-sales-tax-commission-and-discount-applications), Example 6.27: 0.03 × 260,000 = 7,800"
    },
    {
      "given": {
        "sale": 1450,
        "commission": 87
      },
      "expect": {
        "rate": 6
      },
      "source": "OpenStax, Prealgebra 2e, section 6.3 \"Solve Sales Tax, Commission, and Discount Applications\" (https://openstax.org/books/prealgebra-2e/pages/6-3-solve-sales-tax-commission-and-discount-applications), Example 6.28: 87 ÷ 1,450 = 6%"
    },
    {
      "given": {
        "commission": 7800,
        "rate": 3
      },
      "expect": {
        "sale": 260000
      },
      "source": "OpenStax, Prealgebra 2e, section 6.3 \"Solve Sales Tax, Commission, and Discount Applications\" (https://openstax.org/books/prealgebra-2e/pages/6-3-solve-sales-tax-commission-and-discount-applications), Example 6.27 worked back: 7,800 ÷ 0.03 = 260,000"
    },
    {
      "given": {
        "sale": 1200.5,
        "rate": 35
      },
      "expect": {
        "commission": 420.175
      },
      "source": "hand calculation in content.mdx: 1,200.50 × 35 ÷ 100 = 420.175, shown as $420.18 (halves up)"
    }
  ],
  "sources": [
    "OpenStax, Prealgebra 2e, section 6.3 \"Solve Sales Tax, Commission, and Discount Applications\", Examples 6.27 and 6.28. https://openstax.org/books/prealgebra-2e/pages/6-3-solve-sales-tax-commission-and-discount-applications",
    "Internal Revenue Service, Publication 15 (Circular E), Employer’s Tax Guide: supplemental wages include commissions. https://www.irs.gov/publications/p15"
  ],
  "related": [
    "salary",
    "discount",
    "margin"
  ],
  "changelog": [
    {
      "date": "2026-09-30",
      "note": "The answer reads “At a commission rate of 8%”, not “A 8% commission”."
    }
  ]
}