{
  "id": "percentage-to-decimal",
  "version": "a66cc0630b0f",
  "status": "published",
  "name": "Percent to Decimal Calculator",
  "question": "How to change percent to decimal?",
  "summary": "Turns a percent into a decimal by dividing by 100, exactly as typed: 62.5% is 0.625 and 120% is 1.2.",
  "category": "convert",
  "subcategory": "number-bases",
  "url": "https://www.acalculator.org/convert/percentage-to-decimal",
  "markdown": "https://www.acalculator.org/convert/percentage-to-decimal.md",
  "kind": "function",
  "method": "decimal = percent ÷ 100: move the decimal point two places to the left and drop the % sign.",
  "assumptions": [
    "The percent is taken exactly as typed, so the decimal shows every digit with no rounding.",
    "A percent above 100% gives a decimal above 1; a negative percent gives a negative decimal."
  ],
  "inputs": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "p": {
        "title": "Percent",
        "description": "The percent to write as a decimal, for example 62.5%.",
        "type": "number",
        "x-unit": "percent",
        "minimum": -100000000000000,
        "maximum": 100000000000000
      }
    }
  },
  "outputs": {
    "decimal": {
      "label": "Decimal",
      "description": "The percent ÷ 100, with every digit.",
      "format": "text"
    },
    "work": {
      "label": "How",
      "description": "The percent divided by 100.",
      "format": "text"
    }
  },
  "defaultAnswer": {
    "inputs": {
      "p": 62.5
    },
    "outputs": {
      "decimal": "0.625",
      "work": "62.5% ÷ 100 = 0.625"
    },
    "text": "62.5% ÷ 100 = 0.625."
  },
  "examples": [
    {
      "given": {
        "p": 62.5
      },
      "expect": {
        "decimal": "0.625",
        "work": "62.5% ÷ 100 = 0.625"
      },
      "source": "OpenStax, Prealgebra 2e, §6.1 Understand Percent (convert a percent to a decimal: divide by 100, move the decimal point two places left), https://openstax.org/books/prealgebra-2e/pages/6-1-understand-percent (retrieved 2026-10-05); hand calculation in content.mdx"
    },
    {
      "given": {
        "p": 5
      },
      "expect": {
        "decimal": "0.05"
      },
      "source": "OpenStax, Prealgebra 2e, §6.1 Understand Percent (convert a percent to a decimal: divide by 100, move the decimal point two places left), https://openstax.org/books/prealgebra-2e/pages/6-1-understand-percent (retrieved 2026-10-05); hand calculation in content.mdx: 5 ÷ 100 = 0.05"
    },
    {
      "given": {
        "p": 120
      },
      "expect": {
        "decimal": "1.2"
      },
      "source": "OpenStax, Prealgebra 2e, §6.1 Understand Percent (convert a percent to a decimal: divide by 100, move the decimal point two places left), https://openstax.org/books/prealgebra-2e/pages/6-1-understand-percent (retrieved 2026-10-05); hand calculation in content.mdx: 120 ÷ 100 = 1.2"
    },
    {
      "given": {
        "p": 0.35
      },
      "expect": {
        "decimal": "0.0035"
      },
      "source": "OpenStax, Prealgebra 2e, §6.1 Understand Percent (convert a percent to a decimal: divide by 100, move the decimal point two places left), https://openstax.org/books/prealgebra-2e/pages/6-1-understand-percent (retrieved 2026-10-05); hand calculation in content.mdx: 0.35 ÷ 100 = 0.0035"
    },
    {
      "given": {
        "p": -7.25
      },
      "expect": {
        "decimal": "−0.0725"
      },
      "source": "OpenStax, Prealgebra 2e, §6.1 Understand Percent (convert a percent to a decimal: divide by 100, move the decimal point two places left), https://openstax.org/books/prealgebra-2e/pages/6-1-understand-percent (retrieved 2026-10-05); hand calculation in content.mdx: −7.25 ÷ 100 = −0.0725"
    }
  ],
  "sources": [
    "OpenStax, Prealgebra 2e, §6.1 Understand Percent: to convert a percent to a decimal, write it as a ratio over 100 and divide (move the decimal point two places to the left). CC BY 4.0. Retrieved 2026-10-05. https://openstax.org/books/prealgebra-2e/pages/6-1-understand-percent"
  ],
  "related": [
    "decimal-to-percentage",
    "fraction-to-percentage",
    "percentage",
    "decimal-to-fraction"
  ],
  "changelog": []
}