{
  "title": "Calculators",
  "human_url": "https://happytails.ai/en/calculators/",
  "agent_url": "https://happytails.ai/agents/en/calculators/",
  "language": "en",
  "markdown_url": "https://happytails.ai/en/calculators.md",
  "content": "Calculators\nFind the tool you need, then open it to get started.\nAll calculators\nAverage\nFind the mean, median, sum, minimum, and maximum of a list of numbers.\nBreak even\nFind how many units cover your fixed and variable costs.\nCircle\nCalculate a circle’s diameter, circumference, and area from its radius.\nCoin flip\nFlip a virtual coin and get Heads or Tails.\nDice roller\nRoll virtual dice and see each roll and the total.\nDiscount\nCalculate the saving and final price after a discount.\nFractions\nAdd, subtract, multiply, or divide two fractions.\nLcm\nFind the least common multiple of whole numbers.\nMargin\nCalculate profit and profit margin from cost and selling price.\nMarkup\nCalculate profit and markup from cost and selling price.\nPercentage\nFind a percentage of a number.\nPercentage change\nCalculate the percentage increase or decrease between two values.\nRandom number\nGenerate random whole numbers within an inclusive range.\nRatio\nSimplify a ratio of two whole numbers.\nRounding\nRound a number to a chosen number of decimal places.\nScientific notation\nWrite a number in scientific notation.\nSquare footage\nCalculate rectangular floor area in square feet and square meters.\nStandard deviation\nCalculate the mean and standard deviation of a set of numbers.\nTip\nCalculate a tip, the total bill, and each person’s share.\nTriangle\nCalculate a triangle’s perimeter and area from its three side lengths.\nVolume calculator\nCalculate the volume of a box, cylinder, or sphere.\nStart with the right quantities and assumptions\nAn everyday calculator is most useful when it explains its inputs, units and formula. Percentage changes, discounts and ratios describe different relationships even when they involve the same numbers.\nHow to choose your next step\nLabel the original value and the quantity being compared. Check whether a rate is entered as a percentage or a decimal, and round at the appropriate stage.\nCommon questions about calculators\nWhy do two percentage calculations give different results?\nThe denominator matters. Increasing a value by a percentage and then decreasing the new value by the same percentage will not generally return the original amount.\nShould intermediate values be rounded?\nRounding at every step can accumulate error. Keep enough precision during a calculation and round the final result according to the task.",
  "content_format": "text/plain",
  "visibility": "public",
  "links": [
    {
      "name": "Average Find the mean, median, sum, minimum, and maximum of a list of numbers.",
      "url": "https://happytails.ai/en/calculators/average/"
    },
    {
      "name": "Break even Find how many units cover your fixed and variable costs.",
      "url": "https://happytails.ai/en/calculators/break-even/"
    },
    {
      "name": "Circle Calculate a circle’s diameter, circumference, and area from its radius.",
      "url": "https://happytails.ai/en/calculators/circle/"
    },
    {
      "name": "Coin flip Flip a virtual coin and get Heads or Tails.",
      "url": "https://happytails.ai/en/calculators/coin-flip/"
    },
    {
      "name": "Dice roller Roll virtual dice and see each roll and the total.",
      "url": "https://happytails.ai/en/calculators/dice-roller/"
    },
    {
      "name": "Discount Calculate the saving and final price after a discount.",
      "url": "https://happytails.ai/en/calculators/discount/"
    },
    {
      "name": "Fractions Add, subtract, multiply, or divide two fractions.",
      "url": "https://happytails.ai/en/calculators/fractions/"
    },
    {
      "name": "Lcm Find the least common multiple of whole numbers.",
      "url": "https://happytails.ai/en/calculators/lcm/"
    },
    {
      "name": "Margin Calculate profit and profit margin from cost and selling price.",
      "url": "https://happytails.ai/en/calculators/margin/"
    },
    {
      "name": "Markup Calculate profit and markup from cost and selling price.",
      "url": "https://happytails.ai/en/calculators/markup/"
    },
    {
      "name": "Percentage Find a percentage of a number.",
      "url": "https://happytails.ai/en/calculators/percentage/"
    },
    {
      "name": "Percentage change Calculate the percentage increase or decrease between two values.",
      "url": "https://happytails.ai/en/calculators/percentage-change/"
    },
    {
      "name": "Random number Generate random whole numbers within an inclusive range.",
      "url": "https://happytails.ai/en/calculators/random-number/"
    },
    {
      "name": "Ratio Simplify a ratio of two whole numbers.",
      "url": "https://happytails.ai/en/calculators/ratio/"
    },
    {
      "name": "Rounding Round a number to a chosen number of decimal places.",
      "url": "https://happytails.ai/en/calculators/rounding/"
    },
    {
      "name": "Scientific notation Write a number in scientific notation.",
      "url": "https://happytails.ai/en/calculators/scientific-notation/"
    },
    {
      "name": "Square footage Calculate rectangular floor area in square feet and square meters.",
      "url": "https://happytails.ai/en/calculators/square-footage/"
    },
    {
      "name": "Standard deviation Calculate the mean and standard deviation of a set of numbers.",
      "url": "https://happytails.ai/en/calculators/standard-deviation/"
    },
    {
      "name": "Tip Calculate a tip, the total bill, and each person’s share.",
      "url": "https://happytails.ai/en/calculators/tip/"
    },
    {
      "name": "Triangle Calculate a triangle’s perimeter and area from its three side lengths.",
      "url": "https://happytails.ai/en/calculators/triangle/"
    },
    {
      "name": "Volume calculator Calculate the volume of a box, cylinder, or sphere.",
      "url": "https://happytails.ai/en/calculators/volume-calculator/"
    }
  ],
  "markdown": "# Calculators\n\n- Human page: https://happytails.ai/en/calculators/\n- Markdown: https://happytails.ai/en/calculators.md\n- Structured JSON: https://happytails.ai/agents/en/calculators/index.json\n- Visibility: public\n\n## Page guide\n\nFind the tool you need, then open it to get started.\n\n## All calculators\n\n- [Average](https://happytails.ai/en/calculators/average/): Find the mean, median, sum, minimum, and maximum of a list of numbers. ([Markdown](https://happytails.ai/en/calculators/average.md))\n\n- [Break even](https://happytails.ai/en/calculators/break-even/): Find how many units cover your fixed and variable costs. ([Markdown](https://happytails.ai/en/calculators/break-even.md))\n\n- [Circle](https://happytails.ai/en/calculators/circle/): Calculate a circle’s diameter, circumference, and area from its radius. ([Markdown](https://happytails.ai/en/calculators/circle.md))\n\n- [Coin flip](https://happytails.ai/en/calculators/coin-flip/): Flip a virtual coin and get Heads or Tails. ([Markdown](https://happytails.ai/en/calculators/coin-flip.md))\n\n- [Dice roller](https://happytails.ai/en/calculators/dice-roller/): Roll virtual dice and see each roll and the total. ([Markdown](https://happytails.ai/en/calculators/dice-roller.md))\n\n- [Discount](https://happytails.ai/en/calculators/discount/): Calculate the saving and final price after a discount. ([Markdown](https://happytails.ai/en/calculators/discount.md))\n\n- [Fractions](https://happytails.ai/en/calculators/fractions/): Add, subtract, multiply, or divide two fractions. ([Markdown](https://happytails.ai/en/calculators/fractions.md))\n\n- [Lcm](https://happytails.ai/en/calculators/lcm/): Find the least common multiple of whole numbers. ([Markdown](https://happytails.ai/en/calculators/lcm.md))\n\n- [Margin](https://happytails.ai/en/calculators/margin/): Calculate profit and profit margin from cost and selling price. ([Markdown](https://happytails.ai/en/calculators/margin.md))\n\n- [Markup](https://happytails.ai/en/calculators/markup/): Calculate profit and markup from cost and selling price. ([Markdown](https://happytails.ai/en/calculators/markup.md))\n\n- [Percentage](https://happytails.ai/en/calculators/percentage/): Find a percentage of a number. ([Markdown](https://happytails.ai/en/calculators/percentage.md))\n\n- [Percentage change](https://happytails.ai/en/calculators/percentage-change/): Calculate the percentage increase or decrease between two values. ([Markdown](https://happytails.ai/en/calculators/percentage-change.md))\n\n- [Random number](https://happytails.ai/en/calculators/random-number/): Generate random whole numbers within an inclusive range. ([Markdown](https://happytails.ai/en/calculators/random-number.md))\n\n- [Ratio](https://happytails.ai/en/calculators/ratio/): Simplify a ratio of two whole numbers. ([Markdown](https://happytails.ai/en/calculators/ratio.md))\n\n- [Rounding](https://happytails.ai/en/calculators/rounding/): Round a number to a chosen number of decimal places. ([Markdown](https://happytails.ai/en/calculators/rounding.md))\n\n- [Scientific notation](https://happytails.ai/en/calculators/scientific-notation/): Write a number in scientific notation. ([Markdown](https://happytails.ai/en/calculators/scientific-notation.md))\n\n- [Square footage](https://happytails.ai/en/calculators/square-footage/): Calculate rectangular floor area in square feet and square meters. ([Markdown](https://happytails.ai/en/calculators/square-footage.md))\n\n- [Standard deviation](https://happytails.ai/en/calculators/standard-deviation/): Calculate the mean and standard deviation of a set of numbers. ([Markdown](https://happytails.ai/en/calculators/standard-deviation.md))\n\n- [Tip](https://happytails.ai/en/calculators/tip/): Calculate a tip, the total bill, and each person’s share. ([Markdown](https://happytails.ai/en/calculators/tip.md))\n\n- [Triangle](https://happytails.ai/en/calculators/triangle/): Calculate a triangle’s perimeter and area from its three side lengths. ([Markdown](https://happytails.ai/en/calculators/triangle.md))\n\n- [Volume calculator](https://happytails.ai/en/calculators/volume-calculator/): Calculate the volume of a box, cylinder, or sphere. ([Markdown](https://happytails.ai/en/calculators/volume-calculator.md))\n\n## Start with the right quantities and assumptions\n\nAn everyday calculator is most useful when it explains its inputs, units and formula. Percentage changes, discounts and ratios describe different relationships even when they involve the same numbers.\n\n## How to choose your next step\n\nLabel the original value and the quantity being compared. Check whether a rate is entered as a percentage or a decimal, and round at the appropriate stage.\n\n## Common questions about calculators\n\n### Why do two percentage calculations give different results?\n\nThe denominator matters. Increasing a value by a percentage and then decreasing the new value by the same percentage will not generally return the original amount.\n\n### Should intermediate values be rounded?\n\nRounding at every step can accumulate error. Keep enough precision during a calculation and round the final result according to the task.\n"
}