2022 estimated tax calculator for individuals filing in New York City. Looking for another government body? Put together the JSON and drop a link in a comment.

estimatedtaxes.js

const gov = {
  federal: [
    {
      threshold: 0,
      rate: .10,
    },
    {
      threshold: 9950,
      rate: .12,
    },
    {
      threshold: 40525,
      rate: .22
    },
    {
      threshold: 86375,
      rate: .24
    }, 
    {
      threshold: 164925,
      rate: .32
    },
    {
      threshold: 209425,
      rate: .35,
    },
    {
      threshold: 523600,
      rate: .37
    }
  ],
  nys: [
    {
      threshold: 0,
      rate: .04
    }, 
    {
      threshold: 8500,
      rate: .045
    },
    {
      threshold: 11700,
      rate: .0525
    },
    {
      threshold: 13900,
      rate: .059
    },
    {
      threshold: 21400,
      rate: .0597
    },
    {
      threshold: 80650,
      rate: .0633
    },
    {
      threshold: 215400,
      rate: .0685
    },
    {
      threshold: 1077550,
      rate: .0965
    },
    {
      threshold: 5000000,
      rate: .1030
    },
    {
      threshold: 25000000,
      rate: .1090
    }
  ],
  nyc: [
    {
      threshold: 0,
      rate: .03078
    },
    {
      threshold: 21600,
      rate: .03762
    },
    {
      threshold: 45000,
      rate: .03819
    },
    {
      threshold: 90000,
      rate: .03876
    }
  ]
}

function TAXES(total, body = 'federal') {
  let income = total;
  const brackets = gov[body].reverse();

  const values = brackets.map(bracket => {
    if (income > bracket.threshold) {
      const inBracketIncome = income - bracket.threshold;
      income = income - inBracketIncome;
      return inBracketIncome * bracket.rate;
    } else {
      return 0;
    }
  })

  return values.reduce((curr, a) => curr + a, 0);
}