Calculate Total Amount with Work hours by hourly rate.

work-hours-calculator.js

function convertDurationtoSeconds(duration) {
  const [hours, minutes, seconds] = duration.split(":")
  return Number(hours) * 60 * 60 + Number(minutes) * 60 + Number(seconds)
}

function secondsToHms(d) {
  d = Number(d)
  var h = Math.floor(d / 3600)
  var m = Math.floor((d % 3600) / 60)
  var s = Math.floor((d % 3600) % 60)

  var hDisplay = h > 0 ? h + (h == 1 ? " hour, " : " hours, ") : ""
  var mDisplay = m > 0 ? m + (m == 1 ? " minute, " : " minutes, ") : ""
  var sDisplay = s > 0 ? s + (s == 1 ? " second" : " seconds") : ""
  return hDisplay + mDisplay + sDisplay
}

// your worked hours
const times = [
  "2:14:42",
  "3:18:16",
  "5:02:58",
  "5:34:54",
  "6:55:03",
  "6:36:40",
  "11:56:32",
  "8:41:35",  
  "9:34:46",
  "6:34:24",
  "0:30:00",
  "9:16:16",
  "0:28:43",
  "0:13:00",
  "1:11:37",
  "0:51:25",
  "0:25:41",
  "0:04:30",
  "1:04:48"
]

const totalSeconds = times.reduce((acc, next) => {
  return (acc += convertDurationtoSeconds(next))
}, 0)

const totalReadableHours = secondsToHms(totalSeconds)
const totalHours = totalSeconds / 3600
const hourlyWorkRate = 23   
const totalMoney = (totalHours * hourlyWorkRate).toFixed(2)

console.log({
  "How many total hours you worked": totalReadableHours,
  "Rate USD/hour": hourlyWorkRate,
  "Total Hours": totalHours.toFixed(2),
  "TOTAL:": `${totalHours.toFixed(2)} Hrs * ${hourlyWorkRate} USD/hr = ${totalMoney} USD`,
})