Your Calculated Hourly Rate
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.calculator-wrapper {
font-family: sans-serif;
max-width: 700px;
margin: 20px auto;
border: 1px solid #ddd;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.calculator-form {
padding: 30px;
background-color: #f9f9f9;
}
.calculator-result {
padding: 30px;
background-color: #eef7ff;
text-align: center;
}
.form-group {
margin-bottom: 20px;
text-align: left;
}
.form-group label {
display: block;
margin-bottom: 8px;
font-weight: bold;
color: #333;
}
.form-group input[type="number"] {
width: calc(100% – 20px);
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 1em;
}
.form-group small {
display: block;
margin-top: 5px;
color: #666;
font-size: 0.9em;
}
button {
background-color: #4CAF50;
color: white;
padding: 12px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1.1em;
transition: background-color 0.3s ease;
}
button:hover {
background-color: #45a049;
}
#result {
font-size: 2em;
font-weight: bold;
color: #007bff;
margin-top: 15px;
margin-bottom: 10px;
}
#result-explanation {
margin-top: 15px;
color: #555;
font-size: 0.95em;
line-height: 1.5;
}
function calculateHourlyRate() {
var annualSalaryTarget = parseFloat(document.getElementById("annualSalaryTarget").value);
var paidDaysPerYear = parseFloat(document.getElementById("paidDaysPerYear").value);
var hoursPerDay = parseFloat(document.getElementById("hoursPerDay").value);
var businessExpensesPercent = parseFloat(document.getElementById("businessExpensesPercent").value);
var resultElement = document.getElementById("result");
var resultExplanationElement = document.getElementById("result-explanation");
resultExplanationElement.style.display = 'none'; // Hide explanation initially
if (isNaN(annualSalaryTarget) || isNaN(paidDaysPerYear) || isNaN(hoursPerDay) || isNaN(businessExpensesPercent)) {
resultElement.innerText = "Please enter valid numbers.";
return;
}
if (annualSalaryTarget <= 0 || paidDaysPerYear <= 0 || hoursPerDay <= 0 || businessExpensesPercent < 0) {
resultElement.innerText = "Inputs must be positive (except expenses percentage).";
return;
}
var totalHoursTarget = paidDaysPerYear * hoursPerDay;
var annualExpensesAmount = annualSalaryTarget * (businessExpensesPercent / 100);
var totalIncomeNeeded = annualSalaryTarget + annualExpensesAmount;
var hourlyRate = totalIncomeNeeded / totalHoursTarget;
if (isNaN(hourlyRate) || hourlyRate === Infinity) {
resultElement.innerText = "Calculation error.";
return;
}
resultElement.innerText = "$" + hourlyRate.toFixed(2);
var explanation = "To achieve a desired annual income of $" + annualSalaryTarget.toFixed(2) +
", and covering $" + annualExpensesAmount.toFixed(2) + " in estimated annual business expenses (" +
businessExpensesPercent + "%), you need to earn a total of $" + totalIncomeNeeded.toFixed(2) +
" per year. ";
explanation += "Working " + hoursPerDay + " hours per day for " + paidDaysPerYear + " days a year totals " + totalHoursTarget + " billable hours annually. ";
explanation += "Therefore, your hourly rate should be $" + hourlyRate.toFixed(2) + ".";
resultExplanationElement.innerText = explanation;
resultExplanationElement.style.display = 'block';
}