function calculatePay() {
// Get input values
var hours = document.getElementById('workHours').value;
var minutes = document.getElementById('workMinutes').value;
var rate = document.getElementById('hourlyRate').value;
var otHours = document.getElementById('overtimeHours').value;
var otMult = document.getElementById('overtimeMultiplier').value;
// Parse values, defaulting to 0 if empty/invalid
var h = parseFloat(hours);
var m = parseFloat(minutes);
var r = parseFloat(rate);
var oh = parseFloat(otHours);
var om = parseFloat(otMult);
if (isNaN(h)) h = 0;
if (isNaN(m)) m = 0;
if (isNaN(r)) r = 0;
if (isNaN(oh)) oh = 0;
if (isNaN(om)) om = 1.5;
// Logic: Convert regular time to decimal hours
var decimalMinutes = m / 60;
var totalRegularDecimalHours = h + decimalMinutes;
// Logic: Calculate Regular Pay
var regularPay = totalRegularDecimalHours * r;
// Logic: Calculate Overtime Pay
// Overtime rate = Base Rate * Multiplier
var overtimeRate = r * om;
var overtimePay = oh * overtimeRate;
// Logic: Total Pay
var totalPay = regularPay + overtimePay;
// Update UI
document.getElementById('resDecimalTime').innerHTML = totalRegularDecimalHours.toFixed(2) + " hrs";
document.getElementById('resRegularPay').innerHTML = "$" + regularPay.toFixed(2);
document.getElementById('resOvertimePay').innerHTML = "$" + overtimePay.toFixed(2);
document.getElementById('resTotalPay').innerHTML = "$" + totalPay.toFixed(2);
// Show result area
document.getElementById('result-area').style.display = 'block';
}
How to Calculate Your Hourly Pay
Whether you are a freelancer invoicing a client, a contractor tracking billable hours, or an employee double-checking your paycheck, accurately calculating your earnings based on time worked and hourly rate is essential. This calculator helps simplify the process by handling the conversion of minutes into decimal hours and factoring in overtime rates automatically.
The Core Formula
The basic calculation for hourly pay is straightforward: Hours Worked × Hourly Rate = Total Pay. However, the complexity arises when you work partial hours (minutes) or accrue overtime.
Converting Minutes to Decimals
Payroll systems and calculators typically use "decimal hours" rather than the standard clock format (Hours:Minutes). To calculate pay manually, you must convert the minutes into a decimal fraction of an hour.
To do this, divide the number of minutes by 60:
15 minutes = 15 ÷ 60 = 0.25 hours
30 minutes = 30 ÷ 60 = 0.50 hours
45 minutes = 45 ÷ 60 = 0.75 hours
10 minutes = 10 ÷ 60 = 0.17 hours (approx)
Calculation Example
Imagine you worked 8 hours and 30 minutes at a rate of $25.00 per hour.
Convert minutes: 30 ÷ 60 = 0.5
Add to hours: 8 + 0.5 = 8.5 decimal hours
Multiply by rate: 8.5 × $25.00 = $212.50
Understanding Overtime Pay
In many regions, labor laws dictate that hours worked over a specific threshold (often 40 hours per week) must be paid at a higher rate. This is commonly referred to as "time and a half" (1.5x your base rate), though "double time" (2.0x) may apply on holidays or Sundays depending on your contract.
To calculate overtime pay:
Determine your Overtime Rate: Base Rate × Multiplier (e.g., $20 × 1.5 = $30/hr).
Multiply Overtime Rate by Overtime Hours Worked.
Add this to your Regular Pay for the total gross amount.
Why Accurate Time Tracking Matters
For freelancers, rounding errors can lead to lost income over time. If you consistently round down 10 minutes of work every day, you could lose nearly an hour of billable time per week. Using a precise calculator ensures you are compensated for every minute you work.
Frequently Asked Questions
How do I calculate a salary into an hourly rate?
To convert an annual salary to an hourly rate, divide the salary by the number of working hours in a year. A standard full-time year (40 hours/week for 52 weeks) is 2,080 hours. For example, $52,000 ÷ 2,080 = $25/hour.
What is time and a half?
Time and a half is a premium pay rate for overtime work. It is calculated as 1.5 times the regular hourly wage.