Free calculator
Hourly rate calculator
Enter your hours and hourly rate, choose whether you charge GST, and get the invoice total. Decimal hours: 1.5 is an hour and a half.
1.5 = 1 h 30 min
Your invoice
$1,221.88
- 12.5 hours × $85.00
- $1,062.50
- GST @ 15%
- $159.38
- Invoice total
- $1,221.88
Billing hours
- Show hours × rate on each line, not only the total.
- Name the dates or the period the hours cover.
- Add 15% GST once you’re registered for GST; until then, charge none.
Last updated . This calculator is a guide, not tax advice.
Frequently asked questions
How do I bill 45 minutes?
Enter 0.75 hours. Minutes ÷ 60 gives the decimal: 30 minutes is 0.5, 20 minutes is 0.333.
Should my hourly rate include GST?
For business clients, rates are usually quoted excluding GST, with the GST added on the tax invoice. Prices to consumers usually include GST.
What if I’m not registered for GST?
Choose “No GST”: your invoice is titled “Invoice” and shows no GST at all.