Contractor Hourly vs Daily Rate Calculator Australia 2025-26
Convert a contractor day rate to hourly rate, compare hourly rate to day rate, and estimate the salary equivalent after GST, super and tax.
Hourly vs Daily Rates for Australian Contractors
Contractors in Australia typically evaluate opportunities using either hourly or daily rates. The fastest way to check the numbers is to use a rate calculator with specific parameters including pay cycle, hours per day, work weeks, days off, GST and super settings, and tax options.
Day Rate to Hourly Rate Formula
To convert a day rate to an hourly equivalent, divide the day rate by daily billable hours. Clarify expected daily hours since stretching to 9–10 hours reduces the effective hourly rate significantly.
| Day Rate | Hours / Day | Hourly Equivalent |
|---|---|---|
| $600 | 7.5 | $80.00 |
| $750 | 7.5 | $100.00 |
| $900 | 8.0 | $112.50 |
Hourly Rate to Day Rate Formula
Multiply hourly rate by expected billable hours. Hourly contracts suit variable projects, while daily contracts work better for stable, predictable workloads.
| Hourly Rate | Hours / Day | Day Rate |
|---|---|---|
| $75 | 7.5 | $562.50 |
| $100 | 7.5 | $750.00 |
| $120 | 8.0 | $960.00 |
Estimating Annual Salary Equivalent
The basic formula: day rate × billable days per week × billable weeks per year. Example: $750 per day × 5 days × 46 billable weeks = $172,500 gross contract income. This differs from employee salary because contractors must budget for unpaid leave, sick days, public holidays, professional insurance, accounting, equipment, training, and administration time.
GST, Super, and Tax Considerations
Rates may be quoted plus or including GST. Contractors registered for GST must separate it from personal earnings for BAS remittance. Employees receive superannuation on ordinary earnings — contractors must incorporate retirement savings into their rates. Contractors lacking PAYG withholding should reserve funds for income tax, Medicare levy, and HELP/HECS repayments from each payment.
Quick Comparison Example
Two competing offers side-by-side:
| Offer | Calculation | Total |
|---|---|---|
| Hourly | $95/hr × 7.5 hrs × 5 days × 46 weeks | $163,875 |
| Daily | $750/day × 5 days × 46 weeks | $172,500 |
Pre-Negotiation Checklist
Before accepting a rate, verify:
- Whether the quote is hourly or daily
- Expected billable hours per day
- GST treatment (plus or inclusive)
- Super arrangement (included, separate, or self-funded)
- Weeks and days to exclude from billable income
- Tax set-aside needs for income tax, Medicare levy, and study-loan repayments
Always compare offers on the same basis — strip GST, align hours per day, and use the same billable weeks before making a decision.
Know what you should charge?
Use our free calculator to find your exact charge-out rate in 60 seconds.