Project Fee Calculator
Compare hourly billing with a fixed fee.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Effective hourly rate
- $107.14
- Hours with overrun
- 84
- Hourly billing total
- $9,240.00
- Better option
- Bill hourly
Quick answer
A fixed fee beats hourly only if your effective hourly rate stays above your target after overruns.
Effective rate = fee ÷ (estimate × overrun)
How to use the Project Fee Calculator
- 1Enter the fixed fee on the table.
- 2Estimate hours honestly and add your typical overrun.
- 3Compare against your target rate.
Frequently asked questions
Why include overrun?
Fixed-fee projects almost always take longer than the estimate.
When is fixed fee best?
When scope is tight and you are faster than average.