Project Rate Calculator
Calculate a freelance project rate from estimated hours, hourly rate, and a risk buffer. Free project pricing calculator for freelancers and consultants.
Inputs
Enter the minimum numbers needed to get a result.
Formula and example
Project rate = Estimated hours x Hourly rate x (1 + Buffer %)
If a project takes 40 hours at $75/hour with a 20% risk buffer, the base price is $3,000, buffer is $600, and the project rate is $3,600.
Methodology & assumptions
Last updated: 2026-06-11Calculation method
Calculates a base project price from estimated hours and hourly rate, then adds a percentage buffer for scope creep, revisions, and unforeseen work. The buffer is a planning safeguard, not a discount.
Data sources
Uses the numbers you enter and standard small-business finance formulas. Benchmark comparisons use HustleFin industry benchmark pages where available.
Limitations
Accuracy depends on the hour estimate. Underestimated projects still lose money even with a buffer. Does not include expenses, licensing, or third-party costs.
Input definitions
- Estimated hours: Best estimate of total project hours.
- Hourly rate: Your freelance hourly rate.
- Risk buffer: Extra % added for scope changes and revisions.
Frequently asked questions
What is a risk buffer?+
A risk buffer is a percentage added to the base price to cover scope changes, extra revisions, and unforeseen complexity. 15-25% is typical for most freelance projects.
Should I charge hourly or per project?+
Project rates work well when scope is clear. Hourly rates protect you when requirements are vague or likely to change. Many freelancers use both depending on the client.
How do I estimate project hours?+
Break the project into tasks, estimate each task, then add 10-20% for communication, meetings, and revisions. Compare against similar past projects.
Should I include expenses in the project rate?+
Yes, either roll them into the project rate or list them separately in the proposal. Never absorb project-specific expenses without accounting for them.
Related guides
Go deeper with in-depth guides on the concepts behind this calculator.
Continue the workflow
Set your hourly rate, convert to a day rate, then price individual projects with a risk buffer.