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Business & eCommerceGenerated accuracy model review: 2026-05-06
Freelancer Hourly Rate Calculator accuracy and testing
This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.
Formula source
- Annual billable hours = billable hours per week * (52 - weeks off). Gross revenue needed = (desired income + expenses) / (1 - tax reserve). Hourly rate = gross revenue needed / annual billable hours * (1 + profit buffer).
Test cases
Default input regression check
Generated from the checked-in default inputs and calculate function.
Inputs
- Desired Annual Income: $100,000
- Annual Business Expenses: $12,000
- Tax Reserve: 25%
- Billable Hours per Week: 25 hr/week
- Weeks Off per Year: 5 weeks
- Profit Buffer: 10%
Expected outputs
- Recommended Hourly Rate: $139.80
- Annual Billable Hours: 1,175 hr
- Gross Revenue Needed: $164,266.67
- Monthly Revenue Target: $13,688.89
Known limitations
- This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
- Use the result as a planning estimate unless the calculator page states a stricter purpose.
Assumptions
- Tax reserve is modeled as a percent of gross revenue, not a tax filing estimate.
- Billable hours are assumed consistent across working weeks.
- Calculations run locally and do not store client, income, or tax details.
Unit handling
- Desired Annual Income accepts values in $.
- Annual Business Expenses accepts values in $.
- Tax Reserve accepts values in %.
- Billable Hours per Week accepts values in hr/week.
- Weeks Off per Year accepts values in weeks.
- Profit Buffer accepts values in %.
- Recommended Hourly Rate is displayed as currency.
- Annual Billable Hours is displayed in hr.
- Gross Revenue Needed is displayed as currency.
- Monthly Revenue Target is displayed as currency.
Rounding rules
- Number displays use up to 2 decimal places in the calculator UI.
- Currency outputs are displayed with standard US dollar formatting.
- Input precision follows configured step values where provided.
Version history
1.0.0 - 2026-05-06
Generated accuracy and testing page from the current freelancer-hourly-rate-calculator calculator definition.
Change log
2026-05-06
Published default regression test documentation and metadata fallbacks for Freelancer Hourly Rate Calculator.
Calculator transparency
Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.