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Annual Capacity & Billing Rate Calculator
Model an hourly billing rate from annual salary, billable capacity and a multiplier.
- Formula & worked example
- Private in your browser
- No signup
Calculator inputs
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How to use this calculator
- Enter the known values in the units shown. Results update as you type.
- Edit a calculated value to solve backwards, or lock a value to hold it fixed.
- Use the worked example to check the method. Reset restores the starting fields.
Use the result with context
Results are estimates for planning and education. Confirm rates, taxes, fees, and legal requirements with the relevant institution or a qualified professional before making a financial decision.
Formula and method
An annual salary of 78,000 divided by 1,560 billable hours per year is 50 per hour. A multiplier of two gives a modeled bill rate of 100 per hour.
Bill rate = annual salary ÷ annual billable hours × multiplier
Worked example
Enter these known values and leave the other values blank.
- Annual salary
- 78000 USD
- Annual billable capacity
- 1560 hrs / yrs
- Salary-cost multiplier
- 2
- Bill rate
- 100 USD / hrs
Assumptions and limitations
- No. The multiplier scales the salary-derived hourly amount. It can represent your chosen allowance for overhead, risk and profit, but does not calculate those costs. Enter positive annual billable capacity, excluding time you do not expect to bill.
Common questions
Is the multiplier the same as a profit margin?
No. The multiplier scales the salary-derived hourly amount. It can represent your chosen allowance for overhead, risk and profit, but does not calculate those costs. Enter positive annual billable capacity, excluding time you do not expect to bill.
References
The calculation equations, inverse formulas, units, and input rules were imported from this source. Bookify provides the interface and equation solver.
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