Accountants Hourly Rate Formula
Learn how to calculate an accountant's required hourly rate from monthly income goals, overheads, recoverable expenses, billable hours and profit margin.
This formula estimates the hourly rate needed to generate enough monthly revenue for an accounting practice. It first builds a revenue target that covers income, operating costs, recoverable client expenses and planned profit, then spreads that target across realistic billable hours.
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Recommended Hourly Rate
Where:
Add the monthly income requirement and costs, increase that total to leave room for the chosen profit margin, then divide by the hours you expect to invoice.
Variables Explained
| Variable | What It Means | Unit |
|---|---|---|
| targetMonthlyIncome - Target monthly income | Monthly amount the business needs to generate for the owner's or accountant's pay before personal taxes. | currency |
| monthlyOverheads - Monthly business overheads | Recurring operating costs such as software, insurance, rent, subscriptions, marketing and support. | currency |
| monthlyBillableExpenses - Monthly client expenses to recover | Regular client-related costs intended to be recovered through pricing. | currency |
| profitMargin - Target profit margin | The portion of required revenue intended to remain as business profit after the income and cost requirements. | percent |
| billableHoursPerMonth - Billable hours per month | Hours that can realistically be invoiced to clients during a typical month. | hours |
| monthlyRevenueNeeded - Monthly revenue required | Gross monthly revenue required after allowing for the selected profit margin. | currency |
Step-by-Step Calculation
Add monthly funding requirements
Combine the monthly income target with business overheads and client expenses that need to be recovered.
baseMonthlyRequirement = targetMonthlyIncome + monthlyOverheads + monthlyBillableExpenses
Convert the profit margin to a decimal
A percentage margin must be expressed as a decimal for the revenue calculation.
profitMarginDecimal = profitMargin / 100
Calculate required monthly revenue
Divide the base requirement by the revenue remaining after the target profit share is set aside.
monthlyRevenueNeeded = baseMonthlyRequirement / (1 - profitMarginDecimal)
Calculate the recommended hourly rate
Spread the required revenue across the hours expected to be billed to clients.
recommendedHourlyRate = monthlyRevenueNeeded / billableHoursPerMonth
Calculate implied monthly profit
The remaining amount after funding the entered income requirement and costs is the profit built into the target.
monthlyProfit = monthlyRevenueNeeded - targetMonthlyIncome - monthlyOverheads - monthlyBillableExpenses
Annualize the revenue target
Multiply the monthly revenue target by 12 when the same assumptions apply throughout the year.
annualRevenueNeeded = monthlyRevenueNeeded * 12
Example: independent accountant with an 80-hour billable month
Add income and costs
$6,000 + $1,500 + $0
$7,500
Find the revenue share available for requirements
1 - 20 / 100
0.80
Calculate monthly revenue needed
$7,500 / 0.80
$9,375
Calculate hourly rate
$9,375 / 80 hours
$117.19 per hour
Calculate implied monthly profit
$9,375 - $7,500
$1,875
Calculate annual revenue target
$9,375 × 12
$112,500 per year
Final Result
The estimated minimum hourly rate is $117.19 per hour, with required monthly revenue of $9,375.
Assumptions
- ✓All amounts use the same currency and represent a typical month.
- ✓Billable hours are hours that can be invoiced and collected, rather than total working hours.
- ✓The target monthly income is treated as a business funding requirement before personal income taxes.
- ✓The selected profit margin is calculated as a percentage of required revenue.
- ✓Regular client expenses are included only when they are expected to be recovered through pricing.
Limitations
- !The calculation does not determine personal, business, payroll or sales tax obligations.
- !It does not automatically include irregular expenses, late payments, bad debts, financing costs or seasonal downtime.
- !Actual client demand may not support the estimated rate in every market or service niche.
- !Fixed-fee work can produce a different effective hourly rate when the scope takes more or fewer hours than expected.
Common Mistakes to Avoid
Using total working hours instead of the smaller number of genuinely billable hours.
Entering a profit markup as though it were a profit margin; this calculator uses profit as a share of revenue.
Leaving out recurring costs such as professional insurance, software, continuing education or marketing.
Ignoring regular client-related expenses that need to be recovered.
Assuming every month has identical billable capacity despite leave, holidays, training or sales activity.
Related Formulas
Frequently Asked Questions
What is the formula for an accountant's hourly rate?
Divide required monthly revenue by realistic monthly billable hours. Required revenue equals income target plus costs and recoverable expenses, divided by one minus the profit margin as a decimal.
Why is the profit margin divided by one minus the margin?
The income and costs must fit within the part of revenue left after profit. For example, when profit is 20% of revenue, 80% of revenue remains to fund those requirements.
How do billable hours affect an accountant's hourly rate?
For the same monthly revenue target, fewer billable hours increase the required hourly rate and more billable hours reduce it.
Is a 20% profit margin the same as adding 20% to costs?
No. A 20% margin means profit is 20% of revenue. Adding 20% to costs is a markup and produces a lower profit margin than 20%.
Should accountant software be included in overheads?
Regular software subscriptions, insurance, office costs, marketing and similar operating costs can be included in monthly overheads when they are relevant to the business.
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