Virtual Assistant Required Rate Estimator

The Independent Consultant Billable Capacity Estimator calculates how many client-billable hours can fit into a year after allowing for nonbillable work. It is designed for solo consultants who need to balance delivery time with proposals, administration, business development, professional development, and internal work.

The estimate turns a weekly schedule into annual and monthly billable capacity, which can then be used for revenue planning, project commitments, and rate setting. Because consulting workloads rarely stay perfectly even, the result is best treated as a planning ceiling based on the assumptions entered rather than a guaranteed amount of work.

Income and workload assumptions

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$
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hours
Result
Required rate
Required annual revenue
Required pre-tax profit
Modeled tax reserve
Average monthly revenue target

1. Set the take-home target
Enter the annual amount you want to keep from your virtual assistant business after the modeled business costs and tax reserve.

2. Add annual business costs
Include operating costs that the client revenue needs to cover, such as software, insurance, contractors, and professional services.

3. Choose a tax reserve assumption
Enter the share of business profit you plan to reserve. The calculator uses your percentage and does not supply a jurisdiction-specific tax rate.

4. Enter realistic billable hours
Use the hours you expect to invoice during the year, not total working hours that include administration and business development.

5. Compare the required rate
Use the main result as an hourly-equivalent baseline, then consider scope, value, risk, and market positioning separately.

Required pre-tax profit = Target take-home ÷ (1 − Tax reserve rate / 100) Required annual revenue = Required pre-tax profit + Annual business costs Required hourly rate = Required annual revenue ÷ Annual billable hours

The tax reserve is modeled as a percentage of profit after entered business costs. The formula requires a reserve rate below 100% and positive billable hours.

What the result means

The main result is the hourly-equivalent rate required for the entered billable hours to support the target take-home under the stated cost and reserve assumptions.

Actual pricing can be higher or lower because client value, scope, utilization, collection risk, benefits, and tax treatment are not fully captured by this model.

Given: $72,000 target take-home, $14,400 annual business costs, a 24% reserve rate, and 1,080 billable hours.

Calculation:
Required pre-tax profit = $72,000 ÷ 0.76 = $94,736.84.
Required annual revenue = $94,736.84 + $14,400 = $109,136.84.
Required hourly rate = $109,136.84 ÷ 1,080 = $101.05.

Result: about $101.05 per billable hour.

Interpretation: At 1,080 annual billable hours, a rate near $101 per hour would support the entered take-home target, costs, and reserve assumption before considering other pricing factors.

Why is my required VA rate higher than my take-home goal divided by hours?

The calculator also funds annual business costs and the tax reserve. Those amounts must be covered by client revenue before the target take-home remains.

Can I use monthly retainer hours as billable hours?

Yes. Add expected paid retainer hours across the year, adjusting for planned time off and likely unused or overage patterns based on how your retainers work.

What if I know my weekly billable hours instead?

Multiply expected weekly billable hours by working weeks to create an annual figure. Avoid multiplying by 52 if you do not plan to work all 52 weeks.

Does this rate include unpaid admin time?

Indirectly, if your annual billable-hour estimate is realistic. Nonbillable admin hours reduce the number of hours available to generate the required revenue.

Should I charge exactly the calculated rate?

Not necessarily. Treat it as a financial baseline; specialization, urgency, scope complexity, client value, and package structure may support a different price.