Hourly billing vs project billing

Everhour connects tracked time to reporting, so billing model decisions can use real hours instead of estimates.

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Working hours in the period

Admin, meetings, internal work

$
80%

Industry average is 75–80%

Monthly revenue
Billable hours136h
Utilization rate85%
Revenue gap to target$0

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Acme Web Project
1
50% of budget used
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$2,500.00 remaining
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Everhour — Invoices
Your Company LLChello@yourcompany.com
INVOICE
Invoice #1042
Group by:
DescriptionHoursRateAmount
Website Redesign14h$150/h$2,100.00
Brand Guidelines7h$150/h$1,050.00
Marketing Strategy3.5h$150/h$525.00
Total Due$3,675.00
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Choosing a billing model by the numbers

What this calculation answers

This calculation shows whether an hourly rate or fixed project fee produces more revenue for the same work. It also gives you the effective billing rate on a project fee, which is the project price divided by the actual hours required. That number matters because a fixed fee that looks higher can still underperform if the work takes longer than expected.

Use the result before quoting a client, reviewing a completed project, or comparing two pricing options. Hourly billing protects you when scope expands because revenue rises with approved billable time. Project billing rewards efficiency because revenue stays fixed when you finish faster. The tradeoff is simple: hourly billing sells time; project billing sells a defined result.

Calculate revenue and effective rate

For hourly billing, multiply billable hours by the agreed hourly rate. For project billing, divide the fixed project fee by the actual hours worked to find the effective hourly rate. If the project effective rate is higher than your normal hourly rate, the fixed fee paid better for the time used. If it is lower, the project absorbed more labor than priced.

For example, 44 approved billable hours at $125 per hour equals $5,500 under hourly billing. A fixed project fee of $6,160 over the same 44 hours creates an effective billing rate of $140 per hour. The fixed project fee produces $660 more than the hourly model, but only because the work stayed within 44 hours.

Compare scope and billing risk

Hourly billing works best when the scope is uncertain, client revisions are frequent, or discovery can change the work plan. The common mistake is quoting a project fee from an optimistic time estimate and then treating every new request as included. That turns project billing into unpaid labor unless the agreement defines deliverables, revision limits, and change-order terms.

Project billing works best when the work is repeatable and the delivery boundary is clear. Before choosing it, compare the project fee against expected hours, likely overrun hours, and non-billable coordination time. A $6,160 fee looks profitable at 44 hours, but at 56 total work hours its effective rate falls to $110 per hour. That is below the $125 hourly option.

When a calculator is enough

A one-off calculation is enough when you are pricing a small project, checking a completed invoice, or comparing two clean scenarios with known hours and rates. It gives you the revenue difference, effective hourly rate, and break-even point. For U.S. service invoices, tax treatment is state and local; the United States does not have a federal VAT/GST or national sales-tax rate for billed professional time.

A managed workflow matters when several people log time, approvals affect billing, or fixed-fee projects need profitability review after delivery. Everhour Reporting can group logged time by project, member, task, client, billable status, cost, revenue, and profit, then export or schedule reports. That turns the billing model decision into a repeatable review instead of a spreadsheet check after the fact.

This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.

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Frequently Asked Questions

How do you compare hourly billing with project billing?

Calculate hourly revenue as billable hours multiplied by the hourly rate. Then divide the fixed project fee by actual hours worked to get the project's effective hourly rate. Compare that effective rate with your normal hourly rate. The higher number pays better for the same labor, before taxes, discounts, write-downs, and collection issues.

What is the break-even point for a fixed project fee?

Divide the project fee by your target hourly rate. A $6,160 project fee divided by a $125 target rate breaks even at 49.28 hours. If the work takes fewer hours, the project fee beats the hourly model. If it takes more hours, the hourly model would have produced more revenue.

When does hourly billing create a better result?

Hourly billing creates a better result when the project has uncertain requirements, heavy client revisions, or work that cannot be defined before kickoff. It also protects revenue when approved scope expands. The key control is written rate and billing terms, especially for professional services where clients expect to see the basis for charges.

What is the most common mistake in project billing?

The common mistake is comparing the project fee only with estimated billable hours and ignoring total work time. Planning, internal review, client calls, and rework can lower the effective hourly rate even when the invoice amount looks strong. A project fee should be tested against realistic total hours, not only the clean delivery estimate.

Do U.S. taxes change the billing comparison?

Taxes can change the invoice total but not the core billing comparison unless you include them in the amount being compared. The United States has no federal VAT/GST or national sales-tax rate. Sales-tax treatment is state and local, and some services are taxable in specific jurisdictions while others are not.

How does Everhour Reporting help compare billing models?

Everhour Reporting lets admins build reports with columns for billable time, non-billable time, billable amount, cost, revenue, profit, clients, projects, tasks, and members. Grouping and filters make it easier to compare hourly and fixed-fee work by actual logged time instead of relying on memory or a standalone estimate.

Review billing results with reports

Use real project data before choosing the next pricing model. Everhour turns approved time, billable status, rates, costs, and profit into reports that show which billing model performs better.

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