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Effective billing rate answers one practical question: how much revenue did each hour of work actually generate? It is not the same as a stated hourly rate. A project can have a $150 rate on the engagement letter and still produce a lower effective rate once internal meetings, client management, write-downs, or fixed-fee overruns are included.
Use the calculation after a project, invoice period, or month closes. The result helps you compare clients, matters, projects, and team assignments on the same basis. It also separates price from performance: a high nominal rate with heavy non-billable effort can produce less revenue per worked hour than a lower rate on a tighter scope.
Start with revenue connected to the work period you are measuring. For hourly work, multiply approved billable hours by the applicable rate, then subtract write-downs, discounts, or non-approved time before calculating the effective rate. For fixed-fee work, use the fee earned for that scope and divide it by the total hours spent on the work.
In U.S. billing, keep taxes separate from service revenue unless your internal reporting policy treats collected tax as revenue. The United States has no federal VAT/GST or national sales-tax rate for billed professional time. State and local tax treatment varies by jurisdiction and service type, so the tax input belongs on the invoice calculation, not inside the core effective-rate formula.
The formula is `net billed revenue / total worked hours = effective billing rate`. Total worked hours includes billable and non-billable time tied to the project or period. If you exclude non-billable time, you are calculating the average billed rate, not the effective rate of the work.
For example, a client reporting project includes 36 approved analysis hours at $150 per hour and 12 approved review hours at $125 per hour. Those billable lines produce $6,900. The team also logged 12 non-billable coordination hours, so total worked time is 60 hours. The effective billing rate is $6,900 divided by 60 hours, or $115 per hour.
A one-off calculation is enough when you need a quick post-invoice check for one project with a clean time log. It is also enough for pricing a small fixed-fee job after the work is complete. The calculation breaks down when hours are reconstructed from memory, non-billable work is missing, or approvals happen after billing.
A managed workflow is the better fit when effective rate drives pricing, staffing, or client decisions. Everhour Time Tracking lets people use timers or manual entries against tasks and projects, then routes those hours into timesheets, approvals, reports, budgets, invoicing, and payroll review. That creates a durable record instead of a spreadsheet assembled 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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The formula is net billed revenue divided by total worked hours for the project, client, matter, or period. Net billed revenue should reflect approved charges after write-downs or discounts. Total worked hours should include billable and non-billable time connected to the work, because the purpose is to measure revenue produced by all labor spent.
No. Hourly rate is the price assigned to billable work. Effective billing rate is the actual revenue per worked hour after different rates, non-billable time, fixed fees, write-downs, and discounts are counted. A project billed at $150 per hour can produce a $115 effective billing rate when unpaid project time is included.
Do not include taxes in the core effective billing rate unless your reporting policy treats collected tax as revenue. In the United States, there is no federal VAT/GST or national sales-tax rate for billed professional time. State and local tax rules vary, so tax should be handled as a separate invoice input.
A fixed-fee project has a low effective billing rate when the fee is spread across more hours than expected. A $5,000 fee over 25 hours produces $200 per hour. The same fee over 50 hours produces $100 per hour. Scope creep, rework, and untracked internal coordination are the usual causes.
The common mistake is dividing revenue only by approved billable hours while ignoring non-billable project work. That produces an average billed rate, not an effective billing rate. Include internal coordination, revisions, research, and client management time when those hours were required to deliver the billed work.
Everhour Time Tracking captures task and project hours through live timers or manual entries, including entries inside supported project tools. Those hours can feed timesheets, approvals, reports, budgets, invoicing, and payroll review, so the effective-rate calculation uses approved project time instead of reconstructed totals.
Track project hours as they happen, approve timesheets before billing, and use Everhour reporting to compare billed revenue against total project time with fewer manual gaps.
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