Everhour turns tracked billable time into reports, while billing rate math still starts with approved hours and rates.
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A billing rate calculation answers how much client-facing value approved work creates at one or more hourly rates. For a single role, the math is direct: approved billable hours multiplied by the billing rate. For mixed teams, the result can show the total billable amount and the blended billing rate across all approved hours, which is useful when a client sees one averaged figure instead of each person's rate.
The calculation also keeps billing rate separate from tax, discounts, write-downs, and collections. In the United States, billable-hour totals are normally denominated in U.S. dollars. There is no federal VAT/GST or national sales-tax rate for billed professional time, so any tax input belongs to the applicable state and local rule when the service is taxable.
For one rate, multiply approved billable hours by the hourly billing rate. For several roles, calculate each line separately, add the line totals, then divide the combined billable amount by the combined approved hours if you need a blended rate. Do not include non-billable admin time in the billable total unless the client agreement makes that time chargeable.
For example, a systems documentation project includes 24 approved technical writing hours at $160 per hour and 11 approved review hours at $125 per hour. The writing line equals $3,840, and the review line equals $1,375. The pre-tax billable amount is $5,215. Across 35 approved billable hours, the blended billing rate is $149 per hour.
A billing rate is not the final invoice by itself. A client contract can require different rates by role, matter, task, project phase, or date. It can also require a write-down when approved work exceeds a cap. If a $5,215 calculated total is reduced to $4,950 before invoicing, the billed amount changes, but the original approved billable value still matters for realization analysis.
Tax treatment is a separate input. U.S. sales tax is state and local, not a single national rate, and some services are not taxed. Hawaii applies general excise tax to most activities at 4%, with county surcharge pass-through caps reaching 4.7120% in counties that adopted the surcharge. New Mexico gross receipts tax includes services performed in New Mexico and varies by location from 5.125% to 8.6875%.
A calculator is enough for a one-off quote, a quick invoice check, or a blended-rate review after a small project closes. It works when the approved hours, rates, and taxable treatment are already known. Once time is still being logged, reviewed, corrected, or approved, the calculation needs source records rather than a standalone number typed at the end.
For recurring client work, use a managed workflow that preserves the path from timer entry to approved billable hours, billable amount, reporting, and invoicing. Everhour Reporting can group billable time by project, client, task, member, and other fields, then export or schedule reports so billing reviews use the same underlying time data each cycle.
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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Multiply approved billable hours by the client-facing hourly billing rate. If one person logged 26 approved billable hours at $140 per hour, the pre-tax charge is $3,640. Add tax only when the service is taxable under the relevant state and local rule, because the United States has no federal VAT/GST or national sales-tax rate.
A blended billing rate shows the average client-facing rate across multiple roles or rates. Add all billable line amounts, then divide by total approved billable hours. It is useful when a project has senior and junior contributors but the client needs one summary rate for budget review or comparison against a fixed quote.
Exclude non-billable time from the billable amount calculation unless the contract or policy makes that time chargeable. Keep it in a separate internal view because it affects profitability and effective yield. For example, 35 approved billable hours can produce a clean client total, while 6 additional internal hours reduce the economic return on the same project.
A write-down reduces the amount billed after the raw billable value is calculated. The original billing rate still prices the approved work, but the billed amount creates a lower realization rate. If approved work equals $5,215 and the invoice is reduced to $4,950, realization is measured against the original value, not against a revised hourly rate.
Add tax only after checking the state and local treatment for the service and location. The United States does not have a federal VAT/GST or national sales-tax rate. Texas taxes taxable services at 6.25% at the state level, with local jurisdictions able to add up to 2% for an 8.25% maximum combined rate.
Everhour Reporting lets admins build reports with 45+ columns, including billable time, billable amount, labor costs, profit, invoice status, and project details. Teams can group, filter, export, or schedule those reports so billing rate reviews use approved time and financial columns from one reporting layer.
Track approved billable time, group it by client or project, and schedule billing reports in Everhour so rate reviews use consistent billable data.
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