Everhour captures task time quickly, while your billing total still depends on rates, rounding, and write-downs.
Track billable vs. non-billable time and see your real utilization rate and revenue potential in seconds.
Working hours in the period
Admin, meetings, internal work
Industry average is 75–80%
The calculator gives you the number — Everhour takes it from there.
One click and you're timing. Start a timer, add an entry, edit the details. This is exactly how it feels in Everhour.
Set a budget, assign rates, and get alerted before you're over.
Measurement
Track your budget through time or costs
Every report you need — configured your way, always up to date.
Tracked hours flow straight into a polished invoice — no copy-paste, no manual math.
A billable-hours calculation answers one practical question: how much client-chargeable work is worth before collections, discounts, taxes, or late-payment interest. The core result comes from approved billable hours multiplied by the applicable billing rate. If a project has several rates, each category is calculated separately, then added together.
The calculation also helps you check the gap between worked time and billable value. Total worked time includes internal meetings, admin work, training, and other non-billable activity. Billable time is the portion allowed under the client agreement, engagement letter, statement of work, or project policy. Keeping those categories separate prevents overbilling and keeps realization analysis clean.
For an instant answer, use the smallest set of inputs that changes the result: billable hours, billing rate, billing increment, write-down amount, and any jurisdiction-specific tax line when the service is taxable. In the United States, there is no federal VAT/GST or national sales-tax rate for billed professional time. Sales-tax treatment is state and local.
Do not treat a quick result as permission to skip classification. A 52-hour workweek does not create 52 billable hours if 9 hours were internal. A fast calculation works when time entries are already marked billable or non-billable, rates are current, and the invoice only needs arithmetic. If those inputs are reconstructed from memory, the speed comes at the cost of accuracy.
The basic formula is billable hours multiplied by billing rate, calculated separately for each rate category. For example, a product audit has 22 approved research hours at $165 per hour and 18 approved testing hours at $110 per hour. The research value is $3,630, the testing value is $1,980, and the billable total is $5,610.
If the same 40 billable hours are used to measure blended value, divide $5,610 by 40 hours for an effective billing rate of $140.25 per hour. Apply rounding before multiplication when the client agreement uses increments such as 0.1 hour or 15 minutes. A write-down after the calculation reduces billed value, not the original billable hours captured for analysis.
A one-off calculator is enough when you have a short list of approved entries, one client, one currency, and a clear billing rate. It is also enough for a quick pre-invoice estimate, a quote check, or a comparison between two rate structures. The result still needs review against the client agreement and any applicable state or local tax rule.
A managed workflow is the better fit when entries come from multiple people, projects, and tools. Everhour Time Tracking captures task and project hours through timers or manual entries, then feeds timesheets, reporting, budgeting, invoicing, and payroll review. Admin controls such as approvals, locked periods, reminders, and timer rules make the calculation repeatable instead of rebuilt from scratch.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
High Performer
G2
Summer 2026
Best Ease Of Use
Capterra
Summer 2026
Rated in the top time trackers across G2, Capterra, and TrustRadius — with consistent praise for ease of use, integrations, and support.
You need approved billable hours, the billing rate for each work category, the billing increment, and any write-down or discount applied before invoicing. For U.S. work, add a jurisdiction-specific tax input only when the service is taxable under the relevant state or local rule.
Billing increments change the hours before the rate is applied. A 14-minute entry is 0.3 hour under a 0.1-hour increment, but 0.25 hour under a 15-minute increment if rounded to the nearest quarter hour. The client agreement or firm policy should define the rounding method.
Billable hours are the approved client-chargeable time units. Billed amount is the invoice value after applying rates, write-downs, discounts, expenses, taxes when applicable, and invoice formatting rules. A project can have accurate billable hours and still produce a lower billed amount after a write-down.
Do not add a national U.S. tax rate because no federal VAT/GST exists. Sales-tax treatment is state and local, and different services can be treated differently. Calculate the labor value first, then add a jurisdiction-specific tax line only when the billed service is taxable.
An instant estimate is not enough when rates changed during the period, several people billed at different rates, time was not approved, or entries must be tied to invoices, budgets, or payroll review. In those cases, the calculation needs an audit trail, not just a final number.
Everhour Time Tracking lets users start a timer or add manual time against tasks and projects, including inside supported tools such as Asana, ClickUp, Jira, GitHub, Monday, Notion, Trello, and Basecamp. Those entries can feed timesheets, reports, budgeting, invoicing, and payroll review.
Everhour Billing & Invoicing turns tracked billable time and expenses into invoices, calculates invoice amounts from rates while excluding non-billable work, and marks invoiced time so the same entries do not appear again on a later invoice.
Track approved task time, apply billable settings, and move clean totals into review and invoicing. Everhour gives teams repeatable time capture before the billing math starts.
14-day free trial · No credit card · Cancel anytime
