Comprehensive billable hours calculator

Everhour tracks billable and non-billable time, while detailed billing totals still need clean rates, rounding, and tax inputs.

How many billable hoursdid you actually work?

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

$
80%

Industry average is 75–80%

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

Everhour does it all — track, budget, report & invoice

The calculator gives you the number — Everhour takes it from there.

Go ahead — start tracking!

One click and you're timing. Start a timer, add an entry, edit the details. This is exactly how it feels in Everhour.

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Works with your favorite tool:
Everhour — Time Tracking
Time Entries
01:24:00
00:31:00
01:07:00

No more budget surprises

Set a budget, assign rates, and get alerted before you're over.

  • Real-time cost tracking
  • Set different rates per person or project
  • Alerts before you hit the budget limit
Everhour — Budgeting
Acme Web Project
1
50% of budget used
$2,500.00of $5,000.00
$2,500.00 remaining
75%
Actual costRemaining cost

Measurement

Track your budget through time or costs

Simple, customizable reports

Every report you need — configured your way, always up to date.

  • See who does what in real time
  • Configure any report
  • Scheduled email reports
Everhour — Reports

Your invoice is ready!

Tracked hours flow straight into a polished invoice — no copy-paste, no manual math.

  • Billable hours straight into the invoice
  • Configure invoice templates
  • Copy invoices to QuickBooks or Xero
  • Invoicing dashboard with status
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
Try Everhour for real yourself

How billable-hour totals are built

What this calculation answers

A comprehensive billable-hours total answers more than "hours times rate." It shows how much client-facing work is ready to bill after you separate billable from non-billable time, apply the right rate to each line, round time according to the billing policy, and subtract write-downs before invoicing. The result is usually a pre-tax amount in U.S. dollars unless the invoice adds a jurisdiction-specific tax.

This calculation matters when a project has multiple people, several billing rates, fixed-fee exceptions, task-level exclusions, or client review before the invoice goes out. It also helps you compare the quoted rate with the effective billing rate across all approved work. That comparison is useful when a high-rate project includes planning, internal review, or client courtesy reductions that lower the actual amount billed.

Build the total by line

Calculate each billable line separately before combining the project total. For example, a product audit includes 32 approved senior consulting hours at $175 per hour and 22 approved QA review hours at $115 per hour. The senior consulting line equals $5,600, and the QA review line equals $2,530. The pre-tax billable total is $8,130.

The same project has 54 approved billable hours, so the effective billing rate is $150.56 per hour after rounding the final rate to the nearest cent. Keep that rate separate from each contracted billing rate. The effective rate is a reporting metric, not a replacement for the invoice lines that show the client exactly how each approved hour was priced.

Add comprehensive billing controls

A comprehensive calculation needs fields for billing increment, rate type, billable status, write-downs, and tax treatment. A six-minute increment records time in 0.1-hour units, while a 15-minute increment records time in 0.25-hour units. Rounding should happen according to the engagement terms before the final amount is approved, because rounding each entry differently changes the invoice total.

For U.S. invoices, do not add a federal VAT or GST line because the United States has no federal VAT/GST. Sales tax treatment is state and local, and services are taxed differently by jurisdiction. If the service is taxable, use the applicable state or local input rather than a national percentage. For example, Texas taxable services use a 6.25% state rate, with local additions up to an 8.25% combined rate.

Use one-off checks carefully

A calculator is enough when you need a single project estimate, a quick invoice review, or a pre-tax billing total from already approved hours. It is also enough when the rate structure is simple and the billable time is already clean. The result becomes fragile when the source data comes from memory, reconstructed notes, or unapproved entries spread across several people.

A managed workflow is better when billing depends on continuous time capture, billable and non-billable flags, approvals, reporting, and invoicing handoff. Everhour supports project billing status, task-level non-billable controls, custom task rates, member-rate exceptions, and admin reports for billable time, non-billable time, billable amount, and cost, so approved billing data stays connected from entry to invoice review.

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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Summer 2026

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Summer 2026

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Frequently Asked Questions

Which inputs belong in a comprehensive billable-hours total?

Use approved billable hours, the billing rate for each person or task, the billing increment, any write-downs, and any invoice-specific tax input. Keep non-billable time in the report, but exclude it from the billable amount unless the client agreement says otherwise. For U.S. invoices, tax treatment is state and local, not a single federal VAT/GST rate.

How should billing increments be applied?

Apply the billing increment required by the engagement terms or client policy before finalizing the invoice. A 0.1-hour increment rounds to six-minute units, while a 0.25-hour increment rounds to 15-minute units. The common mistake is mixing increments across team members on the same matter, which makes the invoice hard to review and defend.

How do blended rates affect the project total?

A blended rate uses one average rate across several roles, while a multi-rate invoice prices each role separately. For a comprehensive calculation, keep the original line rates visible even if you also report a blended or effective rate. The line rates explain the invoice total; the blended rate helps compare projects, staffing models, and margin.

When does U.S. tax change the final invoice?

U.S. tax changes the invoice only when the billed service is taxable in the applicable state or local jurisdiction. The United States has no federal VAT/GST or national sales-tax rate for billed professional time. Some jurisdictions tax certain services, and the percentage can vary by location, so the tax input must match the client, service, and jurisdiction.

How should write-downs be handled before billing?

Subtract write-downs after calculating the pre-write-down billable value and before sending the invoice. Keep the original billable time visible in internal reporting so realization can be reviewed later. If time is deleted instead of written down, you lose the difference between work performed and work billed, which weakens project review and staffing analysis.

How does Everhour track billable and non-billable time?

Everhour supports billable and non-billable time through project billing status, task-level non-billable controls, custom task rates, and member-rate exceptions. Admin reports can show billable time, non-billable time, billable amount, and cost, so billing review uses the same approved time data as project reporting.

How does Everhour support invoicing from approved time?

Everhour Billing & Invoicing converts tracked billable time and expenses into invoices, calculates invoice amounts from rates, time, and billable expenses, and excludes non-billable work. Invoices can be exported to QuickBooks Online, Xero, or FreshBooks as drafts, with invoice status syncing back to Everhour.

Turn approved time into billing

Track billable status, task rates, and non-billable work before invoice review. Everhour keeps approved time, billing reports, and client-ready amounts aligned in one billing workflow.

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