Everhour connects project time to billing, while invoice accuracy still depends on clear client, tax, and payment details.
Fill in your details, add line items, hit Print when ready.
| Description | Qty | Rate | Tax | Amount |
|---|
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 project-based invoice turns approved work into a client-facing request for payment. The practical job is to pull client details, project scope, billable time, expenses, tax treatment, payment terms, and remit-to details into one document that a client can review without asking for the project history again.
For ordinary United States private-sector businesses, no single federal invoice form controls the layout. Invoices still matter because they support business records and show amounts and sources of gross receipts. A strong invoice app helps you keep the commercial record clear, especially when several tasks, people, or billing rates feed one client total.
A project invoice needs enough structure for the client to connect each charge to approved work. Include seller and buyer details, a sequential invoice number, issue date, due date, line items, quantity, rate, subtotal, tax line when applicable, total due, payment terms, and remit-to information.
Project management work often creates too much detail for a readable invoice. A useful invoice line can group work by project phase, task group, person, or date range. For example, "Website implementation, March 1-15, 24 hours at $125 per hour" gives the client a clear review path without exposing every internal task comment.
A United States invoice is not governed by a national VAT or GST invoice regime. Sales and use tax obligations come from state and local rules, and the correct treatment depends on nexus, the product or service, and where the sale is sourced. Washington, for example, has a 6.5% state sales tax portion plus a local portion that varies by city or county.
A project invoice is also separate from a receipt, estimate, or quote. The invoice requests payment for delivered work or billable charges. A receipt proves payment received. An estimate gives a pre-work price expectation, while a quote is a firmer pre-work offer. Mixing those labels creates payment and recordkeeping confusion.
A one-off invoice app is enough when you need a single downloadable invoice, the project has a simple rate structure, and you can verify every line before sending. It also works for occasional clients, small fixed-fee projects, or a clean time-and-materials invoice with no recurring approval workflow.
A managed workflow becomes the better fit when tracked time, project costs, billable status, approvals, and reports need to feed invoices repeatedly. Everhour supports billable and non-billable time through 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.
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.
A project-based invoice should include seller and buyer details, invoice number, issue date, due date, project or order reference, line items, quantities, rates, subtotal, tax line when applicable, total due, payment terms, and remit-to details. The line items should match how the client approved the work.
Project tasks should become separate invoice lines only when that level of detail helps client approval. Group routine task entries by phase, deliverable, person, or date range when the client expects a summary. Keep separate lines for different rates, taxable treatment, fixed fees, discounts, or reimbursable expenses.
A United States project invoice does not require a VAT or GST registration number because the United States does not use a national VAT or GST invoice regime. Sellers that make taxable sales may need state-level sales-tax registration, such as a seller's permit where state law requires one.
Sales tax should not be copied across every project invoice as a flat default. State and local rules control the rate and taxability. California generally taxes retail sales of tangible personal property and only some service or labor charges, while Texas defines 16 broad categories of taxable services.
An invoice requests payment for work, products, or services billed to the buyer. A receipt proves that payment was received. An estimate gives a pre-work price expectation, and a quote presents a firmer pre-work price offer. Use the correct label so the client knows whether action or proof is being provided.
Everhour lets admins set billing status at the project level, mark specific tasks as non-billable, set custom task rates, and use member-rate exceptions. Admin reports can show billable time, non-billable time, billable amount, and cost by member or task.
Everhour Billing & Invoicing lets users select uninvoiced time and expenses, preview the breakdown, and generate an invoice from billable project work. Invoice data can be grouped by project, task, person, date, or another available breakdown before export to QuickBooks Online, Xero, or FreshBooks.
Track billable project work before invoice day. Everhour keeps billable status, rates, task exceptions, and reports connected, so client invoices reflect approved project work and accurate billing totals.
14-day free trial · No credit card · Cancel anytime