Everhour turns approved billable time and expenses into invoices, while a final invoice still needs complete client-ready details.
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A final invoice is the payment request you send when the charge is no longer an estimate, quote, deposit request, or progress billing placeholder. It should show the seller, buyer, invoice number, issue date, due date, line items, subtotal, tax line where applicable, total due, payment terms, and remit-to details. For ordinary United States private-sector invoices, there is no prescribed federal form.
The final version matters because it becomes a supporting document for business records. IRS Publication 583 lists invoices among documents that record business transactions and show the amounts and sources of gross receipts. A clean final invoice also gives the client one document to approve, pay, file, and match against the contract, purchase order, work order, or accepted scope.
A quote or estimate sets expectations before the work starts. A receipt proves payment after money is received. A final invoice asks for payment after the billable event is complete. Keep those documents separate so the client can see whether the amount is proposed, due, or already paid. Reusing one file name for all three creates approval and accounting confusion.
A final invoice should also account for prior payments. If a client paid a $500 deposit against a $2,000 project, the final invoice should show the full work value, the deposit already paid, and the remaining $1,500 due. That structure prevents the final invoice from understating revenue or making the client think the deposit was a separate charge.
Use a sequential invoice number, a clear issue date, and a due date tied to the payment terms. Add the seller's legal or trade name, business address, payment instructions, and the buyer's billing name and address. Each line item should identify the work, quantity, unit rate, and extended price. A service line can read, for example, "Design implementation, 18 hours at $95 per hour."
The tax line needs special care in the United States. The United States does not use a national VAT or GST invoice regime, and there is no United States VAT/GST registration number to place on invoices. State and local sales and use tax rules control taxable sales, rates, nexus, and registration. Service taxability also varies by state and service type, so do not apply one flat national tax rule to every final invoice.
A template is enough when you issue one straightforward final invoice, have already confirmed the price, and can manually enter every line without losing billable work. It also works for a simple fixed-fee job with one buyer, one currency, one tax decision, and no need to roll forward uninvoiced time from multiple people or projects.
A managed workflow fits recurring client billing, hourly services, retainers, and project teams. Everhour Billing & Invoicing converts tracked billable time and expenses into invoices, calculates invoice amounts from rates, excludes non-billable tasks, and supports client defaults such as contacts, taxes, discounts, and payment terms. Invoices can be exported to QuickBooks Online, Xero, or FreshBooks, with status details synced back to Everhour.
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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A final invoice should include seller and buyer details, invoice date, invoice number, payment due date, descriptions of goods or services, quantities, rates, line totals, subtotal, tax line where applicable, total due, payment terms, and remit-to details. Add contract, purchase order, or project references when the client uses them for approval.
A final invoice is a request for payment after work is complete or goods are delivered. A receipt confirms that payment has already been received. Send the invoice first when money is still due, then issue or store a receipt after the client pays according to the agreed payment method.
A United States final invoice needs sales tax only when the seller has an obligation to collect it under the applicable state and local rules. The United States has no national VAT or GST invoice regime. Sales tax depends on nexus, product or service taxability, the place of sale, and the state and local rate.
Yes. Show the original contract or work value, list the deposit or prior payment as an amount already paid, and state the remaining balance due. This gives the buyer a complete settlement view and avoids making the final invoice look like a new charge unrelated to earlier billing.
Federal contract invoices have specific proper-invoice fields under FAR 32.905, including contractor details, invoice date and number, contract or order references, descriptions, quantities, unit and extended prices, terms, payee details, contact details, and TIN or EFT data when agency procedures require them. FAR 32.904 generally uses a 30-day payment timing standard for most federal contract invoices.
Everhour Billing & Invoicing lets users select uninvoiced billable time and expenses, preview the breakdown, and generate an invoice from rates, time, and billable expenses while excluding non-billable work. Client records can store contacts, tax rate, discount, and payment terms as invoice defaults.
Everhour can export invoices to QuickBooks Online, Xero, or FreshBooks, where they are copied as drafts and managed in the accounting tool. Everhour keeps invoice status, invoice number, issue date, and amount visible so billing reports stay tied to the original tracked work.
Use a final invoice template for one-off billing, then move recurring client work into Everhour so tracked billable time, expenses, and invoice status stay connected.
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