Turkey service invoices need TL totals, VAT treatment, and clear payment timing. Everhour turns approved billable time into invoice-ready records.
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A Turkey billable-hours calculation answers three practical questions: how much approved professional time is chargeable, what pre-tax invoice value that time creates in Turkish lira, and what the client pays if the service is taxable at the standard VAT rate. It also separates billable work from internal time, so admin, training, or write-downs do not inflate the amount due.
The calculation matters before sending a client invoice, checking a project margin, or reviewing a timesheet before month-end billing. Turkey's VAT Law No. 3065 treats supplies and services performed in Turkey within commercial or self-employed professional activity as subject to VAT unless a specific exemption applies, so the tax decision belongs beside the labor calculation.
Start with approved billable hours, the agreed hourly rate, and the service category. Billable rates and invoice amounts for Turkey are denominated in Turkish lira, shown with the ₺ symbol. Turkey does not set a country-wide statutory billing increment for professional time, so 0.1-hour, 15-minute, or hourly rounding comes from the contract, firm policy, or profession-specific practice.
Payment timing also affects the invoice record. For B2B supplies of goods or services, if no valid payment date or period is stated, default normally starts after 30 days from receipt of the invoice or equivalent payment request. Contractual payment periods are generally capped at 60 days, with longer terms allowed only when expressly agreed and not grossly unfair.
For example, a software advisory project in Istanbul includes 18 approved senior consultant hours at ₺3,200 per hour and 12 approved analyst hours at ₺1,850 per hour. The pre-tax labor value is ₺57,600 plus ₺22,200, or ₺79,800. If the service is taxable at Turkey's standard 20% VAT rate, VAT adds ₺15,960 and the invoice total becomes ₺95,760.
If the team spent 40 total hours on the project, the pre-tax effective yield is ₺1,995 per total hour because 10 hours were non-billable. That number is useful for pricing the next engagement. The invoice still shows only approved billable time, the agreed rates, applicable VAT, and the payment due date or payment period.
A one-off calculator is enough when you have approved hours, agreed TL rates, a clear VAT category, and a single invoice to check before sending. It is also enough for quoting a small project, testing whether a write-down still leaves the job profitable, or confirming the client-facing amount before a bookkeeper prepares the official invoice.
A managed workflow is better when several people enter time, tasks move between billable and non-billable status, expenses need to join the invoice, or invoice status must stay visible after export. Everhour Billing & Invoicing converts tracked billable time and expenses into invoices, excludes non-billable work, applies rates, and exports invoices to QuickBooks Online, Xero, or FreshBooks.
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 each approved billable-hour category by its agreed TL hourly rate, then add the line totals. Keep non-billable time out of the invoice amount, even when it belongs in an internal project report. If the service is taxable and no reduced-rate or exemption category applies, apply Turkey's standard 20% VAT to the taxable pre-tax amount.
Turkey-level VAT and commercial-payment rules do not set a national 0.1-hour, 6-minute, or 15-minute billing increment for professional time. The rounding unit comes from the client contract, firm policy, or profession-specific practice. State the increment before work starts so the client can verify how raw time becomes invoiceable time.
Turkey's standard 20% VAT rate applies to taxable supplies and services that are not listed under reduced-rate categories or covered by a specific exemption. Turkey also retains reduced rates of 1% and 10% for listed goods and services. For professional time, confirm the service category before adding VAT to the invoice.
Use the contractual payment term when it is valid. If no valid payment date or period is stated, the debtor is normally in default without notice after 30 days from receipt of the invoice or equivalent payment request. Contractual payment periods are generally capped at 60 days, with limited exceptions for expressly agreed terms that are not grossly unfair.
When the Turkish Commercial Code Article 1530 late-payment interest rate is absent or invalid, the Central Bank rate effective January 1, 2026 is 43.00%, with a minimum recoverable collection-cost amount of TL 2,020. Put payment terms on the invoice so the due date and default point are clear.
Everhour Billing & Invoicing converts tracked billable time and expenses into client invoices, calculates amounts from project or member rates, and excludes non-billable work. Invoices can be exported to QuickBooks Online, Xero, or FreshBooks, with invoice status, number, issue date, and amount visible back in Everhour.
Everhour separates internal cost rates from client-facing billable rates, with default per-person rates and per-project overrides. Rate changes can be dated, so older reports keep their original calculations while new Turkey service work uses the current agreed rate.
Convert approved billable hours, rates, and expenses into invoice-ready records. Everhour keeps non-billable work out of client totals and preserves invoice status for cleaner billing.
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