Working days calculator
When “10 working days from the invoice date” expires and how many working days lie between two dates — with holidays and moved days off.
- Free of charge
- No registration
- No advertising
What to calculate
The period is in
The period is counted from the day after the event date.
Result
Enter the date and the period — the result will appear here.
The calculation runs in your browser: nothing is sent to the server or stored anywhere.
How to use it
Choose what to calculate: a deadline from a date or the number of days between two dates.
Enter the event date — when the invoice was issued, the contract signed or the goods shipped — and the period in days.
Choose the days in which the contract states the period: working or calendar.
The last day of the period and the day of the week will appear on the right.
Frequently asked questions
Used together with this
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Shipment and closing the deal
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See also
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Issue invoices from orders
In Kup2B the buyer places an order in your catalogue at their own price, and an invoice with a QR code is generated from the order — with no manual entry.
Register a companyA template does not replace a lawyer or an accountant. Check the data before sending: whoever drew up the document is responsible for its content. The document takes effect once signed. Rates and forms checked on 02/10/2026.