Free tools
Calculators for your invoicing
Five small tools you can use every week: work out VAT, set a due date, design your invoice numbers and justify your hourly rate. Free, no account and nothing is stored.
VAT calculator
Add VAT to an amount or extract VAT from one, with any rate and in any currency.
Open toolDue date calculator
Find the latest payment date: invoice date plus days, or end of month plus days.
Open toolKOR check
Do you qualify for the Dutch small business scheme? A quick indication based on your turnover.
Open toolInvoice number generator
Build a number format with prefix, year and sequence number and see the next numbers right away.
Open toolHourly rate calculator
Work out the hourly rate you need for your target income, with your costs and non-billable time.
Open tool
Prefer it all automatic?
In FactuurPro VAT, numbering and payment terms are set up properly by default. Create a free account.