This is an indicative estimate based on the information entered. Review the assumptions before making a tax or financial decision.
01 / Methodology
Methodology and sources
Validity and privacy
- Privacy
- The calculation runs in your browser.
Main assumptions
- Amounts in euros. The base is rounded per line and VAT is rounded per tax-rate group.
- You choose the VAT and withholding percentages and must check which apply.
- Details stay in this tab and the PDF is created in your browser. Nothing is saved after closing or reloading.
Not included
- Invoice issuance, tax filing, signatures, electronic acceptance, email delivery and saving to an account.
- Reverse charge, equivalence surcharge and other special tax regimes.
Official sources
This tool uses the formulas described in the assumptions and does not depend on an external regulatory source.
02 / FAQ
Frequently asked questions
Can I download without giving my email?
Yes. Complete the quote, check the preview and download the PDF. You do not need to register or provide an email to Numonis.
Is the quote an invoice?
No. The document is labelled as a quote and is not an invoice or tax document. Invoicing is handled separately.
Are customer details saved?
No. Details stay in this tab while you work. Download your PDF before closing or reloading. Sharing the link shares only the tool.
Invoicing
VAT and IRPF
Calculate VAT, IRPF withholding and the total of a professional invoice in seconds. ProfitabilityMargin and target price
Calculate margin, markup and profit, or find the price required to achieve your target margin. Plan your incomeSelf-employed income
Estimate what remains after expenses, Social Security and an income-tax reserve you choose. See how invoice withholding affects available cash.Get help with your business invoicing.
Talk to Numonis about preparing your invoices and keeping your accounts up to date.
