Free tools
Free Irish VAT and invoice calculators
VAT at 23%, 13.5% or 9% added to or taken out of a price, Irish VAT number checks, late payment interest and RCT deductions. The VAT and RCT results open as a ready Irish invoice, free and without sign-up.
Calculators
- VAT calculatorAdd Irish VAT at 23%, 13.5% or 9% to a price or take it out of a VAT-inclusive price, then open it as a ready VAT invoice. Free, no sign-up.
- VAT number checkerCheck an Irish VAT number’s format and Revenue’s mod 23 check letter in your browser, then confirm it on VIES. Nothing you type is sent anywhere.
- Late payment interest calculatorWork out statutory interest at the ECB rate plus 8% and the €40, €70 or €100 compensation on a late Irish business invoice. Free, in your browser.
- RCT calculatorWork out the Relevant Contracts Tax a principal contractor deducts — 0%, 20% or 35% of the whole payment, materials included — and what you’ll be paid.
Frequently asked questions
Are these calculators free?
Yes, all of them, with no sign-up. They run in your browser: nothing you enter is sent to us.
Can I turn a result into an invoice?
Yes. The VAT and RCT calculators have a button that opens our free Irish invoice generator with the amount filled in. Add your VAT number and your customer, and download the PDF.