VatVolt

All VAT Tools

Free calculators for EU reverse charge VAT and freelancer invoicing — Germany, France, Spain, Portugal, Sweden and the United Kingdom.

Add / Remove VAT Calculator

Add VAT to a net price or strip VAT out of a gross price — any VAT rate, instant results.

Germany Reverse Charge VAT Calculator

Generate a 0% VAT invoice with correct §13b UStG / Art. 196 wording for intra-EU B2B and construction services.

France B2B Reverse Charge VAT Calculator

Check if 0% reverse charge applies, validate the customer VAT number, and generate the correct CGI wording.

Spain Reverse Charge VAT (IVA) Calculator

Decide between charging 21%/10%/4% IVA, reverse charge (inversión del sujeto pasivo), or exempt — with Modelo 303/349 guidance.

Portugal Reverse Charge VAT Calculator

Charge 23%/13%/6% IVA, apply reverse charge (autoliquidação), or invoice exempt — with legal wording and declaration guidance.

Sweden Reverse Charge VAT (Moms) Calculator

Check when omvänd skattskyldighet applies — intra-EU B2B, construction (byggmoms) — and generate a compliant 0%-moms invoice.

Spain Autónomo Invoice Calculator

Calculate IVA and IRPF retención (15% / 7% / 0%) and generate a printable factura with correct legal wording.

Portugal Recibo Verde Invoice Calculator

Calculate IVA (23% / Art. 53 exemption / EU reverse charge) and IRS retenção na fonte (25%) with a printable invoice.

UK VAT Calculator & Invoice

20%/5%/0% VAT rates with an HMRC-compliant VAT invoice generator — VAT registration numbers and legal wording included.